Invasive Plant Rules in Colorado Springs, CO (2026)
1 verified invasive plant rules for Colorado Springs, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Colorado Springs' Undesirable Plant Management Ordinance, City Code § 9.6.314, names five species, leafy spurge, diffuse knapweed, Russian knapweed, spotted knapweed and Canada thistle, as undesirable plants that every landowner in the city must control. The Code Enforcement Administrator can inspect, order abatement, and assess unpaid control costs as a lien on the property.
Colorado Springs Bans Five Invasive Undesirable Plants
Significant RestrictionsColorado Springs City Code § 9.6.314.C (Undesirable Plant Management Ordinance)
"C. Undesirable Plants Declared: In accord with Colorado Revised Statutes section 35-5.5-108, the following plants are declared to be undesirable plants subject to this article: 1. Leafy spurge (Euphorbia esula). 2. Diffuse knapweed (Centaurea diffusa). 3. Russian knapweed (Centaurea repens). 4. Spotted knapweed (Centaurea maculosa). 5. Canada thistle (Cirsium arvense)."
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County ordinances apply to unincorporated areas and may supplement Colorado Springs city rules.
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