Black Locust
Robinia pseudoacacia · Hardwood
AI-generated identification · may be incorrect- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1700 lbf (Hard)
- Durability
- Very Durable with exceptional natural resistance to rot and decay.
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Grain Pattern
Straight and coarse-textured with distinct ring-porous growth rings and occasional wavy figure.
Color & Appearance
Greenish-yellow to golden-brown heartwood with pale yellowish sapwood, darkening to deep brown with amber tones upon light exposure.
Hardness (Janka)
1700 lbf (Hard)
Durability & Decay Resistance
Very Durable with exceptional natural resistance to rot and decay.
Value & Age
4.00 to 8.00 USD per board foot
AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.
- Wood Age Estimate
- Freshly cut logs estimated at 20 to 50 years based on ring count.
Common Uses
Outdoor furniture, decking, fencing, boat building, and turned items.
Geographic Origin
Eastern North America
Workability
Difficult to work with hand tools due to extreme hardness and blunting effect, but glues and turns well.
Finish Recommendations
Penetrating oils or exterior UV-inhibiting finishes; requires careful surface prep due to density.
Notable Features
High natural oil content and distinctive yellow-green freshly cut heartwood that oxidizes rapidly.
