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Black Ash

Fraxinus Nigra

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Overview

Black Ash (Fraxinus nigra) is a deciduous tree native to wetlands and swampy areas, preferring moist, acidic soils. It typically grows 40-60 feet tall, with a trunk diameter of 16-24 inches. Recognized for its straight-grained wood, the species features compound leaves with 7-11 leaflets and distinctive black buds. Adaptable but vulnerable to Emerald Ash Borer, it offers yellow fall foliage and supports local wildlife. Ideal for naturalistic landscapes.

Sun FullWater Extra in Summer, MediumZones 3–8Type TreeClimate Temperate
Black Ash (Fraxinus Nigra) — which makes it a compelling choice for riparian buffers or rain gardens

Culture

Sun
Full
Water
Extra in Summer, Medium
USDA zones
3–8

Shape & size

Mature height
60–70 Ft.
Mature width
40–60 Ft.

Classification

Type
Tree
Family
Oleaceae
Climate
Temperate

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Photos (54)

Black Ash (Fraxinus Nigra) — Black Ash trees bear either male or female flowers
Black Ash (Fraxinus Nigra) — They emerge a soft green in spring
Black Ash (Fraxinus Nigra) — with a canopy spread of 20 to 30 feet
Black Ash (Fraxinus Nigra) — with the latter producing winged seeds that are disseminated by wind
Black Ash (Fraxinus Nigra) — offering a seasonal display
Black Ash (Fraxinus Nigra) — turning to a pale yellow or golden bronze hue come fall
Black Ash (Fraxinus Nigra) — ensure adequate space is provided for growth and consider its preference for wetter soil conditions
Black Ash (Fraxinus Nigra) — Recognized for its straight-grained wood; forming a distinctive corky and ridged texture.<br><br>Being dioecious
Black Ash (Fraxinus Nigra) — acidic to neutral soils and are often found along swamps
Black Ash (Fraxinus Nigra) — Adaptable but vulnerable to Emerald Ash Borer, it offers yellow fall foliage and supports local wildlife
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Fraxinus Nigra
Photographs by 6 contributors

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