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Ferguson College of Ag Ag Research

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Tree of Heaven

Common Name: Tree of Heaven
Species Name: Ailanthus altissima (Mill.) Swingle
Family Name: Simaroubaceae
Plant Type: Trees


Plant Facts
Origin	Asia
Duration	Perennial
Distribution in Oklahoma	Scattered Throughout
Sun Preference	Somewhat shade intolerant
Susceptibility	Foliar diseases including Verticillium wilt

ID Characteristics

Field Identification Characteristics

Non-native invasive
Leaf and Stem Characteristics
- Plant Height: 12-inch diameter, 50-foot height
- Leaves: Decidious Broadleaf
- Leaf Type: Pinnately Compound
- Leaf Arrangement: Alternate
- Leaf Shape: Spear-shaped
- Stipules: Yes
Floral Characteristics
- Petals: Foul-smelling male flower
- Petal Number: 1-5
- Flower Color: Green
- Flower Timing: Late Spring
- Fruit Type: Samara


Habitat/Ecology
Habitat	Varies
Soil Type	Varies
USDA Cold Hardiness Zone	6 to 8
Successional Stage	Varies