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Blue Ash

Fraxinus quadrangulata

Last reviewed: June 2026

Blue Ash (Fraxinus quadrangulata)
Photo: Mason Brock (Masebrock) / Wikimedia Commons (Public domain)

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

Browse plants for this ecoregion

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.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Blue Ash fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.