Tree of Heaven

(Ailanthus altissima)

  • Up to 70’ tall, 80’ in crown width, and6’ in trunk diameter
  • Blooms May to June
  • Plants dioecious; flowers light green in color, arranged in a multi-branched inflorescence
  • Fruits on female plants tan to reddish, single-winged, can be wind orwater-dispersed
  • Leaves pinnately compound, 1 - 4’ long with 10 - 41 leaflets, each with a glandular, notched base
  • Bark pale gray, smooth and thin with a pungent odor similar to rancid peanut

Known Distribution


There are few occurrences of this species documented in Colorado. View the knownNorth American Distribution Map.
If you are aware of infestations that are not represented, please report your sighting. Registerfor an EDDMapS account, then select "Report Sightings". Please include photos with your submissions.