White Ash, Biltmore Aash
Scientific Name: Fraxinus americana L.
Family: Oleaceae
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 725. Courtesy of Kentucky Native Plant Society.
Recommended Temperature Zone:
Sunset®: 1-11, 14-17
USDA: 5-9
Heat Tolerance: Questionable
Sun Exposure: Full sun
Origin: Eastern and central North America
Growth Habits: Deciduous tree, up to 80 feet tall or more (24 m); opposite leaves, mostly hairless, pinnately compound with 7 leaflets, 8 to 12 inches long (20-30 cm)
Flowers: Purple flowers
Watering Needs: Moderate water to regular water
Propagation: Seeds, cultivars are grafted
Propagation: Seed or occasionally cutting
- by semi-hardwood secondary cuttings, in spring. Apply IBA TALC 8000 PPM. Use intermittent mist. Root in 6-8 weeks.
- by seeds, in spring. Germinates at 70-85 degrees F. The seeds can be harvested in autumn. The seeds need cold-warm-cold stratification. The usual germination temperature is 70-85 degrees F.
Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester, PA.
Blooming Habits:
The blossom comes before the leaves. The Fraxinus americana is dioecious. There are cultivars that are seedless.
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