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
Moderately Durable; good resistance to heartwood decay, though susceptible to insect attack.

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Grain Pattern

Straight to slightly irregular grain with a medium texture, showing subtle flat-sawn cathedral patterns and minor mineral streaks.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-brown sapwood, displaying good natural luster and darkening slightly to a warm rich patina with age and UV exposure.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Moderately Durable; good resistance to heartwood decay, though susceptible to insect attack.

Value & Age

Estimated Market ValueNot an official valuation

6.00 to 15.00 USD per board foot depending on grade and width.

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 to be moderately aged, around 10 to 30 years based on surface oxidation and patina.

Common Uses

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

Geographic Origin

Eastern North America

Workability

Exceptional workability; cuts, glues, finishes, and turns very well, though occasional tearout can occur on figured or irregular grain.

Finish Recommendations

Takes oil, varnish, lacquer, and shellac exceptionally well, enhancing the rich deep brown tones without requiring heavy preparation.

Notable Features

Possesses a moderate natural luster, distinct dark color prized in woodworking, and stability once dried.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 15, 2026