Invasive Plant Rules in California (2026)
97 rules on the books across California, 80 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Bamboo Restrictions
Rules about planting running bamboo near property lines, containment requirements, removal obligations, and fines for bamboo that spreads to neighboring properties.
San Diego County
Some RestrictionsIn San Diego County's designated wildfire hazard zones, new bamboo plantings count as nonfire-smart vegetation and must…
Read full rule →Vista
Some RestrictionsVista's Wildland-Urban Interface Code names bamboo species, alongside conifers, junipers, cypress, palms, pepper trees…
Read full rule →Alameda County
Few RestrictionsAlameda County does not have a specific bamboo ban, but running bamboo that spreads onto neighboring properties can be…
Read full rule →Prohibited Species
Plants that are banned or regulated in your area, including Japanese knotweed, kudzu, purple loosestrife, and other species that threaten native ecosystems.
Fremont
Heavy RestrictionsFremont Municipal Code Section 8.20.010 bans willfully planting, growing or keeping any castor bean plant (Ricinus…
Read full rule →Hayward
Heavy RestrictionsHayward's Bay-Friendly Water Efficient Landscape Ordinance bans invasive plant species outright in any covered…
Read full rule →Lake County
Heavy RestrictionsLake County makes it a crime to bring, keep, sell, gift, or plant nine listed non-native invasive aquatic plants…
Read full rule →Livermore
Heavy RestrictionsLivermore's landscape ordinance flatly prohibits installing invasive or noxious plant species in any regulated project…
Read full rule →Moreno Valley
Heavy RestrictionsInvasive plants like Arundo donax, pampas grass, tamarisk, and tree of heaven are discouraged or banned in new…
Read full rule →San Jose
Heavy RestrictionsSan Jose follows the California Invasive Plant Council (Cal-IPC) guidance and the Santa Clara Valley Habitat Plan…
Read full rule →San Marcos
Heavy RestrictionsSan Marcos prohibits invasive plant species in covered landscape projects under its Water Efficient Landscape…
Read full rule →Sonora
Heavy RestrictionsSonora does not maintain a specific local prohibited plant species list, but California state law regulates invasive…
Read full rule →Temecula
Heavy RestrictionsTemecula prohibits highly flammable and invasive plant species near structures, particularly in Wildland-Urban…
Read full rule →Chula Vista
Significant RestrictionsCVMC 12.32.070 makes it unlawful to plant a named list of trees and shrubs, including blue gum eucalyptus, black locust…
Read full rule →Cupertino
Significant RestrictionsCupertino's Landscape Ordinance bans installing any invasive plant species or noxious weed as part of a new or…
Read full rule →Dublin
Significant RestrictionsDublin, California bans invasive and noxious plant species from landscape designs citywide. Municipal Code Section…
Read full rule →El Dorado County
Significant RestrictionsEl Dorado County bans planting seven tree species in public road rights-of-way. Section 12.12.070 outlaws Acacia, Black…
Read full rule →Placer County
Significant RestrictionsLandscape design plans for covered Placer County projects may not use invasive or noxious plant species. Section…
Read full rule →Ventura County
Significant RestrictionsIn the county's Habitat Connectivity and Wildlife Corridors overlay zone, intentionally planting invasive plant species…
Read full rule →Vista
Significant RestrictionsVista Municipal Code Section 8.62.020(C) declares any noxious or invasive weed or plant that a federal, state, or…
Read full rule →Yuba County
Significant RestrictionsUnincorporated Yuba County bans installing any plant on the Cal-IPC Exotic Pest Plants of Greatest Ecological Concern…
Read full rule →Anaheim
Some RestrictionsAnaheim does not publish its own list of prohibited plants but enforces California Food and Agriculture Code 7270…
Read full rule →Chico
Some RestrictionsQualifying new landscape projects in Chico must stick to non-invasive plant species drawn from the state WUCOLS…
Read full rule →Chino
Some RestrictionsNew and rehabilitated landscaping in Chino may not include invasive plant species listed by the California Invasive…
Read full rule →Chino Hills
Some RestrictionsChino Hills bars the use of invasive plant species, such as those on the California Invasive Plant Council's list, in…
Read full rule →Clovis
Some RestrictionsClovis Municipal Code Section 9.28.090(C)(5) requires owners of nonresidential, multifamily, and planned-development…
Read full rule →El Cajon
Some RestrictionsEl Cajon bars invasive plant species from any landscape documentation package project: new landscaped areas of 500…
Read full rule →Escondido
Some RestrictionsEscondido's water-efficient landscape ordinance defines invasive species as plants not historically found in California…
Read full rule →Hawthorne
Some RestrictionsLandscaped areas required under Hawthorne's zoning title must be planted from the city's approved Appendix A plant…
Read full rule →Irvine
Some RestrictionsLandscape plans for new development within 100 feet of the San Joaquin Marsh or San Diego Creek in Irvine's IBC…
Read full rule →Los Angeles
Some RestrictionsCalifornia regulates invasive plants through the California Food and Agricultural Code and the Department of Food and…
Read full rule →Los Angeles County
Some RestrictionsThe LA County Agricultural Commissioner maintains a list of noxious weeds and invasive plant species. California's…
Read full rule →Manteca
Some RestrictionsManteca's landscape design standards flatly prohibit introducing invasive plant species into any required landscaping…
Read full rule →Marin County
Some RestrictionsMarin County Code Section 6.60.010 makes it unlawful to knowingly let 13 named noxious weeds, including Canada thistle…
Read full rule →Monterey County
Some RestrictionsPlanting Plans for major landscape projects (2,500+ square feet) in unincorporated Monterey County must strictly…
Read full rule →Murrieta
Some RestrictionsMurrieta's landscaping standards bar invasive plant species from covered projects, requiring extra caution near parks…
Read full rule →Oakland
Some RestrictionsOakland Municipal Code § 8.18.060 makes it an infraction to let Scotch or Canada thistle, Russian thistle, Mexican…
Read full rule →Oceanside
Some RestrictionsAny project that files a landscape plan with the City of Oceanside is barred from adding invasive plant species to the…
Read full rule →Orange County
Some RestrictionsCalifornia's noxious weed list applies in Orange County. The OC Agricultural Commissioner enforces plant quarantines…
Read full rule →Perris
Some RestrictionsPerris's landscape ordinance requires new and rehabilitated landscaping to avoid invasive plant species, especially…
Read full rule →Petaluma
Some RestrictionsPetaluma bans plant species listed as invasive by the California Invasive Plant Council from the landscape design of…
Read full rule →Pomona
Some RestrictionsPomona's Zoning and Development Code bans planting any species on the California Invasive Plant Inventory under Sec…
Read full rule →Rancho Cucamonga
Some RestrictionsAny landscaping installed under a Rancho Cucamonga development or design review permit must skip every species on the…
Read full rule →Riverside County
Some RestrictionsAny development in unincorporated Riverside County that needs an approved landscaping plan, including qualifying plot…
Read full rule →San Bernardino
Some RestrictionsSan Bernardino requires property owners to destroy and remove castor bean (Ricinus communis) plants once the health…
Read full rule →San Clemente
Some RestrictionsSan Clemente's Property Maintenance Code bans noxious weeds outright and requires every developed property to stay free…
Read full rule →San Diego
Some RestrictionsSan Diego's Land Development Code bars planting invasive plant species in any landscaping required for new development…
Read full rule →San Diego County
Some RestrictionsIn unincorporated San Diego County, landscape plans for qualifying new construction must keep invasive plant species…
Read full rule →San Leandro
Some RestrictionsNew and rehabilitated landscapes on commercial, industrial, and larger residential projects in San Leandro cannot…
Read full rule →Santa Clara County
Some RestrictionsNew landscape and irrigation projects on unincorporated Santa Clara County land can't use California Invasive Plant…
Read full rule →Santa Clarita
Some RestrictionsAny Santa Clarita landscape plan required for an administrative or discretionary land use permit must skip plants the…
Read full rule →Santa Rosa
Some RestrictionsAny covered landscape project in Santa Rosa, new or rehabilitated construction needing a building or grading permit…
Read full rule →Sonoma
Some RestrictionsThe City of Sonoma bans planting exotic, nonnative, or nonriparian vegetation inside the required setback along Sonoma…
Read full rule →Sonoma County
Some RestrictionsSonoma County bans invasive plants rated moderate or higher on the California Invasive Plant Inventory from any new or…
Read full rule →Tuolumne County
Some RestrictionsTuolumne County defers to the Tuolumne County Agricultural Commissioner and California Food & Agriculture Code §5004…
Read full rule →Union City
Some RestrictionsUnion City's water-efficient landscape ordinance bars installing any species on the California Invasive Plant Council's…
Read full rule →Vallejo
Some RestrictionsVallejo's water-efficient landscape ordinance flatly bars invasive plant species, specifically those on the California…
Read full rule →Yolo County
Some RestrictionsYolo County's water-efficient landscaping ordinance, Sec. 8-3.108(a)(5), bans planting invasive species on any covered…
Read full rule →Alameda
Light RestrictionsAlameda's Bay-Friendly and Water-Efficient Landscape Ordinance bars installing any plant species the California…
Read full rule →Butte County
Light RestrictionsIn Butte County's urban zones, any landscaping installed under a building permit must be picked from a county-approved…
Read full rule →Eastvale
Light RestrictionsEastvale's Water Efficient Landscape Regulations direct that any plant species with invasive potential be avoided in…
Read full rule →Lancaster
Light RestrictionsLancaster's landscape ordinance defines and discourages invasive plants rather than banning them outright. Section…
Read full rule →Los Banos
Light RestrictionsLos Banos does not ban any specific invasive plant by name. Its landscape ordinance defines invasive plant species and…
Read full rule →Madera County
Light RestrictionsUnincorporated Madera County's landscape ordinance directs that invasive plant species be avoided in new and…
Read full rule →Menifee
Light RestrictionsMenifee's landscape water-efficiency ordinance requires every covered planting plan to avoid invasive species…
Read full rule →Merced
Light RestrictionsMerced does not publish a banned-species list, but its landscaping ordinance requires at least 90 percent of the plants…
Read full rule →Norwalk
Light RestrictionsNorwalk's Water Efficient Landscape Ordinance defines invasive plant species as plants not historically found in…
Read full rule →Palmdale
Light RestrictionsPalmdale's water efficient landscape ordinance tells every project applicant to avoid invasive plant species when…
Read full rule →Redlands
Light RestrictionsRedlands' landscape ordinance defines invasive plant species and directs landscape design plans away from them…
Read full rule →Riverside
Light RestrictionsThe California Department of Food and Agriculture maintains the statewide Noxious Weed list (Food & Ag Code §7270+)…
Read full rule →Roseville
Light RestrictionsRoseville's landscape ordinance discourages, but does not ban, invasive plants: Section 14.18.050(B)(4)(g)(ix) states…
Read full rule →Sacramento
Light RestrictionsSacramento's landscape design rules don't ban invasive plants outright. City Code § 15.92.100(A)(1)(g) 'strongly…
Read full rule →Santa Clara
Light RestrictionsSanta Clara does not run a separate invasive-plant ordinance, but its tree protection code carves out eight species it…
Read full rule →Solano County
Light RestrictionsSolano County does not keep a list of banned plants; instead, any Resource Protection Use zoning approval must show it…
Read full rule →Tracy
Light RestrictionsTracy's landscape ordinance does not ban invasive plants outright, but section 11.28.390(a)(1)(G) "strongly…
Read full rule →Upland
Light RestrictionsUpland's landscaping chapter tells every project subject to its design standards to avoid invasive plants, singling out…
Read full rule →West Sacramento
Light RestrictionsWest Sacramento's landscaping ordinance prohibits invasive plant species in city rights-of-way and easements, and…
Read full rule →Whittier
Light RestrictionsWhittier's water-efficient landscaping ordinance defines invasive plant species and tells landscape designers on…
Read full rule →Baldwin Park
Few RestrictionsBaldwin Park does not ban specific invasive plants outright. Municipal Code § 153.160.090(A)(1)(f), part of the…
Read full rule →Fairfield
Few RestrictionsFairfield's landscape design standards discourage, but do not ban, invasive plant species. City Code Section…
Read full rule →Vacaville
Few RestrictionsVacaville's water-efficient landscape ordinance discourages, but does not ban, invasive plant species in new or…
Read full rule →Front Yard Gardens
Whether your city allows vegetable gardens, wildflower meadows, or native plant landscapes in the front yard, including any height limits or appearance standards.
Tuolumne County
Heavy RestrictionsTuolumne County does not restrict front yard vegetable gardens or edible landscaping. California AB 2561 (2022)…
Read full rule →Moreno Valley
Significant RestrictionsCalifornia law protects front-yard vegetable and drought-tolerant gardens. HOAs cannot require turf or ban edible…
Read full rule →Brentwood
Some RestrictionsBrentwood requires homes built after 1987 to keep at least half of the front yard and corner-lot side yard covered in…
Read full rule →Butte County
Some RestrictionsFront yards in Butte County's urban residential zones must be planted, not paved. Section 24-115(A)(1) requires plants…
Read full rule →Los Angeles
Some RestrictionsLos Angeles encourages front yard gardens including drought-tolerant landscaping and edible gardens. LAMC Section 12.21…
Read full rule →San Jose
Some RestrictionsSan Jose allows front yard vegetable gardens. California AB 2561 (2022) protects the right to grow food on residential…
Read full rule →Orange County
Light RestrictionsIn unincorporated Orange County, flower, fruit and vegetable gardening is allowed in every residential district, but…
Read full rule →Sonora
Light RestrictionsSonora does not prohibit front yard vegetable gardens or native plant landscaping. California Government Code section…
Read full rule →Anaheim
Few RestrictionsFront-yard native and drought-tolerant gardens are expressly protected in Anaheim by California Civil Code 4735, which…
Read full rule →Yuba County
Few RestrictionsUnincorporated Yuba County counts front-yard vegetable and edible-plant gardens as landscaped area, so homeowners can…
Read full rule →Tree-of-Heaven Removal
Rules requiring removal of Ailanthus altissima (tree-of-heaven), the invasive species that hosts spotted lanternfly, including state programs and city-level mandates.
Ventura County
Significant RestrictionsVentura County's Coastal Zoning Ordinance bars new plantings of invasive trees, including tree-of-heaven, anywhere in…
Read full rule →Norwalk
Some RestrictionsNorwalk's Street Tree Ordinance names Ailanthus, commonly called tree of heaven, among the species it flatly bars from…
Read full rule →Vallejo
Some RestrictionsVallejo's tree protection code names Tree of Heaven (Ailanthus altissima) as one of six fire-prone species the planning…
Read full rule →Placer County
Light RestrictionsPlacer County bans planting Tree of Heaven in any public highway under County Code § 12.14.060, grouping it with…
Read full rule →Chico
Few RestrictionsChico's tree preservation ordinance specifically excludes Ailanthus, commonly called tree of heaven, from the…
Read full rule →Rohnert Park
Few RestrictionsRohnert Park's tree preservation ordinance exempts Ailanthus spp. (Tree of Heaven) from its removal permit requirement…
Read full rule →Santa Rosa
Few RestrictionsSanta Rosa's tree ordinance singles out ailanthus, the invasive tree-of-heaven, for special treatment: Section…
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