Invasive Plant Rules in Placer County, CA (2026)

2 county-level rules, plus city-specific rules for 1 city in Placer County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Placer County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Prohibited Species

Landscape design plans for covered Placer County projects may not use invasive or noxious plant species. Section 15.75.020(2)(d)(ii)(7) bans species listed by the California Invasive Plant Council or the county's Landscape Design Guidelines, checked at plan review before permits, plan checks, or design reviews are approved.

Placer County Invasive Plant Species Ban

Significant Restrictions

Placer County Code § 15.75.020(2)(d)(ii)(7)

(7) The use of invasive and/or noxious plant species, such as those listed by the California Invasive Plant Council and the Landscape Design Guidelines, shall not be used. (8) The architectural guidelines or covenants, conditions and restricts (CC&Rs) of a common interest development, which include apartment projects, condominiums, and planned developments, shall not prohibit or include conditi...

Full ordinance details →Official source ↗

Tree-of-Heaven Removal

Placer County bans planting Tree of Heaven in any public highway under County Code § 12.14.060, grouping it with acacia, black walnut, eucalyptus, elm, palm, poplar and most conifers as species that become liabilities from structural weakness, disease, invasive roots or excessive maintenance.

Placer County Tree of Heaven Planting Ban

Light Restrictions

Placer County Code § 12.14.060

Some types of trees, upon maturing, instead of becoming assets to the community, become liabilities due to structural weaknesses, disease or insect susceptibility, short life, destructive root systems, and rank growing branches requiring excessive maintenance. Due to one or more of these characteristics, it is unlawful to plant the following trees in any public highway: A. Acacia (most species)...

Full ordinance details →Official source ↗

Invasive Plant Rules by City in Placer County

1 cities in Placer County have their own invasive plant rules rules. Each link goes to that city's dedicated page with code citations.

RosevillePop. 147,773

1 verified rule • Prohibited Species

All Placer County ordinances

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