Scientific Name
Fraxinus americana
Common Name
White ash

Characteristics

Family
Oleaceae--The Olive Family
Origin
Native NC
Plant Description
Deciduous tree to 80 feet; leaves opposite, once pinnately compound, mostly 7 leaflets, finely saw-toothed or almost without teeth, lowers surface whitish; flowers April to May, sexes separate on separate trees, both sexes nondescript, small and not often noticed; fruit maturing August, a one-seeded, winged samara (1-2 inches long, with narrow wings not extending down along the seed body), held in drooping clusters.
Ornamental Characteristics
Good broad-spreading form, leaves healthy and attractive, excellent yellow to purple fall color.
Landscape Use
Shade tree for large areas.
Horticultural Cultivars
Many cultivars available, 'Autumn Purple' with reddish purple fall color; there is a need for coastal-adapted ecotypes and evaluation of existing ornamental cultivars for coastal adaptation.
Availability/Propagation
Available in nurseries; propagate coastal ecotypes from seed planted in the fall.
Culture
Full sun in moist, well drained soils.
Coastal Ecology
White ash is the most widespread Ash in the eastern USA, but it is less common in coastal communities than Green ash and Pumpkin ash. Found occasionally in protected deciduous maritime forests in dry, upland sites.

Trees of the Maritime Forest, Alice B. Russell Department of Horticultural Science, North Carolina State University.
All Pictures ©1997Alice B. Russell.