Juglans nigra L.

Black Walnut

At Wisely

At Wisely

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Family: Juglandaceae

Genus: Juglans

Category: Tree - Deciduous

Zones: 4 to 9

Size: To 70' tall and wide

Growth Rate: Slow

Exposure: Sun

Description: 

Alternate, compound leaves to 24" with 15 to 23 leaflets. Green fruit to 2" diameter, edible nuts. Spreading open form. Difficult to transplant because of its tap root. Prefers moist well-drained soil.

History: 

Published in Sp. Pl. 2: 997 in 1753. Linnaeus refers to Catesby's Natural History Volume I Plate 67.

Native to eastern and central US and east Canada.

Introduced to cultivation in 1686.

RHS Award of Garden Merit in 2002.


Sources of Information

© 2010-12 Lisa J. Miner