Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable (good resistance to decay, though susceptible to insect attack on the sapwood)
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Grain Pattern
Straight to slightly irregular grain with a medium texture, showing distinct ring-porous end grain and radial rays visible on the cross-section.
Color & Appearance
Rich dark brown to purplish-dark brown heartwood with a narrow, pale yellowish-gray sapwood. The color tends to lighten slightly to a warm golden-brown patina over time with UV exposure.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable (good resistance to decay, though susceptible to insect attack on the sapwood)
Value & Sustainability
- Estimated Market Value
- $6.00 to $15.00+ per board foot depending on grade and width.
- Wood Age Estimate
- Estimated between 40 to 60 years based on ring count density and log diameter.
- Sustainability Status
- Least Concern (IUCN), widely distributed, sustainably managed and readily available.
Common Uses
Fine furniture, architectural millwork, cabinetry, gunstocks, veneer, and turning projects.
Geographic Origin
Eastern North America
Workability
Exceptional workability with both hand and machine tools. Glues, stains, and finishes very well, though it can occasionally tear out on figured pieces during planing.
Finish Recommendations
Takes oil finishes, shellac, lacquer, and polyurethane exceptionally well to highlight its deep chatoyance and rich color.
Notable Features
Contains natural dark pigment and rich oils; highly prized for its deep color contrast between heartwood and sapwood.
