Invasive Plant Rules in Denver, CO (2026)
4 verified invasive plant rules for Denver, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Bamboo Restrictions
Denver does not have a specific ordinance banning or restricting bamboo. Colorado's Noxious Weed Act does not list bamboo as a noxious weed. Running bamboo that spreads to neighboring properties may be addressed as a nuisance under general city code.
Bamboo Restrictions in Denver
Few RestrictionsProhibited Species
Denver enforces the Colorado Noxious Weed Act, which classifies invasive species into List A (eradication required), List B (management required), and List C (advisory). Common prohibited species include Russian olive, musk thistle, and diffuse knapweed.
Prohibited Plant Species in Denver
Some RestrictionsFront Yard Gardens
Denver allows front yard food gardens and edible landscaping. Colorado law (HB19-1050) prohibits HOAs and municipalities from banning vegetable gardens. The city encourages water-wise landscaping and allows xeriscaping in front yards.
Front Yard Garden Regulations in Denver
Few RestrictionsTree-of-Heaven Removal
Colorado Department of Agriculture lists Ailanthus altissima (tree of heaven) as a List B noxious weed under the Colorado Noxious Weed Act. Denver Forestry requires removal on private property and bans planting under DRMC chapter 57 right-of-way standards.
Tree of heaven is a Colorado List B noxious weed in Denver
Some RestrictionsLooking for Denver County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Denver city rules.
Invasive Plant Rules in Denver County →