Blue Ash
Fraxinus Quadrangulata
Overview
The Blue Ash (Fraxinus quadrangulata), notable for its unique, square-shaped twigs, is a deciduous hardwood tree native to the Midwest. Maturing to 50-60 feet high with a spread of 30-50 feet, it boasts compound leaves that turn striking yellow in fall. Adaptable to various soil types, it tolerates dryness and prefers full sun. Showy, purplish spring flowers give way to winged seeds, adding seasonal interest to any landscape design.
Culture
- Sun
- Full
- Water
- Extra in Summer, Medium
- USDA zones
- 4–7
Shape & size
- Mature height
- 50–80 Ft.
- Mature width
- 30–60 Ft.
Classification
- Family
- Oleaceae
- Climate
- Temperate
See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (12)












Related plants

Golden Privet
Ligustrum Ovalifolium 'Aureum'
Full · Zones 5–8

Chinese Lilac
Syringa X Chinensis
Full · Zones 4–7

Devilwood
Osmanthus Americanus
Full · Zones 5–9

White Ash
Fraxinus Americana
Full · Zones 3–10

False Holly
Osmanthus Heterophyllus
Full · Zones 7–9

Common White Lilac
Syringa Vulgaris 'Alba'
Full · Zones 4–10