Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America
Hardness
1,010 lbf (Medium)
Durability
Durable, with good resistance to rot and decay.

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Grain Pattern

Straight to irregular grain with a medium texture and occasional wavy figure.

Color & Appearance

Rich dark brown to purplish-black heartwood with pale yellowish-white sapwood, darkening with age.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to rot and decay.

Value & Age

Estimated Market ValueNot an official valuation

6 to 15 USD per board foot for standard lumber.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Freshly cut log, estimated under 1 year based on green moisture and bark condition.

Common Uses

Fine furniture, cabinetry, gunstocks, interior paneling, and veneer.

Geographic Origin

Eastern North America

Workability

Excellent workability with both hand and machine tools, gluing and finishing well.

Finish Recommendations

Takes oils, varnishes, and lacquers exceptionally well without special preparation.

Notable Features

Distinctive dark brown color, moderate weight, and good shock resistance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 19, 2026