Black Walnut — Juglans nigra
High. The chocolate-brown color, distinct grain structure with large open pores, and the presence of light-colored sapwood are diagnostic of Juglans nigra. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America (United States and Canada)
Hardness
1010 lbf (Medium)
Durability
Very Durable; heartwood is highly resistant to decay and moderately resistant to insect attack.

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Grain Pattern

Usually straight but sometimes irregular or wavy; notable for its large pores and cathedral figure on flat-sawn surfaces. This sample shows some feathered and swirled grain near the base.

Color & Appearance

Heartwood ranges from a lighter pale brown to a dark chocolate brown with even darker streaks. Sapwood is pale yellow-gray to nearly white. This sample displays significant chatoyancy and high luster.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable; heartwood is highly resistant to decay and moderately resistant to insect attack.

Value & Sustainability

Estimated Market Value
$12.00 - $20.00 per board foot depending on figure and width
Wood Age Estimate
Freshly turned or recently finished; the wood lacks the lightened/grayed patina of historical walnut but shows deep oxidation typical of heartwood.
Sustainability Status
Not listed in CITES Appendices or on the IUCN Red List; generally considered sustainable and widely available.

Common Uses

High-end furniture, cabinetry, interior trim, flooring, gunstocks, musical instruments, veneer, and wood turning (bowls).

Geographic Origin

Eastern North America (United States and Canada)

Workability

Excellent workability with both hand and machine tools; glues, stains, and finishes very well. Can sometimes have tearout in areas of irregular grain.

Finish Recommendations

Tung oil, linseed oil, or polyurethane to enhance the natural dark tones. Food-safe mineral oil or beeswax is recommended for turned bowls used for food.

Notable Features

Faint, pleasant, spicy scent when being worked; contains juglone which can be an allergen for some; famous for its excellent dimensional stability.

Learn more about Black Walnut in the Wood Encyclopedia
Identified July 8, 2026