Invasive Plant Rules in Arizona (2026)
12 rules on the books across Arizona, 11 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Prohibited Species
Plants that are banned or regulated in your area, including Japanese knotweed, kudzu, purple loosestrife, and other species that threaten native ecosystems.
Queen Creek
Heavy RestrictionsQueen Creek's Zoning Ordinance bans four landscaping plants outright in new development: standard olive trees, fountain…
Read full rule →Tempe
Heavy RestrictionsTempe bans planting several tree species in its public rights-of-way outright. Section 29-46 outlaws most eucalyptus…
Read full rule →Yavapai County
Heavy RestrictionsYavapai County's landscaping standards flatly prohibit invasive plants and noxious weeds on any parcel subject to a…
Read full rule →Peoria
Significant RestrictionsPeoria's Desert Lands Conservation Overlay bans specific invasive trees, shrubs, and groundcovers from new development…
Read full rule →Mesa
Some RestrictionsInside Mesa's Desert Uplands Area, required landscaping must be selected from the Preferred and Acceptable plant lists…
Read full rule →Phoenix
Some RestrictionsPhoenix's Walkable Urban Code prohibits planting giant reed grass, fountaingrass, and African sumac in Chapter 13…
Read full rule →Pima County
Some RestrictionsPima County's weed ordinance requires owners, lessees and occupants of unincorporated-area property to remove any…
Read full rule →Tucson
Some RestrictionsEvery developed site in Tucson must be continuously maintained to remove buffelgrass (Pennisetum ciliare), a…
Read full rule →Yuma
Some RestrictionsYuma's landscape code bans planting five species citywide or in the right-of-way. Common Bermuda grass, female…
Read full rule →Scottsdale
Light RestrictionsScottsdale's Natural Area Open Space (NAOS) is otherwise kept in permanent natural condition, but Sec. 6.1100.B.5…
Read full rule →Sedona
Light RestrictionsSedona's Land Development Code keeps invasive species out of approved plantings in two review steps: an alternative…
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.