5 county-level rules, plus city-specific rules for 1 city in Cook County, Illinois.
Verified from official government sources
Cook County does not have a specific ordinance banning or restricting bamboo planting in unincorporated areas. However, bamboo that spreads onto neighboring properties may constitute a nuisance under Illinois common law, and property owners are responsible for controlling invasive growth.
Illinois law (Exotic Weed Act, 525 ILCS 10) prohibits the sale, distribution, and planting of certain invasive species including Japanese honeysuckle, multiflora rose, purple loosestrife, common buckthorn, and others. Cook County Forest Preserve District actively manages invasive species on public lands.
Unincorporated Cook County allows front yard vegetable gardens. Illinois passed SB 3431 (2022) prohibiting municipalities from banning food gardens on residential property. The Cook County Zoning Ordinance requires maintained landscaping but does not restrict food production in residential yards.
Tree of Heaven (Ailanthus altissima) is targeted for removal by Forest Preserves of Cook County under invasive-species management because it hosts the Spotted Lanternfly. Illinois Exotic Weed Act 525 ILCS 10 also lists Ailanthus, requiring landowner control on certain properties.
Palm trees do not survive the Cook County climate zone 5b/6a, so neither Cook County nor Illinois state law regulates palm planting, removal, or landscaping. Tropical palms sold as patio annuals are legal but die outdoors in winter.
1 cities in Cook County have their own invasive plant rules rules. Each link goes to that city's dedicated page with code citations.
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