Form: POSASR

Post-effective Amendment to an automatic shelf registration statement on Form S-3ASR or Form F-3ASR

October 1, 2020

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement No. 333-221935 on Form S-3 of our report dated November 26, 2019 relating to the financial statements of Central Garden & Pet Company and the effectiveness of Central Garden & Pet Company’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Central Garden & Pet Company for the year ended September 28, 2019. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ DELOITTE & TOUCHE LLP

San Francisco, California

September 30, 2020