Green Ash
Fraxinus pennsylvanica
Oleaceae
Photo by Placeholder via System Generated • CC0 (2025-05-28)
Description
Green Ash is highly adaptable and was widely planted in Buffalo as a street tree. Like other ashes, it's threatened by the Emerald Ash Borer. It's distinguished from White Ash by its smaller size and tolerance of wet conditions.
Characteristics
Leaf Type
compound
Leaf Shape
pinnately compound with 7-9 narrower leaflets
Height
50-60 feet
Bark
gray with narrow diamond-shaped furrows
Fruit
narrow samaras in clusters
Identification Tips
- • Leaflets narrower than White Ash
- • More tolerant of wet conditions
- • Leaf undersides may be hairy
- • Smaller overall than White Ash
- • Male and female flowers on separate trees
Seasonal Changes
Spring
Flowers before leaves emerge
Summer
Light shade from compound leaves
Fall
Golden yellow fall color
Winter
Gray furrowed bark visible
Habitat & Growing Conditions
Hardiness Zones
2, 3, 4, 5, 6, 7, 8, 9
Soil Preference
adaptable, wet to dry, poor soils
Sun Requirements
full sun
Image Gallery
Leaves
Photo by Placeholder via System Generated • CC0
Winter
Photo by Placeholder via System Generated • CC0