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

Straight grain with a medium texture and occasional irregular cathedral growth ring patterns.

Color & Appearance

Rich dark brown heartwood with a contrasting pale yellowish-white sapwood, darkening with age and light exposure.

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

$6 to $12 per board foot for standard kiln-dried lumber, varying by log quality.

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Freshly cut log, estimated less than one year since harvest based on moist end grain and intact bark.

Common Uses

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

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Accepts oil, lacquer, and polyurethane exceptionally well without requiring special preparation.

Notable Features

Possesses a rich natural luster, high shock resistance, and moderate weight with distinctive dark heartwood coloration.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 19, 2026