<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-11-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000737758</issuerCik>
        <issuerName>TORO CO</issuerName>
        <issuerTradingSymbol>TTC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001771398</rptOwnerCik>
            <rptOwnerName>Mullen Joyce A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8111 LYNDALE AVENUE SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BLOOMINGTON</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55420</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock Units</value>
            </securityTitle>
            <transactionDate>
                <value>2024-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1101</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>81.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5580.271</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>81.50</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2167</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <value>2034-11-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2167</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2167</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Annual common stock award for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.</footnote>
        <footnote id="F2">Includes 72.833 common stock units acquired by the reporting person under the dividend reinvestment feature of The Toro Company Deferred Compensation Plan for Non-Employee Directors since the date of her last report.</footnote>
        <footnote id="F3">Annual option grant for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.</footnote>
        <footnote id="F4">The option vests in three equal annual installments commencing on the first anniversary of the November 1, 2024 grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joanna M. Totsky, Attorney-in-Fact</signatureName>
        <signatureDate>2024-11-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
[{"type": "4", "sequence": "1", "filename": "wk-form4_1730824888.xml", "description": "FORM 4", "secsgml_size_bytes": 5856}]
X0508
4
2024-11-01
0
0000737758
TORO CO
TTC
0001771398
Mullen Joyce A
8111 LYNDALE AVENUE SOUTH
BLOOMINGTON
MN
55420
1
0
0
0
0
Common Stock Units
2024-11-01
4
A
0
1101
81.50
A
5580.271
D
Non-Qualified Stock Option
81.50
2024-11-01
4
A
0
2167
0
A
2034-11-01
Common Stock
2167
2167
D
Annual common stock award for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.
Includes 72.833 common stock units acquired by the reporting person under the dividend reinvestment feature of The Toro Company Deferred Compensation Plan for Non-Employee Directors since the date of her last report.
Annual option grant for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.
The option vests in three equal annual installments commencing on the first anniversary of the November 1, 2024 grant date.
/s/ Joanna M. Totsky, Attorney-in-Fact
2024-11-05