| Scientific Name: | Fraxinus pennsylvanica |
| Common Name: | green ash |
| Family Name: | Oleaceae |
| Origin: | Canada - central, Garden origin, U.S. - northeast |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 10 - 15m x 10 - 15m (height x width) |
| Habit: | Spreading, Upright |
| Form: | Oval - vertical |
| Texture: | Medium |
| Landscape Uses: | Fall interest, Shade tree, Specimen plant, Street (boulevard tree), Tall background |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Compound, Opposite, Soft flexible, Pinnate venation, Lustrous, Pubescent, Odd-pinnate, Leaflets stalked, Elliptic, Lanceolate, Oblong, Ovate, Crenate, Entire, Serrate |
| Flowers: | Flowers clustered, Green-yellow, Dark-red, Apr-May |
| Fruit: | Samara, Green, Brown, Jul-Aug, (Persistent) |
| Key ID Features: | |
| Tree oval crown; leaves opposite, pinnately compound, leaflets 5-7(-9), most ovate-lanceolate, 5-12cm long x 2-5cm wide, glossy, olive-green; flowers purple, Apr-May; samara 2.5-5cm long x 2-6mm wide (absent on some cultivars). Winter ID: the rounded terminal bud touch the base of the first lateral buds, velvety dark brown; leaf scar crescent shaped with notch for bud; numerous tiny bundle scars form a crescent shape. | |