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
Durable, with good resistance to decay and moderate insect susceptibility.

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Grain Pattern

Straight grain with occasional wavy figures and a flat-sawn appearance.

Color & Appearance

Rich dark brown heartwood with pale yellowish-white sapwood and noticeable worm holes.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to decay and moderate insect susceptibility.

Value & Age

Estimated Market ValueNot an official valuation

8 to 15 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 oxidation and ambient wear.

Common Uses

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

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 varnish very well, enhancing the deep chocolate grain.

Notable Features

Distinctive dark brown coloration and characteristic pin holes from wood-boring insects.

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