Invasive Plant Rules in Fremont, CA (2026)
1 verified invasive plant rules for Fremont, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Fremont Municipal Code Section 8.20.010 bans willfully planting, growing or keeping any castor bean plant (Ricinus communis), or its seeds or beans, on real property anywhere in the city. Owners who receive written notice from the chief of police have 48 hours to remove the plant and all of its seeds and beans before the city treats the violation as an actively enforced nuisance.
Fremont Castor Bean Plant Ban
Heavy RestrictionsFremont, CA, Municipal Code Sec. 8.20.010 (Keeping of Castor Bean Plant - Prohibited)
Except as hereinafter provided, no person having possession of or responsible for the management or upkeep of any lot, parcel, or portion of real property within the city shall: (a) Willfully and knowingly plant, grow, nurture, keep, or harbor any castor bean plant (Ricinus communis) or the seeds or beans thereof upon said real property; or (b) Refuse, fail, or neglect, for a period of 48 hours...
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