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, offering good resistance to decay and moderate resistance to insect attack.

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Grain Pattern

Mostly straight grain with occasional irregular or wavy figuring.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-brown sapwood, developing a soft patina over time.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, offering good resistance to decay and moderate resistance to insect attack.

Value & Age

Estimated Market ValueNot an official valuation

8.00 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 30 to 50 years old based on surface wear and rich oxidation patina.

Common Uses

Fine furniture, cabinetry, architectural millwork, and interior flooring.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Accepts oil, lacquer, and varnish finishes exceptionally well with minimal surface prep.

Notable Features

Possesses a fine, medium texture with moderate natural luster and shock resistance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 27, 2026