Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Durable, with good resistance to decay and moderate resistance to insect attack.

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Grain Pattern

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

Color & Appearance

Rich dark brown heartwood with a paler yellowish-gray sapwood, showing moderate natural luster.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to decay and moderate resistance to insect attack.

Value & Age

Estimated Market ValueNot an official valuation

8 to 15 dollars 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
Estimated 20-50 years based on surface oxidation and cut texture.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and veneer.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Takes oil, varnish, and lacquer exceptionally well without requiring special preparation.

Notable Features

Prized for its rich chocolate-brown color, shock resistance, and dimensional stability.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 17, 2026