Invasive Plant Rules in Oklahoma (2026)
5 rules on the books across Oklahoma, 3 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.
Broken Arrow
Heavy RestrictionsBroken Arrow's landscaping code flatly prohibits planting Bradford Pear trees anywhere required landscaping is…
Read full rule →Norman
Some RestrictionsNorman's Appendix D Plant List flags Tree-of-Heaven and Paper Mulberry as invasive species that fail the city's…
Read full rule →Oklahoma City
Some RestrictionsOklahoma City outlaws poison ivy, poison oak, and poison sumac on any lot at any height, classifying them as noxious…
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.
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.