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
Durable, with good resistance to heartwood decay and moderate resistance to insect attacks.

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Grain Pattern

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

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-gray sapwood, exhibiting moderate natural luster.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to heartwood decay and moderate resistance to insect attacks.

Value & Age

Estimated Market ValueNot an official valuation

6.00 to 15.00 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
Estimated 20 to 50 years based on growth ring width and modern milled board characteristics.

Common Uses

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

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Accepts oils, varnishes, and lacquers easily without requiring special preparation.

Notable Features

Prized for its rich chocolate-brown color, shock resistance, and subtle grain chatoyancy.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 24, 2026