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 attacks.

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Grain Pattern

Straight to irregular grain with distinct growth rings and occasional wavy figure.

Color & Appearance

Rich dark brown to purplish-black heartwood with pale yellowish-white sapwood, lightening slightly over time with UV exposure.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to rot and moderate resistance to insect attacks.

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
Recently milled lumber, approximately 1-5 years old.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, 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 polyurethane very well, enhancing the deep grain patterns.

Notable Features

Prized for its rich chocolate-brown color, smooth texture, and subtle natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified November 1, 2026