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Fertilizer Materials Registration in California

Learn how to register a fertilizer product, find helpful forms.


The fertilizer registration program ensures fertilizer products are in compliance with California Code of Regulations for fertilizer. Product labels are reviewed in the order they are submitted. It generally takes 60 to 90 days to complete a fertilizer registration. It is unlawful to sell an unregistered fertilizer product in California. To ensure your product fulfills registration, please begin the registration process 6 months in advance of planned date of first sale.

Sign up on our online database for ease of your fertilizer materials registration. Through the database, you can apply for and manage fertilizer licenses and registrations; calculate and pay your required mill and tonnage reports; and view correspondence from registration staff.

New to the database? Click: “Enroll New User” on the top of the sign-in screen. Need a paper application? Use these forms to register:


Fertilizing Materials License Application

Conventional Fertilizing Materials Registration Application


Labeling guide, flow charts, and checklists to help with specific registration topics


Review the pertinent sections of the California Food and Agriculture Code and the California Code of Regulations (CCR).


  • We also follow the guidelines of the Association of American Plant Food Control Officials (AAPFCO)


  • Already have a product, need a label update? Use this form to submit changes to CDFA:

OIM Registration Update

CONVENTIONAL REGISTRATION UPDATE FORM



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