Black Walnut — Juglans nigra
High; the combination of chocolate-brown hues, diffuse-porous cathedral grain, and specific texture is highly characteristic of North American Black Walnut. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern United States
Hardness
1,010 lbf (Medium)
Durability
Very Durable; rated as very resistant to heartwood decay, though susceptible to insect attack.

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Grain Pattern

Usually straight but can be irregular; features a medium texture and moderate natural luster. The sample shows a flat-sawn cathedral pattern with some slight wavy figure and a few small knots.

Color & Appearance

Heartwood ranges from a lighter pale brown to a dark chocolate brown with darker brown streaks. Sapwood is pale yellow-gray to nearly white. Color tends to lighten/golden over time with UV exposure.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Very Durable; rated as very resistant to heartwood decay, though susceptible to insect attack.

Value & Sustainability

Estimated Market Value
$10.00 - $18.00 per board foot depending on grade and width
Wood Age Estimate
Modern lumber, likely kiln-dried and surfaced within the last 1-5 years based on the lack of deep oxidation and standard milling marks.
Sustainability Status
Not listed in CITES Appendices or on the IUCN Red List; widely available and generally sustainable.

Common Uses

Furniture, cabinetry, gunstocks, interior paneling, veneer, turned items, and other small wooden objects and novelties.

Geographic Origin

Eastern United States

Workability

Easy to work with both hand and machine tools. It planes smoothly, glues, stains, and finishes well. It has good dimensional stability.

Finish Recommendations

Responds beautifully to oil-based finishes (tung or linseed) to enhance color, but also takes polyurethane, lacquer, and shellac exceptionally well.

Notable Features

Distinctive mild, spicy odor when being worked. Known for its excellent shock resistance and stability.

Learn more about Black Walnut in the Wood Encyclopedia
Identified July 21, 2026