USDA: 7b-10
Frost Tolerance: Hardy to 5° F (-15° C)
Heat Tolerance: Excellent in Phoenix
Sun Exposure: Full sun to part sun
Origin: Chihuahuan desert in Northeastern Mexico, Texas
Growth Habits: Large shrub or small tree, mostly evergreen, growing to 18 feet tall (5.4 m) and 15 feet wide (4.5 m)
Watering Needs: Drought tolerant when established, but looks better with some water in late spring and summer.
Drawings by Shull (b.l.) U.S.D.A. Forest Service.
This Ash was named greggi for Josiah Gregg, an explorer.
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