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 rot and moderate resistance to insect attack.

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Grain Pattern

Straight grain with a medium texture and occasional irregular or wavy patterns.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-brown sapwood, darkening to a warm patina over time.

Hardness (Janka)

1,010 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

6.00 to 12.00 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 5 to 15 years based on moderate surface oxidation and cut condition.

Common Uses

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

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

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

Notable Features

Prized for its rich chocolate-brown color, shock resistance, and subtle natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 21, 2026