﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-10-09T09:51:32-04:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>814693463</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>HAMILTON MERCER ADVISORS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1540 KUSER ROAD SUITE A4</AddressLine1Txt>
        <CityNm>MERCERVILLE</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>086193828</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>204384525</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>HORTULUS FARM FOUNDATION MUSEUM</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>HORT</BusinessNameControlTxt>
      <PhoneNum>2155890550</PhoneNum>
      <USAddress>
        <AddressLine1Txt>4897 LANDISVILLE ROAD</AddressLine1Txt>
        <CityNm>DOYLESTOWN</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>18902</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>FREDERICK REYNOLDS III</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>2155890550</PhoneNum>
      <SignatureDt>2025-08-20</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>PETER S MARTIN CPA</PreparerPersonNm>
      <PTIN>P00360267</PTIN>
      <PhoneNum>6095810300</PhoneNum>
      <PreparationDt>2025-08-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990PF documentId="RetDoc4">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>1931181</FMVAssetsEOYAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>4000</ContriRcvdRevAndExpnssAmt>
        <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
        <TotalRevAndExpnssAmt>4000</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>0</TotalNetInvstIncmAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="RetDoc1">2250</AccountingFeesRevAndExpnssAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="RetDoc3">3339</OtherExpensesRevAndExpnssAmt>
        <TotOprExpensesRevAndExpnssAmt>5589</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>0</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>0</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>0</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>5589</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>0</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-1589</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>2006</CashBOYAmt>
        <CashEOYAmt>417</CashEOYAmt>
        <CashEOYFMVAmt>417</CashEOYFMVAmt>
        <OtherAssetsBOYAmt referenceDocumentId="RetDoc2">1930764</OtherAssetsBOYAmt>
        <OtherAssetsEOYAmt referenceDocumentId="RetDoc2">1930764</OtherAssetsEOYAmt>
        <OtherAssetsEOYFMVAmt referenceDocumentId="RetDoc2">1930764</OtherAssetsEOYFMVAmt>
        <TotalAssetsBOYAmt>1932770</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>1931181</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>1931181</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <RetainedEarningBOYAmt>1932770</RetainedEarningBOYAmt>
        <RetainedEarningEOYAmt>1931181</RetainedEarningEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>1932770</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>1931181</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>1932770</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>1931181</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>1932770</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-1589</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>1931181</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>1931181</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>0</InvestmentIncomeExciseTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>true</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
        <IndividualWithBooksNm>FREDERICK REYNOLDS III</IndividualWithBooksNm>
        <PhoneNum>2155980550</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>4897 LANDISVILLE ROAD</AddressLine1Txt>
          <CityNm>DOYLESTOWN</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>18902</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>FREDERICK REYNOLDS III</PersonNm>
          <USAddress>
            <AddressLine1Txt>4897 LANDISVILLE ROAD</AddressLine1Txt>
            <CityNm>DOYLESTOWN</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
            <ZIPCd>18902</ZIPCd>
          </USAddress>
          <TitleTxt>PRESIDENT</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>TO DISPLAY ARTWORK AND OTHER HISTORICAL ITEMS</Description1Txt>
        <Expenses1Amt>5589</Expenses1Amt>
      </SummaryOfDirectChrtblActyGrp>
      <SumOfProgramRelatedInvstGrp>
        <Description1Txt>N/A</Description1Txt>
      </SumOfProgramRelatedInvstGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>0</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>2238</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>2238</TotalFMVOfUnusedAssetsAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>2238</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>34</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>2204</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>110</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <Sect4942j3j5FndtnAndFrgnOrgInd>X</Sect4942j3j5FndtnAndFrgnOrgInd>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>0</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>0</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <PrivateOperatingFoundationsGrp>
        <PrivateOperatingFndtnRulingDt>2006-07-27</PrivateOperatingFndtnRulingDt>
        <Section4942j3Ind>X</Section4942j3Ind>
        <LessorAdjNetIncmMinInvstRetGrp>
          <CurrentYearAmt>0</CurrentYearAmt>
          <TotalAmt>0</TotalAmt>
        </LessorAdjNetIncmMinInvstRetGrp>
        <QualifyingDistributionsGrp>
          <TotalAmt>0</TotalAmt>
        </QualifyingDistributionsGrp>
        <TotalAssetsGrp>
          <CurrentYearAmt>1931180</CurrentYearAmt>
          <Year1Amt>1932770</Year1Amt>
          <Year2Amt>1432190</Year2Amt>
          <Year3Amt>1933012</Year3Amt>
          <TotalAmt>7229152</TotalAmt>
        </TotalAssetsGrp>
        <TotalAssetsSect4942j3BiGrp>
          <CurrentYearAmt>1930764</CurrentYearAmt>
          <Year1Amt>1930764</Year1Amt>
          <Year2Amt>1930764</Year2Amt>
          <Year3Amt>1930764</Year3Amt>
          <TotalAmt>7723056</TotalAmt>
        </TotalAssetsSect4942j3BiGrp>
      </PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <ContributingManagerNm>FREDERICK REYNOLDS III</ContributingManagerNm>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
      </SupplementaryInformationGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="RetDoc1">
      <AccountingFeesDetail>
        <CategoryTxt>HAMILTON MERCER ADVISORS</CategoryTxt>
        <Amt>2250</Amt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <OtherAssetsSchedule documentId="RetDoc2">
      <OtherAssetsScheduleGrp>
        <Desc>ARTWORK FOR DISPLAY IN MUSEUM</Desc>
        <BOYBookValueAmt>1930764</BOYBookValueAmt>
        <EOYBookValueAmt>1930764</EOYBookValueAmt>
        <EOYFMVAmt>1930764</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="RetDoc3">
      <OtherExpensesScheduleGrp>
        <Desc>EXPENSES</Desc>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BANK CHARGES</Desc>
        <RevenueAndExpensesPerBooksAmt>81</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>INSURANCE</Desc>
        <RevenueAndExpensesPerBooksAmt>3258</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>UTILITIES</Desc>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
  </ReturnData>
</Return>