Invasive Plant Rules in Peoria, IL (2026)
2 verified invasive plant rules for Peoria, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Peoria's landscape ordinance names twelve invasive woody plants, from buckthorn to kudzu, that earn no credit toward a project's landscaping requirements and must be pulled from any development site on an ongoing basis. Most also sit on the Illinois Banned Species List, making them illegal to buy, sell or plant anywhere in the state.
Peoria IL Banned Invasive Plant Species List
Significant RestrictionsPeoria, IL Unified Development Code § 8.2.13.C
Exotic, Invasive Woody Plants: The following plants are exceptionally invasive and will damage native ecosystems and cause economic losses in the attempt to control their spread. They must be removed from the site on a current and ongoing basis. Please note that most of these plants are on the Illinois Banned Species List, and are illegal to buy, sell, or plant in the State of Illinois. 1. Tree...
Tree-of-Heaven Removal
Tree of Heaven (Ailanthus altissima) tops Peoria's list of invasive species excluded from the city's protected stream buffers. Section 8.6.11 flags it as exceptionally invasive and damaging to native ecosystems, and most of the plants on that list, Tree of Heaven included, are illegal to buy, sell or plant anywhere in Illinois.
Peoria IL Tree of Heaven Ban in Stream Buffers
Significant RestrictionsPeoria, IL Unified Development Code § 8.6.11
8.6.11 Stream Buffer Plant List: The City shall maintain a plant list containing flood tolerant native northern Illinois trees, shrubs, vines and seed mixes acceptable for replanting in the buffer area. The following plants are exceptionally invasive and will damage native ecosystems. Most of these plants are on the Illinois Banned Species list and are illegal to buy, sell, or plant, in the Sta...
Looking for Peoria County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Peoria city rules.
Invasive Plant Rules in Peoria County →