Black Walnut — Juglans nigra
High, confirmed by the characteristic dark brown heartwood, pore structure, and texture typical of American Black Walnut. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Durable

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Grain Pattern

Straight grain with a medium-coarse texture and occasional slight figure or growth variations.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-grey sapwood, showing moderate luster and darkening slightly to a warm amber brown over time with light exposure.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Durable

Value & Sustainability

Estimated Market Value
8.00 to 15.00 USD per board foot depending on grade and thickness.
Wood Age Estimate
Estimated between 5 to 15 years based on surface oxidation and moderate patina.
Sustainability Status
Not listed on CITES appendices, IUCN Least Concern, widely available and sustainably harvested in North America.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and interior paneling.

Geographic Origin

Eastern North America

Workability

Exceptional workability; glues, stains, and finishes well, though it can occasionally tear out during planing if interlocked grain is present.

Finish Recommendations

Takes oil finishes, Danish oil, lacquer, and polyurethane exceptionally well without requiring special preparation.

Notable Features

Stable dimensionally, moderately heavy, contains moderate natural oils, and is prized for its rich chocolaty color profile.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 17, 2026