<SEC-DOCUMENT>0001209191-15-076160.txt : 20151019
<SEC-HEADER>0001209191-15-076160.hdr.sgml : 20151019
<ACCEPTANCE-DATETIME>20151019182000
ACCESSION NUMBER:		0001209191-15-076160
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151015
FILED AS OF DATE:		20151019
DATE AS OF CHANGE:		20151019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTRAL GARDEN & PET CO
		CENTRAL INDEX KEY:			0000887733
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MISCELLANEOUS NONDURABLE GOODS [5190]
		IRS NUMBER:				680275553
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0926

	BUSINESS ADDRESS:	
		STREET 1:		1340 TREAT BOULEVARD
		STREET 2:		SUITE 600
		CITY:			WALNUT CREEK
		STATE:			CA
		ZIP:			94597
		BUSINESS PHONE:		9259484000

	MAIL ADDRESS:	
		STREET 1:		1340 TREAT BOULEVARD
		STREET 2:		SUITE 600
		CITY:			WALNUT CREEK
		STATE:			CA
		ZIP:			94597

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENTRAL GARDEN & PET COMPANY
		DATE OF NAME CHANGE:	19941019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BROWN WILLIAM E
		CENTRAL INDEX KEY:			0000936179

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33268
		FILM NUMBER:		151165150

	MAIL ADDRESS:	
		STREET 2:		3697 MOUNT DIABLO BLVD, SUITE 310
		CITY:			LAFAYETTE
		STATE:			CA
		ZIP:			94549
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-10-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000887733</issuerCik>
        <issuerName>CENTRAL GARDEN &amp; PET CO</issuerName>
        <issuerTradingSymbol>CENT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000936179</rptOwnerCik>
            <rptOwnerName>BROWN WILLIAM E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1340 TREAT BLVD., SUITE 600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WALNUT CREEK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94597</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-10-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.9535</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2696670</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-10-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>28200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.434</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2668470</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>240000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Irrevocable Trusts</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold through sales plan pursuant to Rule 10b5-1(c)(1) of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F2">The range of prices for the shares of Class A Common Stock is from $17.95 to $17.995. Mr. Brown undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.</footnote>
        <footnote id="F3">The range of prices for the shares of Class A Common Stock is from $17.95 to $18.72. Mr. Brown undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.</footnote>
        <footnote id="F4">These securities are owned directly by various family Irrevocable Trusts and indirectly by the Reporting Person and his spouse as co-trustees of the Irrevocable Trusts. The Reporting Person and his spouse, as co-trustees, have and share investment control over the securities held in each of the Irrevocable Trusts but disclaim beneficial ownership of the reported securities held by the Irrevocable Trusts except to the extent of his and his wife's pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ JoAnn Jonte, as Attorney-in-Fact for William E. Brown</signatureName>
        <signatureDate>2015-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
