Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350

December 14, 2006

/S/ GLENN W. NOVOTNY

Glenn W. Novotny

Chief Executive Officer

EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with the accompanying annual report on Form 10-K of Central Garden & Pet Company for the year ended September 30, 2006 (the “Report”), I, Glenn W. Novotny, President and Chief Executive Officer of Central Garden & Pet Company, hereby certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1)

such Report complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)

the information contained in such Report presents, in all material respects, the financial condition and results of operations of Central Garden & Pet Company.