Blue Ash
Fraxinus quadrangulata
Last reviewed: August 2026
Light
full sun
Water
medium
Size
360"–720" H × 240"–480" W
Bloom
Apr, May
Native to
AL, AR, GA, IA and 14 more states
Pollinators
bees, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 437 programs across 44 states, each with a link to the provider and the date we last checked it.
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Blue ash is a large native shade tree that develops distinctive four-angled twigs and yellow fall color. It grows 30-60 feet tall with a broad, rounded crown that provides excellent shade for large landscapes.
In an HOA neighborhood
Blue Ash is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, street edge, mid zone.
- Very large mature size may not suit smaller lots
- Deciduous leaf drop requires seasonal cleanup
Wildlife value
This tree supports bees and beetles during its April-May blooming period. As a native ash species, it provides habitat and food sources for various wildlife.
Common questions
- How much sun does Blue Ash need?
- Blue Ash grows best in full sun conditions.
- When does Blue Ash bloom?
- Blue Ash blooms in April and May.
- Where is Blue Ash native?
- Blue Ash (Fraxinus quadrangulata) is native to AL, AR, GA, IA and 14 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Blue Ash attract?
- Blue Ash draws bees and beetles.
- Is Blue Ash HOA-friendly?
- Blue Ash is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Blue Ash? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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