Black Walnut
Juglans nigra • Hardwood
Grain Pattern
Usually straight, but can be irregular or wavy. This sample shows flat-sawn cathedral patterns with visible small knots and semi-open pores.
Color Description
Heartwood ranges from light brown to a dark chocolate brown with darker brown streaks. Sapwood is pale yellow-gray. It develops a lustrous patina and usually lightens slightly over time.
Hardness Rating
1010 lbf (Medium)
Durability Rating
Durable to Very Durable; highly resistant to heartwood decay, though susceptible to insect attack.
Common Uses
High-end furniture, cabinetry, gunstocks, interior paneling, veneer, turned objects, and musical instruments.
Geographic Origin
Eastern North America
Market Value & Sustainability
Estimated Market Value
$12.00 - $20.00 per board foot depending on grade and width.
Wood Age Estimate
Estimated 20-50 years based on deep oxidation, surface wear, and the presence of minor checking/cracking consistent with seasoned furniture.
Sustainability Status
Not listed in CITES Appendices or on the IUCN Red List; widely available and generally sustainable.
Workability
Excellent workability with both hand and machine tools. Planes and glues well. Responds beautifully to steam bending.
Notable Features
Distinctive mild spicy scent when being worked. Known for its strength-to-weight ratio and excellent dimensional stability.
Finish Recommendations
Takes all finishes well. Danish oil or tung oil is recommended to highlight depth and natural luster without a plastic look.
Identification Confidence
High. The chocolate-brown hue, diffuse-porous structure visible in the grain, and specific cathedral figuring are diagnostic of Juglans nigra.