Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America, primarily cultivated and harvested in the central and eastern United States.
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 uniform, medium-coarse texture and occasional wavy or irregular growth patterns.

Color & Appearance

Rich dark brown to purplish-black heartwood with pale yellowish-gray sapwood; darkens slightly upon UV 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

6.00 to 15.00 USD 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
Estimated freshly harvested to several months old based on the green chainsaw marks and bark condition.

Common Uses

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

Geographic Origin

Eastern North America, primarily cultivated and harvested in the central and eastern United States.

Workability

Exceptional workability with hand and machine tools, gluing and finishing exceptionally well.

Finish Recommendations

Accepts penetrating oils, varnishes, lacquers, and polyurethane exceptionally well after light sanding.

Notable Features

Possesses a moderate natural luster, distinct shock resistance, and a rich, warm tone highly prized in woodworking.

Learn more about Black Walnut in the Wood Encyclopedia
Identified November 5, 2026