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  <xs:element id="smg_InReScottsEZSeedLitigationMember" abstract="true" name="InReScottsEZSeedLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_MarketingAgreementDomain" abstract="true" name="MarketingAgreementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_MinimumTerminationFeePayableThreshold" abstract="false" name="MinimumTerminationFeePayableThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_DebtOtherMember" abstract="true" name="DebtOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_InterestRateSwapInstrument7Member" abstract="true" name="InterestRateSwapInstrument7Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <xs:element id="smg_InterestCoverageRatio" abstract="false" name="InterestCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="smg_PurchaseAgreementTermsValueOfFinishedGoodsInventory" abstract="false" name="PurchaseAgreementTermsValueOfFinishedGoodsInventory" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_ProceedsFromSettlementOfEscrowFunds" abstract="false" name="ProceedsFromSettlementOfEscrowFunds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_SecuredTermLoanMember" abstract="true" name="SecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_FifthAmendedAndRestatedSeniorSecuredCreditAgreementMember" abstract="true" name="FifthAmendedAndRestatedSeniorSecuredCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <xs:element id="smg_InterestRateSwapInstrument1Member" abstract="true" name="InterestRateSwapInstrument1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_AdditionalSharesAuthorizedForRepurchaseValue" abstract="false" name="AdditionalSharesAuthorizedForRepurchaseValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_WildBirdFoodMember" abstract="true" name="WildBirdFoodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_RestatedMarketingAgreementMember" abstract="true" name="RestatedMarketingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_MarketingAgreementLineItems" abstract="true" name="MarketingAgreementLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="smg_CommissionPayablePercentageofProgramEarnings" abstract="false" name="CommissionPayablePercentageofProgramEarnings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="smg_SunlightSupplyMember" abstract="true" name="SunlightSupplyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_COVID19PandemicMember" abstract="true" name="COVID19PandemicMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <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_TranslationAdjustmentFunctionalToReportingCurrencyWriteOff" abstract="false" name="TranslationAdjustmentFunctionalToReportingCurrencyWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_TermLoanMember" abstract="true" name="TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_OtherLongtermDebtMember" abstract="true" name="OtherLongtermDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_EmployeeTerminationFacilityClosureAndImpairmentOfPropertyPlantAndEquipmentMember" abstract="true" name="EmployeeTerminationFacilityClosureAndImpairmentOfPropertyPlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_LawnCareMember" abstract="true" name="LawnCareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <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_ProjectCatalystMember" abstract="true" name="ProjectCatalystMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_ProgramAgreementTermsMinimumAnnualEBITRequiredToAvoidReductionOfContributionPayment" abstract="false" name="ProgramAgreementTermsMinimumAnnualEBITRequiredToAvoidReductionOfContributionPayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_OtherprimarilygardeningandcontrolsMember" abstract="true" name="OtherprimarilygardeningandcontrolsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_MarketingAgreementTextBlock" abstract="false" name="MarketingAgreementTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="smg_NatureOfOperationsPolicyPolicyTextBlock" abstract="false" name="NatureOfOperationsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <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_RepaymentsOfSeniorDebtRedemptionPremium" abstract="false" name="RepaymentsOfSeniorDebtRedemptionPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_GainLossOnSaleOfLongLivedAssets" abstract="false" name="GainLossOnSaleOfLongLivedAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_UnconsolidatedSubsidiaryWhoseProductsSupportTheProfessionalU.S.IndustrialTurfAndOrnamentalMarketMember" abstract="true" name="UnconsolidatedSubsidiaryWhoseProductsSupportTheProfessionalU.S.IndustrialTurfAndOrnamentalMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="smg_MasterAccountsReceivablePurchaseAgreementMember" abstract="true" name="MasterAccountsReceivablePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <xs:element id="smg_LeaseLiabilityNoncurrent" abstract="false" name="LeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_RightOfUseAsset" abstract="false" name="RightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosurePolicyTextBlock" abstract="false" name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosurePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <xs:element id="smg_PurchaseAgreementTermsConsiderationToBePaid" abstract="false" name="PurchaseAgreementTermsConsiderationToBePaid" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="smg_ImpairmentRestructuringAndOtherRecoveriesChargesContinuingOperations" abstract="false" name="ImpairmentRestructuringAndOtherRecoveriesChargesContinuingOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_NetSalesWithAgencyAgreement" abstract="false" name="NetSalesWithAgencyAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_RestructuringAndOtherRelatedChargesDiscontinuedOperations" abstract="false" name="RestructuringAndOtherRelatedChargesDiscontinuedOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="smg_DebtMaturityPeriod" abstract="false" name="DebtMaturityPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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</xs:schema>
