Box Elder (specifically Spalted/Flamed Box Elder)
Acer negundo · Hardwood
- Type
- Hardwood
- Origin
- North America, widespread across the United States and parts of Canada
- Hardness
- 720 lbf (Soft)
- Durability
- Non-durable, highly susceptible to decay and insect attack if left untreated
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Grain Pattern
Straight to irregular grain with notable spalted fungal coloration markings and distinctive red/pink streaking (flamed figure)
Color & Appearance
Creamy white to yellowish sapwood, featuring characteristic striking red, pink, or purple heartwood streaks and black/grey spalted zones caused by fungal decay. Darkens to a warm amber over time with UV exposure.
Hardness (Janka)
720 lbf (Soft)
Durability & Decay Resistance
Non-durable, highly susceptible to decay and insect attack if left untreated
Value & Sustainability
- Estimated Market Value
- $4.00 to $9.00 per board foot depending on the intensity of the red coloration and spalted figure
- Wood Age Estimate
- Estimated recently harvested to a few years old based on fresh surface tones and minimal oxidation
- Sustainability Status
- Not listed on CITES appendices and not on the IUCN Red List; considered abundant and of least concern
Common Uses
Turning, bowls, decorative boxes, accent veneers, small furniture items, and specialty woodworking
Geographic Origin
North America, widespread across the United States and parts of Canada
Workability
Very easy to work with both hand and tools, though softer areas from spalting may require careful sanding to prevent depressions; glues and finishes well
Finish Recommendations
Takes clear finishes exceptionally well; oil-based finishes, shellac, or polyurethane enhance the vibrant red and cream contrast
Notable Features
Uniquely among maples, Box Elder frequently develops vivid red/pink fungal-induced pigmentations and black spalted lines, making highly figured pieces exceptionally prized
