Invasive Plant Rules in Oak Lawn, IL (2026)
2 verified invasive plant rules for Oak Lawn, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Oak Lawn bans planting box elder, tree of heaven, hawthorn, silver maple, poplar, willow, and non-disease-resistant elm anywhere in the village, with ash, mulberry, and Bradford pear added to the banned list in 2008.
Prohibited Tree Species in Oak Lawn
Heavy RestrictionsOak Lawn Village Code § 9-2-1
A. No person shall plant or cause to be planted in the village any of the following trees: 1. Box elder (Acer negundo); 2. Tree of heaven (Ailanthus); 3. Any species of hawthorn containing thorns; 4. Soft (silver) maple (Acer saccharinum); 5. Any variety of poplar (Populus); 6. Any variety of willow (Salix); or 7. Elm (not disease resistant).
Tree-of-Heaven Removal
Oak Lawn's village code bars planting tree of heaven (Ailanthus) anywhere in the village, listing it by name alongside box elder, hawthorn and other species the Village prohibits.
Oak Lawn Bans Planting Tree Of Heaven
Some RestrictionsOak Lawn Village Code § 9-2-1(A)
No person shall plant or cause to be planted in the village any of the following trees: 1. Box elder (Acer negundo); 2. Tree of heaven (Ailanthus); 3. Any species of hawthorn containing thorns; 4. Soft (silver) maple (Acer saccharinum); 5. Any variety of poplar (Populus); 6. Any variety of willow (Salix); or 7. Elm (not disease resistant).
Looking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Oak Lawn city rules.
Invasive Plant Rules in Cook County →