Black Walnut
Juglans nigra • Hardwood
Grain Pattern
Usually straight, but can be irregular with curly or wavy figure; exhibits a medium texture and moderate natural luster.
Color Description
Heartwood ranges from light pale brown to dark chocolate brown with darker brown streaks. Sapwood is pale yellow-gray to nearly white. Often develops a rich patina and lightens slightly with age and UV exposure.
Hardness Rating
1010 lbf (Medium)
Durability Rating
Very Durable; highly resistant to heartwood decay, though susceptible to insect attack.
Common Uses
High-end furniture, cabinetry, gunstocks, interior trim, flooring, veneer, and turned objects.
Geographic Origin
Eastern United States and parts of Eastern Canada.
Market Value & Sustainability
Estimated Market Value
Approximately $12.00 to $20.00 per board foot depending on grade and width.
Wood Age Estimate
The sample shows significant surface oxidation and weathering, suggesting an age of 20-50 years or use in a reclaimed context.
Sustainability Status
Not listed in CITES Appendices or on the IUCN Red List; widely available and generally considered sustainable within its native range.
Workability
Excellent workability with both hand and machine tools. Glues, stains, and finishes very well. Can be prone to tearout if grain is irregular.
Notable Features
Distinctive mild, spicy odor when being worked. Known for excellent dimensional stability and shock resistance.
Finish Recommendations
Oil-based finishes (tung oil or linseed oil) enhance the deep color; polyurethane or lacquer provide durability for heavy-use surfaces.
Identification Confidence
Medium; the dark chocolate tones and characteristic pore structure visible in the weathered surface strongly suggest Black Walnut, though heavy weathering can mimic charred Oak or stained Ash.