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 (good decay resistance, though susceptible to insect attack in sapwood)

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Grain Pattern

Straight grain with a uniform, medium texture and some subtle flat-sawn cathedral patterns visible toward the center.

Color & Appearance

Rich dark brown to grayish-brown heartwood with lighter pale yellowish-grey sapwood, showing moderate luster and darkening slightly to a warmer patina over time with UV exposure.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Durable (good decay resistance, though susceptible to insect attack in sapwood)

Value & Age

Estimated Market ValueNot an official valuation

$6.00 to $12.00 per board foot depending on grade and width

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

Wood Age Estimate
Relatively freshly milled or recently surfaced lumber, estimated at less than 5 years old based on minimal surface oxidation.

Common Uses

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

Geographic Origin

Eastern North America

Workability

Exceptional workability with both hand and machine tools. Glues, stains, and finishes very well, though it can occasionally tear out on figured sections during planing.

Finish Recommendations

Takes oil finishes, Danish oil, lacquer, and polyurethane exceptionally well, highlighting the deep rich tones of the grain.

Notable Features

Prized for its rich, natural dark chocolate color, stability, and excellent shock resistance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 15, 2026