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  <xs:element id="smg_InsuranceContractsMember" abstract="true" name="InsuranceContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ProjectCatalystMember" abstract="true" name="ProjectCatalystMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="smg_MasterRepurchaseAndFrameworkAgreementsTheAmendmentsMember" abstract="true" name="MasterRepurchaseAndFrameworkAgreementsTheAmendmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="smg_GrantOfShareBasedCompensationAwards" abstract="false" name="GrantOfShareBasedCompensationAwards" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="smg_AssociateMedicalBenefitsTextBlock" abstract="false" name="AssociateMedicalBenefitsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_RevenuesReimbursementMarketingAgreement" abstract="false" name="RevenuesReimbursementMarketingAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_February62020ProgramMember" abstract="true" name="February62020ProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ProgramAgreementTermsMinimumAnnualEBITRequiredToAvoidReductionOfContributionPayment" abstract="false" name="ProgramAgreementTermsMinimumAnnualEBITRequiredToAvoidReductionOfContributionPayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_MasterAccountsReceivablePurchaseAgreementMember" abstract="true" name="MasterAccountsReceivablePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_LowesDomain" abstract="true" name="LowesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ConvertibleDebtInvestments" abstract="false" name="ConvertibleDebtInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_MarketingAgreementDomain" abstract="true" name="MarketingAgreementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_DeferredTaxAssetsLeaseLiabilities" abstract="false" name="DeferredTaxAssetsLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_OtherIncomeExpenseNetMember" abstract="true" name="OtherIncomeExpenseNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_OtherAssetsOptionToAcquireAdditionalEquityInterests" abstract="false" name="OtherAssetsOptionToAcquireAdditionalEquityInterests" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_ReconciliationOfUnrecognizedTaxBenefitsTableTextBlock" abstract="false" name="ReconciliationOfUnrecognizedTaxBenefitsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_NatureOfOperationsPolicyPolicyTextBlock" abstract="false" name="NatureOfOperationsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_ThirdRestatedAgreementMember" abstract="true" name="ThirdRestatedAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ShareBasedCompensationAwardsAndEmployeeStockPurchasePlanMember" abstract="true" name="ShareBasedCompensationAwardsAndEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_InternationalMember" abstract="true" name="InternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_AdvertisingAndPromotionalAccruals" abstract="false" name="AdvertisingAndPromotionalAccruals" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_PaymentstoAcquirePropertyPlantandEquipmentExcludingDiscontinuedOperations" abstract="false" name="PaymentstoAcquirePropertyPlantandEquipmentExcludingDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_RepaymentsOfSeniorDebtOutstandingPrincipal" abstract="false" name="RepaymentsOfSeniorDebtOutstandingPrincipal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_U.S.ConsumerMember" abstract="true" name="U.S.ConsumerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_OtherProductsMember" abstract="true" name="OtherProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_LawnCareMember" abstract="true" name="LawnCareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicInterestCostDiscountRate" abstract="false" name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicInterestCostDiscountRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="smg_SpecialCashDividendMember" abstract="true" name="SpecialCashDividendMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_EmployeeTerminationFacilityClosureAndImpairmentOfPropertyPlantAndEquipmentMember" abstract="true" name="EmployeeTerminationFacilityClosureAndImpairmentOfPropertyPlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ProvisionForDeferredIncomeTaxExpenseBenefit" abstract="false" name="ProvisionForDeferredIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_MarketingAgreementTextBlock" abstract="false" name="MarketingAgreementTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_RestructuringSettlementAndImpairmentProvisionsMember" abstract="true" name="RestructuringSettlementAndImpairmentProvisionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_A4500SeniorNotesMember" abstract="true" name="A4500SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_UnconsolidatedSubsidiaryWhoseProductsSupportTheProfessionalU.S.IndustrialTurfAndOrnamentalMarketMember" abstract="true" name="UnconsolidatedSubsidiaryWhoseProductsSupportTheProfessionalU.S.IndustrialTurfAndOrnamentalMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_LeverageRatio" abstract="false" name="LeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="smg_RestatedMarketingAgreementMember" abstract="true" name="RestatedMarketingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_BusinessCombinationsPostClosingWorkingCapitalAdjustmentObligation" abstract="false" name="BusinessCombinationsPostClosingWorkingCapitalAdjustmentObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_MarketingAgreementLineItems" abstract="true" name="MarketingAgreementLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="smg_CommissionIncomeExpenseNet" abstract="false" name="CommissionIncomeExpenseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_AmendedOriginalMarketingAgreementMember" abstract="true" name="AmendedOriginalMarketingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_LoansReceivablePolicyTextBlock" abstract="false" name="LoansReceivablePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_DefinedBenefitPlanByBenefitPlanCategoriesAxis" abstract="true" name="DefinedBenefitPlanByBenefitPlanCategoriesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="smg_DefinedBenefitPlanByBenefitPlanCategoriesDomain" abstract="true" name="DefinedBenefitPlanByBenefitPlanCategoriesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_NumberOfMinimumServiceForEligibility" abstract="false" name="NumberOfMinimumServiceForEligibility" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="smg_DisposalGroupIncludingDiscontinuedOperationContingentConsiderationFairValueDisclosure" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContingentConsiderationFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_TotalImpairmentRestructuringAndOtherCharges" abstract="false" name="TotalImpairmentRestructuringAndOtherCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_ContractualCommitmentsFutureMinimumPaymentsDue" abstract="false" name="ContractualCommitmentsFutureMinimumPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_KeyEmployeesMember" abstract="true" name="KeyEmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_TruGreenJointVentureMember" abstract="true" name="TruGreenJointVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_A4000SeniorNotesMember" abstract="true" name="A4000SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_AdjustmentsToAdditionalPaidInCapitalPurchaseOfNoncontrollingInterests" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalPurchaseOfNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsLineItems" abstract="true" name="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsRestrictedStockUnitsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="smg_AssetsHeldUnderFinanceLeasesMember" abstract="true" name="AssetsHeldUnderFinanceLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_PaymentsOfIncomeTaxesDueToSaleOfEquityInterest" abstract="false" name="PaymentsOfIncomeTaxesDueToSaleOfEquityInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_InterestRateSwapInstrument7Member" abstract="true" name="InterestRateSwapInstrument7Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_ScheduleOfCostsRelatedToPurchaseObligationsLineItems" abstract="true" name="ScheduleOfCostsRelatedToPurchaseObligationsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="smg_PurchaseAgreementTermsValueOfFinishedGoodsInventory" abstract="false" name="PurchaseAgreementTermsValueOfFinishedGoodsInventory" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_UnitedStatesConsumerSegmentMember" abstract="true" name="UnitedStatesConsumerSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_NutrientsMember" abstract="true" name="NutrientsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_CommissionPayablePercentageofProgramEarnings" abstract="false" name="CommissionPayablePercentageofProgramEarnings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="smg_SeniorNotes4500PercentMember" abstract="true" name="SeniorNotes4500PercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_RetireeContributionMember" abstract="true" name="RetireeContributionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_HomeDepotMember" abstract="true" name="HomeDepotMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_IncreaseDecreaseInOtherNet" abstract="false" name="IncreaseDecreaseInOtherNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_FinancingReceivableTerm" abstract="false" name="FinancingReceivableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="smg_DetailOfFinancialStatementsDisclosureTextBlock" abstract="false" name="DetailOfFinancialStatementsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="smg_ScheduleOfCostsRelatedToPurchaseObligationsTable" abstract="true" name="ScheduleOfCostsRelatedToPurchaseObligationsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="smg_UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromSettlementsWithTaxingAuthorities" abstract="false" name="UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromSettlementsWithTaxingAuthorities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_FinancingReceivablesInitialTerm" abstract="false" name="FinancingReceivablesInitialTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="smg_RhizofloraIncMember" abstract="true" name="RhizofloraIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_GrowingEnvironmentMember" abstract="true" name="GrowingEnvironmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="smg_PaymentOfPremiumOnInsurancePolicy" abstract="false" name="PaymentOfPremiumOnInsurancePolicy" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
