Black Walnut
Juglans nigra • Hardwood
Grain Pattern
Straight but often with waves or curls; diffuse-porous with visible medium-sized pores and occasional irregular cathedral figure
Color Description
Medium to dark chocolate brown heartwood with occasional purplish or reddish streaks. Sapwood is pale yellow-gray. Darkens and develops a rich patina with age
Hardness Rating
1010 lbf (Medium)
Durability Rating
Very Durable; high resistance to decay and insects but susceptible to powder post beetles
Common Uses
High-end furniture, cabinetry, veneer, interior paneling, gunstocks, and musical instruments
Geographic Origin
Eastern North America and Central United States
Market Value & Sustainability
Estimated Market Value
$12.00 - $18.00 per board foot depending on width and grade
Wood Age Estimate
Modern sample with artificial staining or aging finish; likely 10-30 years based on surface wear and finish degradation
Sustainability Status
Not CITES listed; IUCN Red List - Least Concern; widely available with FSC certification
Workability
Generally easy to work with hand and machine tools; glues, stains, and finishes exceptionally well though it can produce allergenic dust
Notable Features
Distinctive mild spicy scent when worked; contains juglone which can be an irritant; excellent dimensional stability once dried
Finish Recommendations
Tung oil or Danish oil to bring out natural color; shellac or polyurethane for moisture protection
Identification Confidence
Medium-High; based on the deep brown heartwood, pore structure, and characteristic grain swirl visible through the dark finish