<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:dddce176-0856-4098-8d33-4f0823051f46,g:84746264-95d2-4cc0-a176-d10df7320780-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.scotts.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="smg-20240930.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_5757f023-77df-4ccc-915f-1e236eb243bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b8bbc100-2f99-454a-9c5c-aa103206b2fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5757f023-77df-4ccc-915f-1e236eb243bd" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b8bbc100-2f99-454a-9c5c-aa103206b2fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_c207eadb-2f1e-4cf7-ac33-15f1fa20f18c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5757f023-77df-4ccc-915f-1e236eb243bd" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_c207eadb-2f1e-4cf7-ac33-15f1fa20f18c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_1dc01c73-cf57-43bb-ac05-fb1ae4ead6bf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5757f023-77df-4ccc-915f-1e236eb243bd" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_1dc01c73-cf57-43bb-ac05-fb1ae4ead6bf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_60764e80-f696-46f8-bc1e-2347f749e2b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5757f023-77df-4ccc-915f-1e236eb243bd" xlink:to="loc_us-gaap_GrossProfit_60764e80-f696-46f8-bc1e-2347f749e2b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_530bfc58-a114-419f-9727-a44ae830e7e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_c7d1262e-6790-4335-a30b-3c0cbe0608f3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_530bfc58-a114-419f-9727-a44ae830e7e5" xlink:to="loc_us-gaap_InterestExpense_c7d1262e-6790-4335-a30b-3c0cbe0608f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_49af1a60-a3ce-41f4-8416-8b0e7cc60d74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_530bfc58-a114-419f-9727-a44ae830e7e5" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_49af1a60-a3ce-41f4-8416-8b0e7cc60d74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_4b4237d4-2b1a-4d2a-82d0-f2401021ed68" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_530bfc58-a114-419f-9727-a44ae830e7e5" xlink:to="loc_us-gaap_OperatingIncomeLoss_4b4237d4-2b1a-4d2a-82d0-f2401021ed68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_829f1406-f27a-41a5-9a2c-0d8731a1502e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_530bfc58-a114-419f-9727-a44ae830e7e5" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_829f1406-f27a-41a5-9a2c-0d8731a1502e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_dcf963d0-b6fa-4f70-a345-107271a7855d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_792aa20d-676b-4a0d-b4d5-d675183675c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_dcf963d0-b6fa-4f70-a345-107271a7855d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_792aa20d-676b-4a0d-b4d5-d675183675c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_ae1a80c2-952e-4ff5-b3cf-fb356057b1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_dcf963d0-b6fa-4f70-a345-107271a7855d" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_ae1a80c2-952e-4ff5-b3cf-fb356057b1e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_4fa7da6c-868c-4cc6-a812-6787c425f70b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d2a07b7c-7525-4394-ab63-2d99a927e131" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4fa7da6c-868c-4cc6-a812-6787c425f70b" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d2a07b7c-7525-4394-ab63-2d99a927e131" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_c85dab7b-19c7-4280-aa57-a92cae36ae27" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4fa7da6c-868c-4cc6-a812-6787c425f70b" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_c85dab7b-19c7-4280-aa57-a92cae36ae27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_CostOfSalesImpairmentRestructuringAndOtherCharges_b7ae3aa0-cb51-4e9c-85d2-063469225e87" xlink:href="smg-20240930.xsd#smg_CostOfSalesImpairmentRestructuringAndOtherCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4fa7da6c-868c-4cc6-a812-6787c425f70b" xlink:to="loc_smg_CostOfSalesImpairmentRestructuringAndOtherCharges_b7ae3aa0-cb51-4e9c-85d2-063469225e87" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" xlink:type="simple" xlink:href="smg-20240930.xsd#ConsolidatedStatementsofComprehensiveIncomeLoss"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9a5b8b9b-fb81-40b6-bb72-fd305fb12220" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a156a407-da6e-4fff-bca1-f34f053b97ae" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9a5b8b9b-fb81-40b6-bb72-fd305fb12220" xlink:to="loc_us-gaap_NetIncomeLoss_a156a407-da6e-4fff-bca1-f34f053b97ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ead55e94-14b7-4bd0-8630-eeb833fbc333" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_9a5b8b9b-fb81-40b6-bb72-fd305fb12220" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_ead55e94-14b7-4bd0-8630-eeb833fbc333" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_943eed8d-4020-4125-b311-91a54353b05d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_943eed8d-4020-4125-b311-91a54353b05d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_b2dafba2-5489-486d-abf4-c9fa85cc763a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_b2dafba2-5489-486d-abf4-c9fa85cc763a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_1b81aca4-8be7-4003-95f7-f6391b2187fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_1b81aca4-8be7-4003-95f7-f6391b2187fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_6efbd717-6258-4d79-acbd-8429db2c6404" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_6efbd717-6258-4d79-acbd-8429db2c6404" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_OtherComprehensiveIncomeLossDebtSecuritiesAvailableForSaleUnrealizedGainLossReclassifiedAfterTax_beb031de-48d6-4dc2-9bce-381870b1b995" xlink:href="smg-20240930.xsd#smg_OtherComprehensiveIncomeLossDebtSecuritiesAvailableForSaleUnrealizedGainLossReclassifiedAfterTax"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_smg_OtherComprehensiveIncomeLossDebtSecuritiesAvailableForSaleUnrealizedGainLossReclassifiedAfterTax_beb031de-48d6-4dc2-9bce-381870b1b995" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_3988bc4d-8c3b-4bda-bd9e-26befc2bef45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_3988bc4d-8c3b-4bda-bd9e-26befc2bef45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_6e79c017-2447-4a5d-836d-0ccd5e95f35c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_49bd03c6-144f-4114-9e68-415510a47c8a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_6e79c017-2447-4a5d-836d-0ccd5e95f35c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="smg-20240930.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_b12ef7c0-46dc-4396-ba7b-27a4cdd0dc55" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_b12ef7c0-46dc-4396-ba7b-27a4cdd0dc55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_230d72ef-c3b1-45fd-8468-61a6682f11aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_230d72ef-c3b1-45fd-8468-61a6682f11aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfLoansReceivable_23aa6acf-c305-4c6d-94f6-9f6e991e990f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromCollectionOfLoansReceivable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_ProceedsFromCollectionOfLoansReceivable_23aa6acf-c305-4c6d-94f6-9f6e991e990f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6c7d96c0-6dfe-4f24-8d2d-03e2a3ca350e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_6c7d96c0-6dfe-4f24-8d2d-03e2a3ca350e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_c89c0ccc-0a63-4f99-8678-17d01d2d8af9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_c89c0ccc-0a63-4f99-8678-17d01d2d8af9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_dbc47eb2-642b-4216-9f26-032f33ef8c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_dbc47eb2-642b-4216-9f26-032f33ef8c8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_1200b96c-d77a-4ace-9b4d-fc507c8bd7d2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_acb5ef50-5888-4114-aa7e-62c7909a435d" xlink:to="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_1200b96c-d77a-4ace-9b4d-fc507c8bd7d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3e0f67d7-06f1-4e78-8b89-d27210b57db8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_NetIncomeLoss_3e0f67d7-06f1-4e78-8b89-d27210b57db8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_eaf8e5e2-f656-4b99-b89b-2a0df44ad0d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCostsAndAssetImpairmentCharges"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_RestructuringCostsAndAssetImpairmentCharges_eaf8e5e2-f656-4b99-b89b-2a0df44ad0d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_a2a0e1e7-7dde-4d9d-94dc-769d9df52aa2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_ShareBasedCompensation_a2a0e1e7-7dde-4d9d-94dc-769d9df52aa2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_9115dbc9-f160-47a4-9364-952afc032db6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_Depreciation_9115dbc9-f160-47a4-9364-952afc032db6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentForAmortization_62373f06-f0a1-4a03-95eb-143bb20f0b1b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentForAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_AdjustmentForAmortization_62373f06-f0a1-4a03-95eb-143bb20f0b1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_06f2ed56-aef6-41fa-bde9-0a7c56b917bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_06f2ed56-aef6-41fa-bde9-0a7c56b917bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_5b270f41-2bee-41fa-b5d0-ce0bf21383f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_5b270f41-2bee-41fa-b5d0-ce0bf21383f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f26836c3-5007-4e30-82e2-11d82c65e4bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f26836c3-5007-4e30-82e2-11d82c65e4bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_4f769721-54ad-45f6-b27c-702bb49c2d43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_4f769721-54ad-45f6-b27c-702bb49c2d43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8c0e0236-3024-48ca-89ba-9ef522f1eb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_8c0e0236-3024-48ca-89ba-9ef522f1eb7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_5d852398-2f87-49a4-984a-41d95676c53c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_5d852398-2f87-49a4-984a-41d95676c53c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_0e54d89f-17a1-40b6-8082-60a18d215e65" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_0e54d89f-17a1-40b6-8082-60a18d215e65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet_e52841fa-eb5c-451e-9296-e4e1d72634aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet_e52841fa-eb5c-451e-9296-e4e1d72634aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_IncreaseDecreaseInOtherNet_4a55fe9b-e75c-49f4-898a-d8e6e6b18763" xlink:href="smg-20240930.xsd#smg_IncreaseDecreaseInOtherNet"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_061fd027-e6da-434c-bef7-70a5c4c8ca5f" xlink:to="loc_smg_IncreaseDecreaseInOtherNet_4a55fe9b-e75c-49f4-898a-d8e6e6b18763" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_48d75c13-88b2-4869-8491-a70e34195539" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_48d75c13-88b2-4869-8491-a70e34195539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_b4877c1e-8558-4422-91d6-59b41343b820" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_b4877c1e-8558-4422-91d6-59b41343b820" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_2cff95a2-93a8-4b46-a5d9-83f7911e26d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_2cff95a2-93a8-4b46-a5d9-83f7911e26d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_665d696c-d136-4643-bc67-e99703ba7e89" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_665d696c-d136-4643-bc67-e99703ba7e89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_19c0fc52-c29e-472c-b85c-2eae6559f526" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_19c0fc52-c29e-472c-b85c-2eae6559f526" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_6121d669-b9d0-4bcc-80b1-b7670b075552" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_6121d669-b9d0-4bcc-80b1-b7670b075552" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_73cfeb8c-d575-4eaa-8670-8670ca49c1ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_174afaca-7a14-4042-befa-d6913a678a2c" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_73cfeb8c-d575-4eaa-8670-8670ca49c1ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8bf99e57-ce69-4045-bb20-7e97ad89eac2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0b2e2030-576f-46e8-88af-354251173d60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8bf99e57-ce69-4045-bb20-7e97ad89eac2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0b2e2030-576f-46e8-88af-354251173d60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7bb78e8a-c146-4cea-98e5-4aeb0a9a2d94" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8bf99e57-ce69-4045-bb20-7e97ad89eac2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7bb78e8a-c146-4cea-98e5-4aeb0a9a2d94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5f0423bc-cecd-4154-b3b8-88f9d00d04d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8bf99e57-ce69-4045-bb20-7e97ad89eac2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5f0423bc-cecd-4154-b3b8-88f9d00d04d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1abf730-75fc-4de6-a2ef-9eb70d67f3c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_8bf99e57-ce69-4045-bb20-7e97ad89eac2" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1abf730-75fc-4de6-a2ef-9eb70d67f3c7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="smg-20240930.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_6fd20f8b-ae0a-46f3-ac55-7959ae2019ef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_354c4204-9111-4e7f-b5eb-1a60bedfb310" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6fd20f8b-ae0a-46f3-ac55-7959ae2019ef" xlink:to="loc_us-gaap_LiabilitiesCurrent_354c4204-9111-4e7f-b5eb-1a60bedfb310" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_e8fac378-cf69-4294-b4d8-cff46d7489d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6fd20f8b-ae0a-46f3-ac55-7959ae2019ef" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_e8fac378-cf69-4294-b4d8-cff46d7489d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_0399b1da-26fb-4e89-8f67-c639bf81bcbe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6fd20f8b-ae0a-46f3-ac55-7959ae2019ef" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_0399b1da-26fb-4e89-8f67-c639bf81bcbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_6228f388-96df-43be-9acc-884707db7476" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5a52c7a-71ac-46fa-b674-fae5685ef247" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_6228f388-96df-43be-9acc-884707db7476" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_e5a52c7a-71ac-46fa-b674-fae5685ef247" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_1b3802c2-2299-4f72-89e5-379730de2b08" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_6228f388-96df-43be-9acc-884707db7476" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_1b3802c2-2299-4f72-89e5-379730de2b08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_28d922c2-e767-421e-b45a-30c128f25b01" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_6228f388-96df-43be-9acc-884707db7476" xlink:to="loc_us-gaap_InventoryNet_28d922c2-e767-421e-b45a-30c128f25b01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_14dd0471-eb7b-4700-84c8-ffabeaa2298f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_6228f388-96df-43be-9acc-884707db7476" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_14dd0471-eb7b-4700-84c8-ffabeaa2298f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_e63e0fa1-f312-4b9b-95a4-cb2a79a54f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_5dcddcd7-334f-45d8-849d-edc8aead91d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e63e0fa1-f312-4b9b-95a4-cb2a79a54f4a" xlink:to="loc_us-gaap_Liabilities_5dcddcd7-334f-45d8-849d-edc8aead91d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_03dd2ea9-12b6-46fe-b119-d1fdc4e5d079" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e63e0fa1-f312-4b9b-95a4-cb2a79a54f4a" xlink:to="loc_us-gaap_CommitmentsAndContingencies_03dd2ea9-12b6-46fe-b119-d1fdc4e5d079" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_544179a7-e608-4c1a-8035-f5a2bb87cf42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_e63e0fa1-f312-4b9b-95a4-cb2a79a54f4a" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_544179a7-e608-4c1a-8035-f5a2bb87cf42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85d071af-6ac9-47a4-a128-72bed3f769c1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_9864d7e7-4ad3-4dfb-9db7-1e4851212282" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85d071af-6ac9-47a4-a128-72bed3f769c1" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_9864d7e7-4ad3-4dfb-9db7-1e4851212282" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1bca3705-73b2-4087-9d00-81a7514b8b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85d071af-6ac9-47a4-a128-72bed3f769c1" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1bca3705-73b2-4087-9d00-81a7514b8b1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_c7bc9f53-4f6b-4a60-b02e-a349c56437b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85d071af-6ac9-47a4-a128-72bed3f769c1" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_c7bc9f53-4f6b-4a60-b02e-a349c56437b1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_3ba59984-9f70-4b90-aadb-7d35ceff7da9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85d071af-6ac9-47a4-a128-72bed3f769c1" xlink:to="loc_us-gaap_TreasuryStockValue_3ba59984-9f70-4b90-aadb-7d35ceff7da9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_3d432cbd-58c2-416f-bd19-ed6557f786c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_EquityMethodInvestments_3d432cbd-58c2-416f-bd19-ed6557f786c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_90b18ea1-b409-4a2a-90a1-85a0496027fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_Goodwill_90b18ea1-b409-4a2a-90a1-85a0496027fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_d059c503-d46e-4156-8e44-0193acbfedc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_d059c503-d46e-4156-8e44-0193acbfedc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_d85d3680-80ad-4be3-bb74-ba5c10e42e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_d85d3680-80ad-4be3-bb74-ba5c10e42e0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_b273748f-5df5-49ce-8e5f-e696c41c15be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_AssetsCurrent_b273748f-5df5-49ce-8e5f-e696c41c15be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9eada454-f93e-43f1-add6-b355ef8eb1df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_d77d3986-32bc-4e66-86a6-d9e9d43b7db1" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9eada454-f93e-43f1-add6-b355ef8eb1df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_81c0999f-58f5-42d9-9ee0-a3623dce6d2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_a7ae08cf-90c6-4268-8c0a-44a592c2a602" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_81c0999f-58f5-42d9-9ee0-a3623dce6d2c" xlink:to="loc_us-gaap_LongTermDebtCurrent_a7ae08cf-90c6-4268-8c0a-44a592c2a602" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_16305c6a-0090-43e4-b383-4669828d600c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_81c0999f-58f5-42d9-9ee0-a3623dce6d2c" xlink:to="loc_us-gaap_AccountsPayableCurrent_16305c6a-0090-43e4-b383-4669828d600c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_29541f80-a884-4e63-87d7-51d946eb0e8a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_81c0999f-58f5-42d9-9ee0-a3623dce6d2c" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_29541f80-a884-4e63-87d7-51d946eb0e8a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/IMPAIRMENTRESTRUCTURINGANDOTHERScheduleofImpairmentRestructuringandOtherChargesDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#IMPAIRMENTRESTRUCTURINGANDOTHERScheduleofImpairmentRestructuringandOtherChargesDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/IMPAIRMENTRESTRUCTURINGANDOTHERScheduleofImpairmentRestructuringandOtherChargesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:href="smg-20240930.xsd#smg_TotalImpairmentRestructuringAndOtherCharges"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_9e3436d8-c999-4b9c-9806-2e07b606bc08" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_9e3436d8-c999-4b9c-9806-2e07b606bc08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_b28be3db-e5a8-49d2-8ce1-35b3757b139b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:to="loc_us-gaap_RestructuringCharges_b28be3db-e5a8-49d2-8ce1-35b3757b139b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_1c18fe53-2feb-48bd-a406-bd80ac13e325" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_1c18fe53-2feb-48bd-a406-bd80ac13e325" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale_0ab50af8-d0c2-49dc-9641-ef7a0b5014cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale_0ab50af8-d0c2-49dc-9641-ef7a0b5014cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4e73092b-039e-41ee-a4fb-3bcdc733c74e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_TotalImpairmentRestructuringAndOtherCharges_c2c7ee6b-4c5f-42ed-9aaf-42bcbcc42ee8" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_4e73092b-039e-41ee-a4fb-3bcdc733c74e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/GOODWILLANDINTANGIBLEASSETSNETRollforwardofCarryingAmountofGoodwillbyReportableSegmentDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#GOODWILLANDINTANGIBLEASSETSNETRollforwardofCarryingAmountofGoodwillbyReportableSegmentDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/GOODWILLANDINTANGIBLEASSETSNETRollforwardofCarryingAmountofGoodwillbyReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_1e0d0e06-a9a9-44de-9df0-07784ff7b174" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_6c1290a4-d17f-45ec-8bb9-589c5bd08c39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_1e0d0e06-a9a9-44de-9df0-07784ff7b174" xlink:to="loc_us-gaap_GoodwillGross_6c1290a4-d17f-45ec-8bb9-589c5bd08c39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_3f10fa5f-512a-49b5-bb8d-184c483f7e08" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_1e0d0e06-a9a9-44de-9df0-07784ff7b174" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_3f10fa5f-512a-49b5-bb8d-184c483f7e08" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/GOODWILLANDINTANGIBLEASSETSNETScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#GOODWILLANDINTANGIBLEASSETSNETScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/GOODWILLANDINTANGIBLEASSETSNETScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ba9df750-92f7-4dc6-a307-5eefdd151b2c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0de6c1df-e16b-4c40-bb02-fbdb705fc5de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ba9df750-92f7-4dc6-a307-5eefdd151b2c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0de6c1df-e16b-4c40-bb02-fbdb705fc5de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_96840dd1-d4f3-47c2-9af5-c664daa1a30d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_ba9df750-92f7-4dc6-a307-5eefdd151b2c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_96840dd1-d4f3-47c2-9af5-c664daa1a30d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_09bf7697-4fbb-4e59-8839-c1e9305bc324" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5598dbaf-32b0-4332-8d40-84c314678aca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_09bf7697-4fbb-4e59-8839-c1e9305bc324" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_5598dbaf-32b0-4332-8d40-84c314678aca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_25f198ae-3cb6-4390-a106-58911731776a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_09bf7697-4fbb-4e59-8839-c1e9305bc324" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_25f198ae-3cb6-4390-a106-58911731776a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/DETAILOFCERTAINFINANCIALSTATEMENTACCOUNTSSummaryofBalanceSheetAccountsDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#DETAILOFCERTAINFINANCIALSTATEMENTACCOUNTSSummaryofBalanceSheetAccountsDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/DETAILOFCERTAINFINANCIALSTATEMENTACCOUNTSSummaryofBalanceSheetAccountsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e1eeeb2c-6008-4bcf-8cb2-8420562c1cc0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_8617e7c4-ba8e-4bc4-9db6-dff4fa632cde" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e1eeeb2c-6008-4bcf-8cb2-8420562c1cc0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_8617e7c4-ba8e-4bc4-9db6-dff4fa632cde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_1cc2e7ec-b3e5-4bd9-8874-e1fb809fcb00" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e1eeeb2c-6008-4bcf-8cb2-8420562c1cc0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_1cc2e7ec-b3e5-4bd9-8874-e1fb809fcb00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_ConvertibleDebtInvestments_086f90ca-eb0f-45bc-bccb-076dc04ab5ac" xlink:href="smg-20240930.xsd#smg_ConvertibleDebtInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:to="loc_smg_ConvertibleDebtInvestments_086f90ca-eb0f-45bc-bccb-076dc04ab5ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_aebf0efe-902b-4c0f-9e46-b87b8ef9cfe7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_aebf0efe-902b-4c0f-9e46-b87b8ef9cfe7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_d0d1157b-ac34-4733-8575-7886468ab20e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_d0d1157b-ac34-4733-8575-7886468ab20e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneous_b2136004-035a-4aba-ac43-19e12afe3d17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsMiscellaneous"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:to="loc_us-gaap_OtherAssetsMiscellaneous_b2136004-035a-4aba-ac43-19e12afe3d17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_c97a81ab-99dc-47b2-8c19-75b8be74b590" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_bf202dae-a881-4f3c-ae99-4cc972bb62f8" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_c97a81ab-99dc-47b2-8c19-75b8be74b590" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_f396f649-a47b-4fdb-a727-5be70e5273db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_1907b983-4c52-49ca-a2f3-1ca8cb44e893" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_f396f649-a47b-4fdb-a727-5be70e5273db" xlink:to="loc_us-gaap_InventoryFinishedGoods_1907b983-4c52-49ca-a2f3-1ca8cb44e893" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_a819b2c8-dc3d-4e0d-bb91-0a776d705e78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_f396f649-a47b-4fdb-a727-5be70e5273db" xlink:to="loc_us-gaap_InventoryWorkInProcess_a819b2c8-dc3d-4e0d-bb91-0a776d705e78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_023c3961-ef01-4910-8670-e31e4b21641f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_f396f649-a47b-4fdb-a727-5be70e5273db" xlink:to="loc_us-gaap_InventoryRawMaterials_023c3961-ef01-4910-8670-e31e4b21641f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f5cb1fba-00d1-4672-a0cb-0ff6bea111c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_1a8916ce-1570-4ea7-a006-abf244265fe8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f5cb1fba-00d1-4672-a0cb-0ff6bea111c8" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_1a8916ce-1570-4ea7-a006-abf244265fe8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d1034c2a-9366-4126-8972-2a92f7078ed7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f5cb1fba-00d1-4672-a0cb-0ff6bea111c8" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d1034c2a-9366-4126-8972-2a92f7078ed7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_049061be-dd6d-4fe5-b387-22cca63862d1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f5cb1fba-00d1-4672-a0cb-0ff6bea111c8" xlink:to="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_049061be-dd6d-4fe5-b387-22cca63862d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9ec42cc5-6564-4ce3-860c-a38de22d9f7b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_f5cb1fba-00d1-4672-a0cb-0ff6bea111c8" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_9ec42cc5-6564-4ce3-860c-a38de22d9f7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilitiesCurrent_56992e4b-747f-4290-8abe-d7725039b5c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherSundryLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_us-gaap_OtherSundryLiabilitiesCurrent_56992e4b-747f-4290-8abe-d7725039b5c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_efb5fec2-14af-470f-be26-3b8be277318b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_efb5fec2-14af-470f-be26-3b8be277318b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_AdvertisingAndPromotionalAccruals_d08761a5-5fa5-4cb3-b0fa-604db7afbbef" xlink:href="smg-20240930.xsd#smg_AdvertisingAndPromotionalAccruals"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_smg_AdvertisingAndPromotionalAccruals_d08761a5-5fa5-4cb3-b0fa-604db7afbbef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_AccruedInterest_0da06e95-b078-4c7f-a30f-4f957f5799a4" xlink:href="smg-20240930.xsd#smg_AccruedInterest"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_smg_AccruedInterest_0da06e95-b078-4c7f-a30f-4f957f5799a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_023f01a0-7bf4-4655-aee2-7632a6627816" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_023f01a0-7bf4-4655-aee2-7632a6627816" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_fc8f765c-244d-4f0e-8902-b80702995bad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_3849d204-987e-4c22-a4ef-7575caec66ad" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_fc8f765c-244d-4f0e-8902-b80702995bad" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/MARKETINGAGREEMENTNetCommissionEarnedUndertheMarketingAgreementDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#MARKETINGAGREEMENTNetCommissionEarnedUndertheMarketingAgreementDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/MARKETINGAGREEMENTNetCommissionEarnedUndertheMarketingAgreementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_smg_NetSalesWithAgencyAgreement_2757d75d-ff7a-4fef-9c56-fcbd9f5891a2" xlink:href="smg-20240930.xsd#smg_NetSalesWithAgencyAgreement"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_CommissionIncomeExpenseNet_8ba0d55b-e217-4645-a2a5-c55658226b69" xlink:href="smg-20240930.xsd#smg_CommissionIncomeExpenseNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_NetSalesWithAgencyAgreement_2757d75d-ff7a-4fef-9c56-fcbd9f5891a2" xlink:to="loc_smg_CommissionIncomeExpenseNet_8ba0d55b-e217-4645-a2a5-c55658226b69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_RevenuesReimbursementMarketingAgreement_6030dfa5-0c5e-4652-bc40-eb16b26ec4d6" xlink:href="smg-20240930.xsd#smg_RevenuesReimbursementMarketingAgreement"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_NetSalesWithAgencyAgreement_2757d75d-ff7a-4fef-9c56-fcbd9f5891a2" xlink:to="loc_smg_RevenuesReimbursementMarketingAgreement_6030dfa5-0c5e-4652-bc40-eb16b26ec4d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_CommissionIncomeExpenseNet_fe622773-af89-4098-a376-c4d68ea2006a" xlink:href="smg-20240930.xsd#smg_CommissionIncomeExpenseNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_0022f64e-ebaa-4fa7-a4fd-ede95a225ea3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_CommissionIncomeExpenseNet_fe622773-af89-4098-a376-c4d68ea2006a" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_0022f64e-ebaa-4fa7-a4fd-ede95a225ea3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_CommissionIncomeExpenseGross_5c4b109a-f112-47b9-9185-b15e7c510c19" xlink:href="smg-20240930.xsd#smg_CommissionIncomeExpenseGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_CommissionIncomeExpenseNet_fe622773-af89-4098-a376-c4d68ea2006a" xlink:to="loc_smg_CommissionIncomeExpenseGross_5c4b109a-f112-47b9-9185-b15e7c510c19" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/RETIREMENTPLANSBenefitObligationsPlanAssetsAnnualExpenseAssumptionsandOtherInformationoftheCompanysDefinedBenefitPensionPlansDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#RETIREMENTPLANSBenefitObligationsPlanAssetsAnnualExpenseAssumptionsandOtherInformationoftheCompanysDefinedBenefitPensionPlansDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/RETIREMENTPLANSBenefitObligationsPlanAssetsAnnualExpenseAssumptionsandOtherInformationoftheCompanysDefinedBenefitPensionPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_c3e9a565-2d94-4ddf-a87c-e389ebefa05c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_5dc6b56b-00f1-48f4-a5aa-a8284b90c722" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_c3e9a565-2d94-4ddf-a87c-e389ebefa05c" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_5dc6b56b-00f1-48f4-a5aa-a8284b90c722" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_4403f9b1-f34e-4905-9435-1e32f65a14ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_c3e9a565-2d94-4ddf-a87c-e389ebefa05c" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_4403f9b1-f34e-4905-9435-1e32f65a14ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_43387282-8746-42f0-8177-00a66bfeccf3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_b9828dac-0f93-4aa2-84ec-a3f907ac59f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_43387282-8746-42f0-8177-00a66bfeccf3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_b9828dac-0f93-4aa2-84ec-a3f907ac59f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_d04ff1be-cd20-4670-8388-07f3d1b01f73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_43387282-8746-42f0-8177-00a66bfeccf3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_d04ff1be-cd20-4670-8388-07f3d1b01f73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_OtherComprehensiveIncomeDefinedBenefitPlanCurrencyTranslationBeforeTax_5c39158d-d978-47aa-b15e-1edb5d180e0d" xlink:href="smg-20240930.xsd#smg_OtherComprehensiveIncomeDefinedBenefitPlanCurrencyTranslationBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_43387282-8746-42f0-8177-00a66bfeccf3" xlink:to="loc_smg_OtherComprehensiveIncomeDefinedBenefitPlanCurrencyTranslationBeforeTax_5c39158d-d978-47aa-b15e-1edb5d180e0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_df22684f-940e-4c2a-a877-f0d2625fee04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_5a00d726-64c6-4ee7-837d-e88bc30ea39a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_df22684f-940e-4c2a-a877-f0d2625fee04" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_5a00d726-64c6-4ee7-837d-e88bc30ea39a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_a307c7af-84aa-44cf-ab55-10402429fbfe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_df22684f-940e-4c2a-a877-f0d2625fee04" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_a307c7af-84aa-44cf-ab55-10402429fbfe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_8536575f-1917-4f9d-8168-6cb5151b0165" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet_df22684f-940e-4c2a-a877-f0d2625fee04" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_8536575f-1917-4f9d-8168-6cb5151b0165" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a4868559-21fa-4d6f-982f-c37a86c01d53" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_ab1e50a7-c401-46a0-bc7f-7f78d307594c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a4868559-21fa-4d6f-982f-c37a86c01d53" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_ab1e50a7-c401-46a0-bc7f-7f78d307594c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2b6000e4-282c-4dd1-891b-1abb418245e7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_a4868559-21fa-4d6f-982f-c37a86c01d53" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2b6000e4-282c-4dd1-891b-1abb418245e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedAmortizationNextFiscalYear_3fdd5e8b-b028-4809-b2ff-dfdd6ece6901" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanExpectedAmortizationNextFiscalYear"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/RETIREMENTPLANSComponentsofNetPeriodicBenefitCostandWeightedAverageAssumptionsDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#RETIREMENTPLANSComponentsofNetPeriodicBenefitCostandWeightedAverageAssumptionsDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/RETIREMENTPLANSComponentsofNetPeriodicBenefitCostandWeightedAverageAssumptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_smg_NetPeriodicBenefitCost_57a386df-b74a-4f62-bc8d-303421d139e4" xlink:href="smg-20240930.xsd#smg_NetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_75fb802a-eb30-494c-ad67-1e4e5c9ffc80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_NetPeriodicBenefitCost_57a386df-b74a-4f62-bc8d-303421d139e4" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_75fb802a-eb30-494c-ad67-1e4e5c9ffc80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_64ae4e8a-6293-453c-af73-ddb7cc80e204" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_NetPeriodicBenefitCost_57a386df-b74a-4f62-bc8d-303421d139e4" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_64ae4e8a-6293-453c-af73-ddb7cc80e204" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_fb7d94dd-b204-4186-95bf-3c2fd610a3b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_NetPeriodicBenefitCost_57a386df-b74a-4f62-bc8d-303421d139e4" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_fb7d94dd-b204-4186-95bf-3c2fd610a3b5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/ASSOCIATEMEDICALBENEFITSRetireeMedicalPlanforDomesticAssociatesDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#ASSOCIATEMEDICALBENEFITSRetireeMedicalPlanforDomesticAssociatesDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/ASSOCIATEMEDICALBENEFITSRetireeMedicalPlanforDomesticAssociatesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_efd446f5-e064-4e1c-8f8c-72f42ef0f3e9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_f96c4a06-bcb2-4607-9549-d4c3a7c539d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_efd446f5-e064-4e1c-8f8c-72f42ef0f3e9" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_f96c4a06-bcb2-4607-9549-d4c3a7c539d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_d415eb3d-d8e0-4d1f-84b3-a980c0455211" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_efd446f5-e064-4e1c-8f8c-72f42ef0f3e9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_d415eb3d-d8e0-4d1f-84b3-a980c0455211" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_9819ba88-7d89-40f0-8a7e-169f7f14e206" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_84db75bb-bdd4-431e-aa9d-eb5d1c17f0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_9819ba88-7d89-40f0-8a7e-169f7f14e206" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_84db75bb-bdd4-431e-aa9d-eb5d1c17f0fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e5f37cfb-cabd-47bb-8268-b384a3341948" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_9819ba88-7d89-40f0-8a7e-169f7f14e206" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e5f37cfb-cabd-47bb-8268-b384a3341948" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/DEBTCompanysDebtMaturinginNextFiscalYearsDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#DEBTCompanysDebtMaturinginNextFiscalYearsDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/DEBTCompanysDebtMaturinginNextFiscalYearsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_269fc6b3-8a37-4403-88c9-ab4df1b04a78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths_269fc6b3-8a37-4403-88c9-ab4df1b04a78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_e876582d-68d5-4db4-8b9a-e28cc9f46a77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo_e876582d-68d5-4db4-8b9a-e28cc9f46a77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_dad2aa41-2c02-4ca1-af7a-174eb8676344" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree_dad2aa41-2c02-4ca1-af7a-174eb8676344" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_968c163b-3ed6-4c81-b026-083fbf5ca592" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour_968c163b-3ed6-4c81-b026-083fbf5ca592" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_bd7c5f63-04f3-482d-ad88-3e35a5d40901" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive_bd7c5f63-04f3-482d-ad88-3e35a5d40901" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearSix_197a3a39-cab0-426a-a7f8-eb4c81ad8dc9" xlink:href="smg-20240930.xsd#smg_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearSix"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_feda378c-5d8e-49cb-91b3-5bd9e1b58e70" xlink:to="loc_smg_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearSix_197a3a39-cab0-426a-a7f8-eb4c81ad8dc9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/EQUITYAccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#EQUITYAccumulatedOtherComprehensiveLossDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/EQUITYAccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2f8f2366-c854-4a0a-8aaf-8f929dd9dd03" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_2cf1a3cb-78c5-43cf-8a60-75c7e8c2a519" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2f8f2366-c854-4a0a-8aaf-8f929dd9dd03" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_2cf1a3cb-78c5-43cf-8a60-75c7e8c2a519" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_161d2d12-234f-4caa-88d2-2f6dae9b75c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2f8f2366-c854-4a0a-8aaf-8f929dd9dd03" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_161d2d12-234f-4caa-88d2-2f6dae9b75c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_935af79d-728c-4230-bd29-d60eab3c11e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_2f8f2366-c854-4a0a-8aaf-8f929dd9dd03" xlink:to="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_935af79d-728c-4230-bd29-d60eab3c11e0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/EARNINGSPERCOMMONSHAREScheduleofEarningsPerShareDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#EARNINGSPERCOMMONSHAREScheduleofEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/EARNINGSPERCOMMONSHAREScheduleofEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_bc07b2a9-563a-41e2-95eb-1a31efd1dcf8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e39c17b3-25be-4f66-a996-755f992f8013" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_bc07b2a9-563a-41e2-95eb-1a31efd1dcf8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_e39c17b3-25be-4f66-a996-755f992f8013" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_fb0241bc-877e-4d1f-83fb-7e770a2bd570" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_bc07b2a9-563a-41e2-95eb-1a31efd1dcf8" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_fb0241bc-877e-4d1f-83fb-7e770a2bd570" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/INCOMETAXESProvisionBenefitForIncomeTaxesAllocatedtoContinuingOperationDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#INCOMETAXESProvisionBenefitForIncomeTaxesAllocatedtoContinuingOperationDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/INCOMETAXESProvisionBenefitForIncomeTaxesAllocatedtoContinuingOperationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_317e49c4-2d10-4930-94f4-d220490b0d88" xlink:href="smg-20240930.xsd#smg_ProvisionForDeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_0d6728d9-1e7e-420f-934c-75adeab7ed69" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_317e49c4-2d10-4930-94f4-d220490b0d88" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_0d6728d9-1e7e-420f-934c-75adeab7ed69" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_43c4019a-1236-452b-999b-187d49b9de96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_317e49c4-2d10-4930-94f4-d220490b0d88" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_43c4019a-1236-452b-999b-187d49b9de96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_376eccba-8dc1-4c52-86e4-97d90c008c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_317e49c4-2d10-4930-94f4-d220490b0d88" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_376eccba-8dc1-4c52-86e4-97d90c008c5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_698a9a40-074c-464e-8a36-7413f6f3e7dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_98c5ea4f-6d8d-4d5e-b0e5-9ca8276dbfcd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_698a9a40-074c-464e-8a36-7413f6f3e7dc" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_98c5ea4f-6d8d-4d5e-b0e5-9ca8276dbfcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_36652dd9-9706-4fa8-9cca-ec189f2f027e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_698a9a40-074c-464e-8a36-7413f6f3e7dc" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_36652dd9-9706-4fa8-9cca-ec189f2f027e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_d5188b9d-7e0c-42ae-8e77-ed66a67dd6d7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_698a9a40-074c-464e-8a36-7413f6f3e7dc" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_d5188b9d-7e0c-42ae-8e77-ed66a67dd6d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_91accf8b-f4ef-4d7b-aaa2-a5460920cd9a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_8ecb6b79-f911-460a-8bc7-7def49912421" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_91accf8b-f4ef-4d7b-aaa2-a5460920cd9a" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_8ecb6b79-f911-460a-8bc7-7def49912421" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_6ec828ce-8e10-40e7-b90a-4eab22fe62bb" xlink:href="smg-20240930.xsd#smg_ProvisionForDeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_91accf8b-f4ef-4d7b-aaa2-a5460920cd9a" xlink:to="loc_smg_ProvisionForDeferredIncomeTaxExpenseBenefit_6ec828ce-8e10-40e7-b90a-4eab22fe62bb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/INCOMETAXESDomesticandForeignComponentsofIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#INCOMETAXESDomesticandForeignComponentsofIncomeFromContinuingOperationsBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/INCOMETAXESDomesticandForeignComponentsofIncomeFromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6a853e99-06c2-4757-bf48-104db09101bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_57ef9ff5-b66b-4d64-bd4d-a36034b32767" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6a853e99-06c2-4757-bf48-104db09101bb" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_57ef9ff5-b66b-4d64-bd4d-a36034b32767" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_8fd64f71-6fd6-4892-ba02-485183b386dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6a853e99-06c2-4757-bf48-104db09101bb" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_8fd64f71-6fd6-4892-ba02-485183b386dc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/INCOMETAXESReconciliationofTheFederalCorporateIncomeTaxRateandTheEffectiveTaxRateDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#INCOMETAXESReconciliationofTheFederalCorporateIncomeTaxRateandTheEffectiveTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/INCOMETAXESReconciliationofTheFederalCorporateIncomeTaxRateandTheEffectiveTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_afc7f9d9-8b77-44d3-ae77-03beae59fd75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_afc7f9d9-8b77-44d3-ae77-03beae59fd75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_1f9aaaca-98ca-40a9-85fb-91c1a80c0392" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_1f9aaaca-98ca-40a9-85fb-91c1a80c0392" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d86bc93b-f023-4e36-a03a-8a785d437080" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d86bc93b-f023-4e36-a03a-8a785d437080" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_63a2acb1-d0e2-43b5-a621-27d8c376cd91" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_63a2acb1-d0e2-43b5-a621-27d8c376cd91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_92fbe212-df70-470d-a273-ae24192c6811" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_92fbe212-df70-470d-a273-ae24192c6811" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_5a5a937b-5bbf-48c2-84b1-eb3587d3cedd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_5a5a937b-5bbf-48c2-84b1-eb3587d3cedd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_b7e9ba17-7892-4378-ad4a-9d617eb3c4ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_b7e9ba17-7892-4378-ad4a-9d617eb3c4ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_22ba07f7-afb9-48fb-b5d5-6d08d1f12bad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_bcb2adeb-ddbf-4430-b753-24909fe65605" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_22ba07f7-afb9-48fb-b5d5-6d08d1f12bad" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/INCOMETAXESComponentsofDeferredIncomeTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#INCOMETAXESComponentsofDeferredIncomeTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/INCOMETAXESComponentsofDeferredIncomeTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_c4e0f68d-abd4-4907-a45b-2652745e5c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_a19254b8-7041-4061-aa7f-b82ada912323" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c4e0f68d-abd4-4907-a45b-2652745e5c5c" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_a19254b8-7041-4061-aa7f-b82ada912323" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_1d375c93-dbb9-4852-b199-be155596891e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c4e0f68d-abd4-4907-a45b-2652745e5c5c" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_1d375c93-dbb9-4852-b199-be155596891e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_92888354-c19c-41ac-b33b-2846eaa7bb9b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_DeferredTaxLiabilitiesRightOfUseAssets_b318b14b-1fef-4bc6-8914-532ca6d759ef" xlink:href="smg-20240930.xsd#smg_DeferredTaxLiabilitiesRightOfUseAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_92888354-c19c-41ac-b33b-2846eaa7bb9b" xlink:to="loc_smg_DeferredTaxLiabilitiesRightOfUseAssets_b318b14b-1fef-4bc6-8914-532ca6d759ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_9da8cc2d-0732-4c0b-8694-3e62c0f1faaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_92888354-c19c-41ac-b33b-2846eaa7bb9b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_9da8cc2d-0732-4c0b-8694-3e62c0f1faaa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_0bbc17f8-845f-4162-9345-cd63a77b543a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_92888354-c19c-41ac-b33b-2846eaa7bb9b" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_0bbc17f8-845f-4162-9345-cd63a77b543a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_6638f849-7bd5-479d-9208-3c78b4f44a63" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_6638f849-7bd5-479d-9208-3c78b4f44a63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_DeferredTaxAssetsLeaseLiabilities_291019a7-f0b5-4b33-941a-7a000a3b4e57" xlink:href="smg-20240930.xsd#smg_DeferredTaxAssetsLeaseLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_smg_DeferredTaxAssetsLeaseLiabilities_291019a7-f0b5-4b33-941a-7a000a3b4e57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_a6e3dc99-c21f-4db8-b2f9-8bd2f099ca57" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_a6e3dc99-c21f-4db8-b2f9-8bd2f099ca57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_75d01323-3da4-4038-954f-6be5c8736e96" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_75d01323-3da4-4038-954f-6be5c8736e96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetInterestCarryforward_d6c71576-8861-48c7-b27a-96f02279497c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetInterestCarryforward"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetInterestCarryforward_d6c71576-8861-48c7-b27a-96f02279497c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInvestments_3f443b8a-8b93-4a8a-b7b1-f2101cce7ef5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInvestments"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsInvestments_3f443b8a-8b93-4a8a-b7b1-f2101cce7ef5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_8fe61e37-c895-4ab9-ad04-6ac386f4db78" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInventory"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsInventory_8fe61e37-c895-4ab9-ad04-6ac386f4db78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_3fd37328-ed18-4e6b-8646-e371f40dba25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_3fd37328-ed18-4e6b-8646-e371f40dba25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_smg_DeferredTaxAssetsOutsideBasisInEquityInvestments_cfde39e5-a004-4785-91f6-dca6c5bb364f" xlink:href="smg-20240930.xsd#smg_DeferredTaxAssetsOutsideBasisInEquityInvestments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_smg_DeferredTaxAssetsOutsideBasisInEquityInvestments_cfde39e5-a004-4785-91f6-dca6c5bb364f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_993c47c6-ab63-478f-b59f-9991baecb05e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f55a2e77-9145-45b0-ad06-9d8b484c3644" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_993c47c6-ab63-478f-b59f-9991baecb05e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6e69bf48-6f1e-4a67-b841-c16ac19dc559" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_79c129b9-8157-4533-9c1b-1cac06a2d563" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6e69bf48-6f1e-4a67-b841-c16ac19dc559" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_79c129b9-8157-4533-9c1b-1cac06a2d563" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_1ba351f1-0f29-4cf1-b65a-f663d818a6fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6e69bf48-6f1e-4a67-b841-c16ac19dc559" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_1ba351f1-0f29-4cf1-b65a-f663d818a6fa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGACTIVITIESFairValuesoftheCompanysDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#DERIVATIVEINSTRUMENTSANDHEDGINGACTIVITIESFairValuesoftheCompanysDerivativeInstrumentsDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/DERIVATIVEINSTRUMENTSANDHEDGINGACTIVITIESFairValuesoftheCompanysDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_2ec40f1d-8510-4bb4-9fcb-1a69aa5d5ade" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_1a3674fa-f1d7-413d-9cd9-b1dc9035c693" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet_2ec40f1d-8510-4bb4-9fcb-1a69aa5d5ade" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_1a3674fa-f1d7-413d-9cd9-b1dc9035c693" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_8f24eb9b-8008-4eac-949a-1b5f8a17941d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet_2ec40f1d-8510-4bb4-9fcb-1a69aa5d5ade" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_8f24eb9b-8008-4eac-949a-1b5f8a17941d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/LEASESSupplementalBalanceSheetInformationScheduleDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#LEASESSupplementalBalanceSheetInformationScheduleDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/LEASESSupplementalBalanceSheetInformationScheduleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_c49ff5df-2693-4905-83f0-2c117a94fa52" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_6e13d9d6-4728-4b40-9ced-d397c593686e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_c49ff5df-2693-4905-83f0-2c117a94fa52" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_6e13d9d6-4728-4b40-9ced-d397c593686e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_490f3da0-3c53-4b56-ad30-33baad01be42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_c49ff5df-2693-4905-83f0-2c117a94fa52" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_490f3da0-3c53-4b56-ad30-33baad01be42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_1a93beef-38aa-4d9a-8d55-b3963f98b4ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_d44723da-2854-4a94-84f7-e8b5e7d13075" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_1a93beef-38aa-4d9a-8d55-b3963f98b4ab" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_d44723da-2854-4a94-84f7-e8b5e7d13075" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c31f3b43-7386-4c02-892e-1baa5cbc95ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiability_1a93beef-38aa-4d9a-8d55-b3963f98b4ab" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c31f3b43-7386-4c02-892e-1baa5cbc95ab" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/LEASESComponentsofLeaseCostScheduleDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#LEASESComponentsofLeaseCostScheduleDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/LEASESComponentsofLeaseCostScheduleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_smg_FinanceLeaseCost_9897103f-9f67-49b8-afba-b09672878cb1" xlink:href="smg-20240930.xsd#smg_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_de774269-da0f-4d02-b75b-508a97d3841e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_FinanceLeaseCost_9897103f-9f67-49b8-afba-b09672878cb1" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_de774269-da0f-4d02-b75b-508a97d3841e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_459664da-c768-4352-8567-bf18377814fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_smg_FinanceLeaseCost_9897103f-9f67-49b8-afba-b09672878cb1" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_459664da-c768-4352-8567-bf18377814fe" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_689ea040-bfa1-41eb-aafd-a7052d29266d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_6f1ee695-b894-4890-a4c8-f40fceb1e820" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_689ea040-bfa1-41eb-aafd-a7052d29266d" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_6f1ee695-b894-4890-a4c8-f40fceb1e820" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_9462d512-2e82-4b19-b635-7a0848088474" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_689ea040-bfa1-41eb-aafd-a7052d29266d" xlink:to="loc_us-gaap_FinanceLeaseLiability_9462d512-2e82-4b19-b635-7a0848088474" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ae50d163-81a6-4551-81b4-5fcb4480979e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_9d35376f-b290-4997-860d-a639a9826e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ae50d163-81a6-4551-81b4-5fcb4480979e" xlink:to="loc_us-gaap_OperatingLeaseLiability_9d35376f-b290-4997-860d-a639a9826e9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_c3cfb6ac-d19c-4d94-a9c7-ba79146260a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ae50d163-81a6-4551-81b4-5fcb4480979e" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_c3cfb6ac-d19c-4d94-a9c7-ba79146260a0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails_1" xlink:type="simple" xlink:href="smg-20240930.xsd#LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails_1"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/LEASESMaturitiesofLeaseLiabilitiesbyFiscalYearScheduleDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_d940f524-9af8-42c0-8fe6-1bc353c4b9dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_d940f524-9af8-42c0-8fe6-1bc353c4b9dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_bccf993b-8725-4066-8edc-7862a98945bd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_bccf993b-8725-4066-8edc-7862a98945bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_5943593d-2a76-43bf-8d2f-5bae468d11f2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_5943593d-2a76-43bf-8d2f-5bae468d11f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_9c194dda-7b27-48df-8dae-b08bf21c65b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_9c194dda-7b27-48df-8dae-b08bf21c65b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_ca9775da-2f70-43fb-954e-6e67c887a9de" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_ca9775da-2f70-43fb-954e-6e67c887a9de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_d75fe7a6-170b-47a9-bfb6-ca5b28521be8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_ef4d67b1-61b7-4377-8c4c-18af1ee64f02" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_d75fe7a6-170b-47a9-bfb6-ca5b28521be8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_00bcb1b2-b92c-457f-bf41-05ada8c77faf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_00bcb1b2-b92c-457f-bf41-05ada8c77faf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_00e9b273-b9e1-4b02-874d-6e1f6cdf4e10" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_00e9b273-b9e1-4b02-874d-6e1f6cdf4e10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_d471742a-7383-43d0-84fd-9884cff43b04" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_d471742a-7383-43d0-84fd-9884cff43b04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_374ad517-79d6-4b5c-bab0-8159ad34ca0b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_374ad517-79d6-4b5c-bab0-8159ad34ca0b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_702e731b-1b42-4cd1-be40-83c7619bfc59" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_702e731b-1b42-4cd1-be40-83c7619bfc59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_485ddf0f-40c9-4998-b11f-8954cf4db378" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_a27874b9-69ed-49f9-be2a-9cbbc9056b0f" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_485ddf0f-40c9-4998-b11f-8954cf4db378" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.scotts.com/role/COMMITMENTSDetails" xlink:type="simple" xlink:href="smg-20240930.xsd#COMMITMENTSDetails"/>
  <link:calculationLink xlink:role="http://www.scotts.com/role/COMMITMENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_8d1c0314-13bc-4773-b961-06ccd64d5d15" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_8d1c0314-13bc-4773-b961-06ccd64d5d15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_818ef8da-3292-41ee-bd7d-314f13221e42" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_818ef8da-3292-41ee-bd7d-314f13221e42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_70f46ed0-c3b8-4a97-92d3-8a292bf509ac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_70f46ed0-c3b8-4a97-92d3-8a292bf509ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_85852b72-a239-4b90-8eef-f01588da8eff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_85852b72-a239-4b90-8eef-f01588da8eff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_f3435abf-d582-4e0d-bb3f-59a2d88b5dbd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_f3435abf-d582-4e0d-bb3f-59a2d88b5dbd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0a509649-044b-4a04-adf2-8f6aa6fd20a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount_7f08a825-eca1-4caf-b2bd-9ca99e33f404" xlink:to="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0a509649-044b-4a04-adf2-8f6aa6fd20a5" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
