// SPECIES PROFILE · TREE · NATIVE

Blue ash

Fraxinus quadrangulata

Blue ash (Fraxinus quadrangulata) is a tree in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–9a. Mature size 32'–80'. Blooms Apr–May.

// QUICK FACTS

Family: —
Group: tree
Native range: Native to 18 U.S. states, including AL, AR, GA, IA, IL, IN…
USDA hardiness: Zones 2b–9a
Mature size: 32'–80'
Sun: Part shade
Water: —
Bloom: Apr–May
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Blue ash (Fraxinus quadrangulata) — *Fraxinus quadrangulata* — Blue ash. Photo by Mason Brock (Masebrock) via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Blue ash (Fraxinus quadrangulata) is a tree in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–9a. Mature size 32'–80'. Blooms Apr–May.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, blue ash pairs naturally with: Black Cherry (Prunus serotina), Black Locust (Robinia pseudoacacia), Black Walnut (Juglans nigra), Black Willow (Salix nigra).