Black Walnut — Juglans nigra
High confidence based on characteristic rich brown color, pore structure, and grain pattern typical of American Black Walnut confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Very Durable (resistant to heartwood decay, moderate resistance to insect attack)

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Grain Pattern

Straight to slightly irregular grain with a medium texture

Color & Appearance

Rich dark brown to grayish-brown heartwood with lighter pale yellowish-brown sapwood, exhibiting a moderate natural luster

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable (resistant to heartwood decay, moderate resistance to insect attack)

Value & Sustainability

Estimated Market Value
$6.00 to $12.00 per board foot depending on grade and width
Wood Age Estimate
Recently milled or fresh board, estimated less than 5 years old based on clean surface and lack of deep oxidation patina
Sustainability Status
Not listed on CITES or IUCN red list as threatened; widely available and sustainably harvested in North America

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, and turning

Geographic Origin

Eastern North America

Workability

Excellent workability with both hand and machine tools, glues, stains, and finishes very well, though can occasionally tear out on figured sections

Finish Recommendations

Takes oil, lacquer, shellac, and polyurethane exceptionally well; often finished with penetrating oils to highlight the rich natural color

Notable Features

Known for its rich chocolate-brown color, shock resistance, and stability in use

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