Taxonomy
| Clade | angiosperm |
| Family | Oleaceae |
| Genus | Fraxinus |
| Species | pennsylvanica |
| Common Name | green ash |
| iTree Code | FRPE |
Plant Form
| Form | Tree: rounded or irregular crown |
| Height | 80 feet |
| Spread | 50 feet |
| Deciduous | Yes |
Identification Description
| Foliage | pinnately compound leaves, 5-9 leaflets per leaf, leaflets attach to petiole via short leaf stem, ovate or broadly lanceolate |
Leaf Type
 |
Compound - Pinnate |
| Bark | gray and smooth when young, then narrow interlaced ridges (diamond shaped ) pattern consistent over trunk |
| Bud | terminal bud large, dark brown pointed; lateral buds smaller, rounded |
Bud Arrangement
 |
Opposite |
| Twig | stout, current year greenish; leaf scar has flat-top, lenticels present |
| Flower | dioecious; flowers born on panicles, staminate flowers appear in a tight bunch, greenish yellow and maroon in color; pistillate flowers less dense revealing panicle structure, greenish yellow with darker maroonish tips |
| Fruit | single winged seed (samara), "canoe paddle" shaped, base is pointed |
| Fall Color | yellow |
Site Characteristics
USDA Zones
 |
pH Levels | Salt Tolerance |
| Min | 2a |
Min | 4.6 |
Soil | Intolerant |
| Max | 9a |
Max | 8.1 |
Spray | Intolerant |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Tolerant |
Moderate |
No |
Species Status
| Nebraska Native |
|
| U.S. Native |
|
| Region of Origin | United States, Canada |
| More Information | Visit External Site |