Prohibited Species
Invasive Plant Rules
Plants that are banned or regulated in your area, including Japanese knotweed, kudzu, purple loosestrife, and other species that threaten native ecosystems.
How Prohibited Species Rules Differ by Place
Tempe, AZ: Tempe Prohibited Street Tree Species
Heavy RestrictionsTempe bans planting several tree species in its public rights-of-way outright. Section 29-46 outlaws most eucalyptus and elm varieties, ficus nitida, willow, cottonwood, and poplar…
Yavapai County, AZ: Yavapai County Invasive Plant Prohibition
Heavy RestrictionsYavapai County's landscaping standards flatly prohibit invasive plants and noxious weeds on any parcel subject to a landscape plan. Section 547.A.6 doesn't publish its own list of…
Fremont, CA: Fremont Castor Bean Plant Ban
Heavy RestrictionsFremont 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…
Fairfield, CA: Fairfield Invasive Plant Species Landscaping Rule
Few RestrictionsFairfield's landscape design standards discourage, but do not ban, invasive plant species. City Code Section 22A.8(a)(1)(G) says using species listed by the California Invasive Plant…
Vacaville, CA: Vacaville Discourages Invasive Plant Species in Landscaping
Few RestrictionsVacaville's water-efficient landscape ordinance discourages, but does not ban, invasive plant species in new or rehabilitated landscapes. City Code Section 14.27.030.060 flags species…
Austin, TX: Prohibited Invasive Plant Species in Austin
Few RestrictionsAustin follows the Texas Department of Agriculture noxious weed list. The city's Environmental Criteria Manual identifies invasive species to avoid including Chinese tallow, ligustrum…
Cities & Counties with Prohibited Species Rules
271 locations
Alabama
Arizona
Arkansas
California
Other Invasive Plant Rules Topics
Bamboo Restrictions
Rules about planting running bamboo near property lines, containment requirements, removal obligations, and fines for bamboo that spreads to neighboring properties.
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.
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.
Palm Tree Rules
Whether non-native palms (Mexican fan palm, Canary Island date palm) are restricted in new plantings, removal incentives, and street-tree-replacement species lists.