The Juglans Nigra
is commonly known as American Walnut
, Black Walnut
, Eastern Black Walnut
, as well as Walnut< Go Back
Black walnut is found throughout the eastern United States. It grows as
far north as southern Minnesota, southern Wisconsin, southern Michigan,
and southern Ontario. Isolated populations occur in the southern half of
New York, Vermont, western Massachusetts, and northwestern Connecticut.
Its range extends south to northwestern Florida, and to Mississippi,
Arkansas, and Louisiana except for the Mississippi Valley and Delta
regions. In the Midwest, isolated populations occur in eastern Texas,
western Oklahoma, central Kansas, and southeastern South Dakota
]. Black walnut is cultivated in Hawaii [45
The currently accepted scientific name for black walnut is Juglans nigra
]. There are no recognized subspecies, varieties, or forms.
Black walnut and butternut (J. cinerea) often grow together but
apparently never cross naturally [43
< Go Back
Much of the information presented here is attributed to:
Coladonato, Milo. 1991. Juglans nigra. In: Fire Effects Information System, [Online].
U.S. Department of Agriculture, Forest Service,
Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available at USDA Forest Service.