Invasive Plant Rules in Aurora, CO (2026)
2 verified invasive plant rules for Aurora, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Aurora's development code bans planting Russian olive, aspen, tamarisk, ash, Siberian elm and tree of heaven citywide, plus anything on the state noxious weed list.
Aurora Bans Invasive Landscape Plants
Some RestrictionsAurora Unified Development Ordinance § 146-4.7.3.B.4
The following plants shall be prohibited from being planted in the City: i. Russian Olive (all Elaeagnus Angustifolia species and cultivars); ii. Aspen (all Populus Tremuloides species and cultivars); ... iv. Tamarisk (all species); v. Ash (Fraxinus species); vi. Siberian Elm (Ulmus pumia); and vii. Tree of Heaven (Ailanthus sp.). Plants listed as an invasive species by the Colorado State Unive...
Tree-of-Heaven Removal
Aurora's Unified Development Ordinance bans planting Tree of Heaven (Ailanthus sp.) anywhere in the city, alongside Russian Olive, Aspen, Tamarisk, Ash and Siberian Elm, under the landscape code's list of prohibited plant species.
Tree of Heaven Ban in Aurora, CO
Heavy RestrictionsAurora Unified Development Ordinance § 146-4.7.3.B.4.a.vii
4. Prohibited Plant Species. a. The following plants shall be prohibited from being planted in the City: i. Russian Olive (all Elaeagnus Angustifolia species and cultivars); ii. Aspen (all Populus Tremuloides species and cultivars); iii. Cottonwood (all species)...; iv. Tamarisk (all species); v. Ash (Fraxinus species); vi. Siberian Elm (Ulmus pumia); and vii. Tree of Heaven (Ailanthus sp.).
Looking for Arapahoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Aurora city rules.
Invasive Plant Rules in Arapahoe County →