Black Walnut

Juglans nigraHardwood

Black Walnut

Grain Pattern

Flat-sawn cathedral grain with slight wavy figure and semi-porous texture

Color Description

Heartwood ranges from light greyish-brown to a deep chocolate brown; sapwood is pale yellow-grey. This sample shows notable cool, greyish-brown tones often seen in air-dried or steamed walnut.

Hardness Rating

1,010 lbf (Medium)

Durability Rating

Durable to Very Durable regarding decay resistance, though susceptible to insect attack

Common Uses

High-end furniture, cabinetry, veneer, gunstocks, interior trim, and turned objects

Geographic Origin

Eastern North America

Market Value & Sustainability

Estimated Market Value

$10.00 to $18.00 per board foot depending on thickness and grade

Wood Age Estimate

Modern cut (less than 10 years), likely kiln-dried or steamed based on the uniform greyish-tan color profile

Sustainability Status

Not listed in CITES Appendices or on the IUCN Red List; widely available and sustainable in its native range

Workability

Excellent workability with both hand and machine tools; glues, stains, and finishes very well, though can produce fuzzy surfaces if tools are not sharp

Notable Features

Distinctive mild, spicy scent when worked; contains juglone which can be a mild irritant; famous for its stability and steam-bending properties

Finish Recommendations

Oil-based finishes (tung or linseed) to enhance depth; clear lacquer or polyurethane for protection while maintaining the natural color

Identification Confidence

High; the characteristic cathedral arches, semi-ring-porous structure, and classic grey-brown color are definitive for Black Walnut.

Identified on 4/30/2026
Black Walnut - Juglans nigra | Wood Identifier