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 rot and moderate resistance to insect attack.

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Grain Pattern

Straight to irregular grain with a medium texture and flat-sawn growth rings.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-grey sapwood, darkening gracefully with age.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

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

Value & Age

Estimated Market ValueNot an official valuation

$6 to $12 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 to 50 years based on surface oxidation and cut appearance.

Common Uses

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

Geographic Origin

Eastern North America.

Workability

Exceptional workability with both hand and machine tools, cutting and gluing cleanly.

Finish Recommendations

Accepts oils, lacquers, and polyurethane exceptionally well to highlight its deep color.

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