Invasive Plant Rules in Wisconsin (2026)
5 rules on the books across Wisconsin, 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.
Wausau
Heavy RestrictionsWausau's zoning code lists buckthorn, multiflora rose, honeysuckle, Japanese barberry, and other invasive species as…
Read full rule →Wauwatosa
Some RestrictionsWauwatosa bars invasive plant species from any required landscaping under Wauwatosa Municipal Code § 24.12.050. New…
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.
Wauwatosa
Significant RestrictionsWauwatosa prohibits planting a produce garden in the front setback of any residential property under Section 15.32.050…
Read full rule →Ashwaubenon
Few RestrictionsCultivated vegetable and flower gardens, including front yard beds, are exempt from the Village of Ashwaubenon's…
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.