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
Very Durable against decay and moderate resistance to insect attack.

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Grain Pattern

Straight grain with a medium texture and occasional wavy figure.

Color & Appearance

Rich dark brown to chocolate heartwood with a paler yellowish-gray sapwood; lightens slightly with age.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Very Durable against 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 10 to 30 years old based on surface oxidation and dry patina.

Common Uses

Fine furniture, cabinetry, architectural millwork, and gunstocks.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

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

Notable Features

Possesses a rich natural luster, good dimensional stability, and shock resistance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 23, 2026