Blue Ash
Fraxinus quadrangulata
Distinctive four-angled twigs and inner bark that yields a blue dye in water. Notably more resistant to emerald ash borer than green or white ash, making it a hopeful native option.
- Family
- Oleaceae
- Type
- tree
- Lifespan
- perennial
- Height
- 50–75 ft
- Spacing
- 35–60 ft apart
- Light
- sun, part shade
- Soil moisture
- moist, wet
- Soil pH
- acidic, alkaline, neutral
- Bloom
- April, May
- Bloom colors
- green, purple, brown
- Wildlife value
- songbirds
- Caterpillar hosts
- ~149 butterfly & moth species
- Landscape uses
- specimen
- Native states
- AL, AR, GA, IA, IL, IN, KS, KY, MI, MN, MO, MS, OH, OK, PA, TN, VA, WI, WV
Related native plants
More Fraxinus species
- Green Ash (Fraxinus pennsylvanica)
- White Ash (Fraxinus americana)
- Oregon Ash (Fraxinus latifolia)
- Texas Ash (Fraxinus albicans)
- Black Ash (Fraxinus nigra)
- Velvet Ash (Fraxinus velutina)