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Box Elder

Acer negundo
Also known as: Manitoba Maple, Ash-leaved Maple, Flame Box Elder
DomesticBeginner-FriendlyMid-Range
Janka Hardness
720 lbf
3.2 kN
Density
485 kg/m³
2.03 lbs/bf
Grain
Straight with fine, even texture
Texture: Fine
Figure
Flame (pink/red streaks); burl occasional
Drying
Fast
Movement: Moderate
Origin
North America (central and eastern United States)
Sapindaceae
Plain-Language Guide

Box Elder is a weed tree with a secret: the right pieces show shocking pink-to-red flame streaks that rival any exotic for visual drama. The color comes from a fungal response to wounding — essentially the tree's scar tissue. It's the softest of the maples and has poor durability, so it's purely a decorative indoor wood. But for turning blanks and accent pieces where that flame is center stage, it's genuinely special.

Common Mistakes
  • Expecting the color to hold without UV protection — the flame fades from pink to brownish gray; use a finish with UV inhibitors
  • Treating it like Hard Maple — Box Elder is significantly softer and weaker; don't use it where structural performance matters
  • Ignoring the wet smell — the freshly cut wood has an off-putting odor; let it dry in a ventilated space before working indoors
Color & Appearance
Heartwood
Sapwood

Pale white sapwood with grayish-yellowish brown heartwood — the defining feature is dramatic pink to red streaks (called 'flame') caused by the tree's fungal defense response to wounding. The color fades to pink or brownish gray over time without UV protection.

Workability
Hand Tools
Good
Machine Tools
Good
Gluing
Easy
Finishing
Easy
Turning
Suitable
Carving
Not typically used

Easy to work with hand and machine tools — one of the softest maples. Turns, glues, and finishes well. Has an unpleasant scent when wet that mostly disappears once dry. Poor rot resistance means it must be used indoors.

Global Availability
RegionAvailability
North AmericaSpecialty importers only
EuropeSpecialty importers only
South AmericaSpecialty importers only
Africa / Middle EastSpecialty importers only
Southeast AsiaSpecialty importers only
Australia / NZSpecialty importers only
Health & Safety
Allergen Risk
Low
CITES Status
None
Notes
Maple species generally can cause skin irritation and respiratory effects. The wet wood has a distinct unpleasant odor.
Common Uses
Turning Small ornamental objects Boxes and crates Wood pulp
Sustainability: Not CITES listed. Not on IUCN Red List. Extremely common — often considered a weed tree. Most lumber comes from hobbyist sawyers and specialty mills rather than commercial operations.