American Black Walnut — Juglans nigra

American Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Moderately Durable with good resistance to heartwood decay.

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Grain Pattern

Straight to irregular grain with a medium texture and occasional wave figure.

Color & Appearance

Rich dark brown heartwood with lighter pale brown sapwood, darkening slightly over time.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Moderately Durable with good resistance to heartwood decay.

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 30 to 50 years based on oxidation and surface wear.

Common Uses

Fine furniture, cabinetry, architectural millwork, and veneer.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Accepts oil, lacquer, and polyurethane exceptionally well with minimal preparation.

Notable Features

Possesses a rich natural luster, moderate shock resistance, and excellent dimensional stability.

Learn more about American Black Walnut in the Wood Encyclopedia
Identified October 28, 2026