Invasive Plant Rules in Wausau, WI (2026)
2 verified invasive plant rules for Wausau, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Wausau's zoning code lists buckthorn, multiflora rose, honeysuckle, Japanese barberry, and other invasive species as flatly 'Prohibited' on its landscaping plant table, barring them from any landscaping plan the City reviews. A separate 'Use Sparingly' category caps over-planted species at one in every 20 plants of the same type.
Invasive Plant Ban in Wausau, WI
Heavy RestrictionsWausau Municipal Code § 23.08.40, Figure 23.08.40c
Classification Common Name Scientific Name Prohibited2or Use Sparingly1 Reason Alternative ... Tall Deciduous Shrub Buckthorns Rhamnus cathartica Prohibited Invasive, non-native Gray Dogwood ... Tall Deciduous Shrub Multiflora rose Rosa multiflora Prohibited Invasive, non-native Medium Deciduous ... Shrub Honeysuckle Lonicera spp. Prohibited Invasive, non-native Low Deciduous Shrub Japanese Bar...
Tree-of-Heaven Removal
Ailanthus altissima, the tree of heaven, is listed 'Prohibited' on Wausau's zoning code landscaping plant table because it is an invasive non-native species. Any landscaping plan the City reviews under section 23.08.20 must leave the tree of heaven out and use an approved substitute instead.
Tree of Heaven Ban in Wausau, WI
Heavy RestrictionsWausau Municipal Code § 23.08.40, Figure 23.08.40c
Classification Common Name Scientific Name Prohibited2or Use Sparingly1 Reason Alternative ... Medium Deciduous Tree Ailanthus, Tree of Heaven Ailanthus altissima Prohibited Invasive non-native Serviceberry ... 2 " Prohibited Species" shall not be included as part of any landscaping plan that is subject to City review per section 23.08.20. The purpose of this provision is to limit the planting ...
Looking for Marathon County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Wausau city rules.
Invasive Plant Rules in Marathon County →