Invasive Plant Rules in Lake County, CA (2026)
1 rule for unincorporated Lake County, California.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Lake County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Prohibited Species
Lake County makes it a crime to bring, keep, sell, gift, or plant nine listed non-native invasive aquatic plants anywhere in the unincorporated county, including Clear Lake. The Agricultural Commissioner enforces the ban with hold orders requiring the plants be shipped out or destroyed within 48 hours.
Lake County Bans Invasive Aquatic Plants
Heavy RestrictionsLake County Code § 26A-5
5.1 Except as provided in subsection 5.4 of this section, it shall be unlawful for any person to transport non-native, invasive aquatic plants into the County. 5.2 Except as provided in subsection 5.4 of this section, it shall be unlawful for any person to possess, release, sell or offer for sale, gift or plant non-native, invasive aquatic plants in the County. 5.3 It shall be unlawful for any ...
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