Invasive Plant Rules in McLean County, IL (2026)
2 rules for unincorporated McLean County, Illinois.
Verified from official government sources
Note: These county rules apply to unincorporated areas of McLean County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Prohibited Species
McLean County's stream buffer design standards flag buckthorn, kudzu, honeysuckle and other species as exceptionally invasive, most of them already on the Illinois Banned Species List and illegal to buy, sell or plant statewide.
McLean County Banned Invasive Plants in Stream Buffers
Some RestrictionsMcLean County Code § 317-46(2)
Invasive species. 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 State of Illinois.
Tree-of-Heaven Removal
McLean County names Tree of Heaven (Ailanthus altissima) first on its invasive species table in the stream buffer design standards, flagging it alongside buckthorn and honeysuckle as damaging to native ecosystems.
Tree of Heaven Listed as Invasive in McLean County
Some RestrictionsMcLean County Code § 317-46(2)
Invasive species. 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 State of Illinois. Common Name Botanical Name Tree of Heaven Ailanthus altissima
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