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; excellent resistance to rot and moderate resistance to subterranean termites.

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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; excellent resistance to rot and moderate resistance to subterranean termites.

Value & Age

Estimated Market ValueNot an official valuation

8.00 to 15.00 USD per board foot

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

Wood Age Estimate
Recently harvested logs showing fresh end-grain oxidation and weathering on the bark.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and turned objects.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Takes oil, lacquer, and varnish exceptionally well to highlight rich chatoyance.

Notable Features

Prized for rich dark color, shock resistance, and a natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 31, 2026