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space BLACK ASH        Fraxinus nigra space
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red Outstanding Features:
Tolerance of poorly drained sites.

Description:
Height: 30-50'
Width: 20-35'
Hardiness Zone: 3a

Ash has an upright oval crown. Leaves are pinnately compound with 7-11 leaflets, dark green with a lighter green underside. Black Ash is native to boggy sites in the Great Lakes region. It is a good tree for sites with poor drainage.

Requirements and Culture:
Requires full sun and ample moisture. Quite tolerant of poorly drained soils. Very hardy.

Limitations:
Not tolerant of severe drought. No serious insect problems. Susceptibility to ash yellows not well known.

Selected Cultivars:

`Fallgold' ­ has attractive dark green foliage with a bright yellow fall color. Tree form is upright oval. Holds foliage later in autumn than typical for the species.

Photo Credit: 1 E. Hasselkus; 2 MLA.

Minnesota Power | University of Minnesota | Northern States Power Company


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