<?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>0001453221</rptOwnerCik>
            <rptOwnerName>O'Rourke James Calvin</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>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>GRAT #2</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>GRAT #1</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</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="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>81.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27051</value>
                    <footnoteId id="F1"/>
                </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">The reporting person indirectly held the following shares in the respective grantor retained annuity trust (GRAT) for the benefit of the reporting person: (a) 3,515 shares of TTC common stock (&quot;GRAT 2 Shares&quot;) in GRAT 2; (b) 7,802 shares of TTC common stock (&quot;GRAT 1 Shares&quot;) in GRAT 1; and (c) 12,034 shares of TTC common stock (&quot;GRAT 2B Shares&quot;) in GRAT 2B. Upon termination of the respective GRAT, the following shares were distributed to the reporting person: (a) 3,515 of the GRAT 2 Shares from GRAT 2; (b) 7,802 of the GRAT 1 Shares from GRAT 1; and 12,034 of the GRAT 2B Shares from GRAT 2B.</footnote>
        <footnote id="F2">Annual common stock award for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.</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_1730824998.xml", "description": "FORM 4", "secsgml_size_bytes": 7710}]
X0508
4
2024-11-01
0
0000737758
TORO CO
TTC
0001453221
O'Rourke James Calvin
8111 LYNDALE AVENUE SOUTH
BLOOMINGTON
MN
55420
1
0
0
0
0
Common Stock
0
I
GRAT #2
Common Stock
0
I
GRAT #1
Common Stock
2024-11-01
4
A
0
1101
81.50
A
27051
D
Non-Qualified Stock Option
81.50
2024-11-01
4
A
0
2167
0
A
2034-11-01
Common Stock
2167
2167
D
The reporting person indirectly held the following shares in the respective grantor retained annuity trust (GRAT) for the benefit of the reporting person: (a) 3,515 shares of TTC common stock ("GRAT 2 Shares") in GRAT 2; (b) 7,802 shares of TTC common stock ("GRAT 1 Shares") in GRAT 1; and (c) 12,034 shares of TTC common stock ("GRAT 2B Shares") in GRAT 2B. Upon termination of the respective GRAT, the following shares were distributed to the reporting person: (a) 3,515 of the GRAT 2 Shares from GRAT 2; (b) 7,802 of the GRAT 1 Shares from GRAT 1; and 12,034 of the GRAT 2B Shares from GRAT 2B.
Annual common stock award for service as a non-employee director issued under The Toro Company 2022 Equity and Incentive Plan.
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