Black Walnut — Juglans nigra
High, confirmed by the distinctive dark brown color, characteristic ring-porous end grain structure, and texture typical of American Black Walnut. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1,010 lbf (Medium)
Durability
Durable to Very Durable, with good resistance to rot and decay, though susceptible to insect attack in sapwood.

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Grain Pattern

Straight to slightly irregular grain with a medium texture; the end grain clearly displays distinct growth rings with porous ring-porous or semi-ring-porous arrangement typical of walnut.

Color & Appearance

Rich dark brown to purplish-brown heartwood with a contrasting paler yellowish-grey sapwood. Exhibits good natural luster and deepens slightly in warmth over time with light exposure.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable to Very Durable, with good resistance to rot and decay, though susceptible to insect attack in sapwood.

Value & Sustainability

Estimated Market Value
$6.00 to $15.00+ per board foot depending on grade, width, and figure.
Wood Age Estimate
Estimated several decades based on the rich oxidation patina and deep color maturity.
Sustainability Status
Not listed on CITES appendices and not on the IUCN Red List; widely available from managed domestic forests.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, and turned objects.

Geographic Origin

Eastern North America

Workability

Exceptional workability; glues, stains, and finishes very well. Moderate blunting effect on cutting edges.

Finish Recommendations

Takes oil, lacquer, shellac, and polyurethane exceptionally well, enhancing the deep chocolate tones.

Notable Features

Possesses a rich natural appearance, moderate weight, excellent dimensional stability, and classic shock-resistance properties.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 18, 2026