Taxonomy
| Clade | angiosperm |
| Family | Oleaceae |
| Genus | Fraxinus |
| Species | americana |
| Common Name | white ash |
| iTree Code | FRAM2 |
Plant Form
| Form | Tree: open rounded crown (pyramidal when young) |
| Height | 80 feet |
| Spread | 50 feet |
| Deciduous | Yes |
Identification Description
| Foliage | 5-7 leaflets, oval, dark green with smooth edges |
Leaf Type
 |
Compound - Pinnate |
| Bark | gray/brown with interlacing ridges |
| Bud | large, brown, spherical to broad terminal bud, slightly hairy/downy, rust brown |
Bud Arrangement
 |
Opposite |
| Twig | gray/green with lateral buds set deep in leaf scar (like a smile) |
| Flower | small, green/purple, clusters at branch ends; lacking petals; appearing before leaves; male and female on separate trees (dioecious) |
| Fruit | canoe paddle shaped samara, seed long and narrow |
| Fall Color | purple, yellow, orange |
Site Characteristics
USDA Zones
 |
pH Levels | Salt Tolerance |
| Min | 3b |
Min | 4.6 |
Soil | Moderate |
| Max | 9a |
Max | 7.5 |
Spray | Moderate |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Intolerant |
Intolerant |
No |
Species Status
| Nebraska Native |
|
| U.S. Native |
|
| Region of Origin | United States, Canada |
| More Information | Visit External Site |