Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable (good decay resistance, though susceptible to insect attack in sapwood)
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Grain Pattern
Straight to slightly irregular grain with a medium texture; flat-sawn appearance with typical milling marks and rough face showing surface checking.
Color & Appearance
Rich dark brown to purplish-brown heartwood with lighter pale yellowish-grey sapwood, showing noticeable oxidation and weathering darkening over time.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable (good decay resistance, though susceptible to insect attack in sapwood)
Value & Sustainability
- Estimated Market Value
- $6.00 to $12.00 per board foot (depending on grade and width)
- Wood Age Estimate
- Estimated 20-50 years based on rough-sawn aging patina and surface oxidation.
- Sustainability Status
- Least concern IUCN status, widely available sustainably harvested from North American forests.
Common Uses
Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, and turning.
Geographic Origin
Eastern North America
Workability
Exceptional workability with hand and machine tools; glues, stains, and finishes very well, though can occasionally tear out on figured sections.
Finish Recommendations
Takes oil, lacquer, and polyurethane exceptionally well; requires minimal preparation other than sanding.
Notable Features
Prized for its rich chocolate-brown color, shock resistance, and dimensional stability.
