Texas Tech University

Tree of Heaven

Ailanthus altissima
Deciduous-Trees

Although it is very adaptable to poor conditions and is considered pollution-tolerant, the weak wood and profuse suckers of the tree of heaven make it a difficult to control weed tree that shouldn't be used in most landscapes.

(Detailed plant information can be found at the bottom of the page.)
Ailanthus altissima

Ailanthus altissima Photo Gallery



Ailanthus altissima Plant Information

Classification  
   
Scientific Name: Ailanthus altissima
Common Name: tree of heaven
Family: Simaroubaceae
Suggested Uses: weed tree that should not be used in most landscape situations
   
Characteristics  
   
Height: 40 - 60 feet tall
Foliage: alternate and even or odd pinnately compound

up to 24” long

dark glands at the base of the leaflet
Flower: dioecious and monoecious

8 to 16” long panicles

male flowers have an unpleasant odor
Bloom Period: mid-Summer
Fruit: samara in late summer
Bark: smooth and grayish, becoming slightly roughened with colored streaks when older
   
Environment  
   
USDA Zone: zones 4 - 8
   
Care  
   
Maintenance: very weak wood, suckers and seeds profusely
   
Additional Notes: very adaptable and pollution tolerant

TTU Plant Resources