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, classified as Medium.
Durability
Durable heartwood 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 lighter pale yellowish-brown sapwood, darkening slightly with age and light exposure.

Hardness (Janka)

1,010 lbf, classified as Medium.

Durability & Decay Resistance

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

Value & Age

Estimated Market ValueNot an official valuation

6.00 to 12.00 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
Kiln-dried lumber stock approximately 1 to 3 years old.

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 cleanly.

Finish Recommendations

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

Notable Features

Prized for its rich chocolate-brown color, shock resistance, and subtle natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified November 5, 2026