Acer negundo Seeds | Box Elder
LATIN NAME: Acer negundo
COMMON NAME: Box Elder, Ashleaf Maple
Plant Profile
Box Elder (Acer negundo) is a fast-growing deciduous tree of the soapberry family (Sapindaceae), native to North America and widely naturalised elsewhere. Unusual among maples, it has pinnate leaves of three to seven leaflets, reaching 10-25 m with a broad, irregular crown. Exceptionally tough and adaptable, it colonises riverbanks and disturbed ground and is planted (and sometimes regretted) across the temperate world.
Science & Biotechnology
Research touching on Acer negundo ranges from the botany of the Acer group to practical horticulture, including seed handling, propagation and the selection of superior forms. Tree is also primary host plant for boxelder bugs, whose population dynamics have been studied partly through their close ecological association with this species. It retains a following among breeders and collectors, which keeps seed stocks in circulation.
Uses & Benefits
Box Elder works well in borders, containers and dedicated beds. Because it self-seeds prolifically and has become invasive in some introduced ranges, it is best planted with awareness of local conditions and, in some regions, best avoided in favour of less aggressive native alternatives. Beyond the establishment year, its needs are simple and few.
Maples give more than syrup and shade: the bark of several species appears in East Asian folk medicine for liver and eye comfort, and maple polyphenols, the glucitol-core gallotannins, are an active research area. Sugar maple’s mineral-rich sap remains one of the great wild tonics of the northern spring.
Growing from Seed
Box Elder grows readily from seed. A period of cool, moist stratification helps even out germination, after which seed should be sown into a loose, well-drained mix. This is one of easiest and most adaptable maples to establish, tolerating a wide range of soil and moisture conditions, and seedlings typically grow quickly once their first distinctive compound, ash-like leaves appear. Sow the seeds evenly over the surface and cover lightly in a loose, well-drained seed compost, keep the sowing evenly moist, and give the pot or tray bright light. Prick the seedlings out once they are large enough to handle, grow them on in bright light, and plant out when conditions allow.
Our Take
Once established, Box Elder, Ashleaf Maple largely looks after itself. Start with fresh seed, keep it evenly moist, and the plant does the rest itself.
Related Reading
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