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Juglans nigra

Black Walnut

Pronunciation
JU-glans NI-gra
Pronunciation Audio
Family
Genus
Nativity

Massachusetts south to Florida, west to Minnesota and Texas.

Growth Habit

Oval to rounded large tree.

Hardiness
5
Culture

Full sun in rich, moist well-drained soil. Will tolerate dry, poor soil but grows much more slowly.

Facultative Status
Facultative Upland
Landscape Use

Large tree good for open areas and naturalizing. Nuts attract squirrels from miles around. Wood is highly valued for cabinetry.

Foliage

Alternate, pinnately compound with 15-23 leaflets. Leaflets 2-5 inch long, ovate, acuminate apex, rounded base with irregular serrations. Leaves fragra

Buds

Buds are light-brown and pubescent. Ovate, .33 inches long, laterals smaller.

Bark

Deeply ridged and furrowed. Dark-brown to black in color.

Flower

Male flowers are green catkins about 2-3.5 inches long, female flowers are less showy.

Fruit

Nut, 1.5 - 2 inch diameter. Edible.

Propagation

Seed. A squirrel could grow this plant from seed, and they do.

Pests
None serious. Plants exude juglone, a chemical that deters plant growth beneath the trees.

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