High confidence based on the distinct dark brown heartwood contrasting sharply with lighter sapwood, and characteristic diffuse-porous grain. 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 to slightly irregular grain with a medium-coarse texture.

Color & Appearance

Rich dark brown to purplish-brown heartwood with distinct pale yellowish-grey sapwood. Exhibits moderate natural luster.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Durable

Value & Sustainability

Estimated Market Value: 8.00 to 15.00 USD per board foot
Wood Age Estimate: Recently milled lumber, approximately 1-3 years old.
Sustainability Status: Least Concern according to the IUCN Red List; widely available and sustainably harvested.

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 well.

Finish Recommendations

Takes oil finishes, shellac, lacquer, and polyurethane exceptionally well, enhancing the deep grain patterns.

Notable Features

Prized for its rich, dark color and stability; easy to work while maintaining good strength-to-weight ratio.

Learn more about Black Walnut in the Wood Encyclopedia

Identified August 29, 2026