Black Walnut (Juglans nigra)
THE TREE Natural Range Eastern 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. Stature Grow as tall as 120 feet and to diameters of more than 3 feet. THE WOOD Appearance The 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. Weight 38 lbs/ft3 @ 12% moisture content Hardness 1010 lbf (kiln-dried) Workability Worked easily by hand and power tools. Finishes gracefully and takes paint and stain well. Favorable also to gluing and polishing Durability Resistant 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