Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable, with good decay resistance and moderate resistance to insect attack, though sapwood is vulnerable.
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Grain Pattern
Straight to irregular grain with a medium texture, displaying a flat-sawn cathedral pattern and occasional knot clusters.
Color & Appearance
Rich dark brown to purplish-brown heartwood with lighter pale yellowish-grey sapwood visible at the edges; color tends to lighten slightly to a softer brown with prolonged UV exposure.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable, with good decay resistance and moderate resistance to insect attack, though sapwood is vulnerable.
Value & Sustainability
- Estimated Market Value
- $6.00 to $12.00 per board foot depending on grade and width.
- Wood Age Estimate
- Estimated to be moderately aged (several years since milling based on surface oxidation and dry patina).
- Sustainability Status
- Not listed on CITES appendices, categorized as least concern by the IUCN; widely available and sustainably harvested.
Common Uses
Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, and turned objects.
Geographic Origin
Eastern North America
Workability
Excellent workability with both hand and machine tools; glues, stains, and finishes exceptionally well, though care must be taken with figured areas to avoid tear-out.
Finish Recommendations
Takes oil finishes, shellac, varnish, and lacquer very well, which enhance its natural rich dark tones and depth.
Notable Features
Possesses a moderate natural luster, distinct dark heartwood contrast, and contains natural tannins that react well to traditional finishes.
