Black Walnut

Juglans nigraHardwood

Black Walnut

Grain Pattern

Straight to slightly irregular with a semi-porous texture; flat-sawn appearance on the curved furniture piece

Color Description

Heartwood is typically dark chocolate brown with occasional purplish or reddish streaks. Sapwood is pale yellow-gray. Patina tends to lighten and become more amber-toned over several decades.

Hardness Rating

1,010 lbf (Medium)

Durability Rating

Durable; very resistant to heartwood decay, though susceptible to insect attack (sapwood)

Common Uses

High-end furniture, cabinetry, veneer, gunstocks, interior trim, and musical instruments

Geographic Origin

Eastern and Central North America

Market Value & Sustainability

Estimated Market Value

$12.00 - $18.00 per board foot for select grade

Wood Age Estimate

30-50 years based on the furniture style, oxidation of the finish, and the wear on the corner joints

Sustainability Status

Not listed in CITES Appendices; IUCN Red List classifies it as Least Concern, widely available from FSC sources

Workability

Excellent workability with both hand and machine tools; glues, stains, and finishes very well; can have occasional figure-related tearout

Notable Features

Distinctive mild spicy scent when worked; contains juglone; prized for its dimensional stability and shock resistance

Finish Recommendations

Oil-based finishes (tung or linseed) enhance natural color; polyurethane or lacquer for protection on furniture surfaces

Identification Confidence

High; the deep chocolate brown color, characteristic pore structure, and application in mid-century style furniture are hallmarks of American Black Walnut.

Identified on 7/6/2026