Species

Black Walnut (Juglans nigra)
 
THE TREE
Natural RangeEastern U.S., in an area bounded by southern Minnesota and northern Middle Atlantic to the north, South Carolina, Georgia, Florida, and Alabama to the south, and Oklahoma, Kansas, Nebraska, and South Dakota to the west.
StatureGrow as tall as 120 feet and to diameters of more than 3 feet.
THE WOOD
AppearanceThe heartwood is light brown to a dark, deep chocolate brown, sometimes with a purplish cast and dark streaks. The sapwood is nearly a pure white. Grain is straight and somewhat pronounced.
Weight38 lbs/ft3 @ 12% moisture content
Hardness1010 lbf (kiln-dried)
WorkabilityWorked easily by hand and power tools. Finishes gracefully and takes paint and stain well. Favorable also to gluing and polishing
DurabilityResistant to dings and dents; very rot resistant.
Data: Alden, Harry A., Hardwoods of North America (Madison, WI: U.S.D.A. Forest Service Forest Products Laboratory), 1995.

Photography © Virginia Polytechnic Institute, U.S. Forest Service

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