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
Very Durable against decay and moderately resistant to insect attacks.

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Grain Pattern

Straight to irregular grain with flat-sawn cathedral patterns and occasional wavy figure.

Color & Appearance

Rich dark brown to purplish-brown heartwood with pale yellowish-grey sapwood, exhibiting moderate natural luster.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable against decay and moderately resistant to insect attacks.

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 5 to 15 years based on light surface oxidation and modern milling marks.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and interior paneling.

Geographic Origin

Eastern North America.

Workability

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

Finish Recommendations

Takes oil, lacquer, and polyurethane finishes smoothly without requiring special wood preparation.

Notable Features

Prized for its rich chocolate color, shock resistance, and subtle natural chatoyance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified November 3, 2026