Box elder

Acer negundo | Also known as: Ash-leaved maple, Ashleaf maple | Rating: 0 votes | Print / Pdf

Box elder: I always remember the name of this tree by simply imagining packaging up my Grandad and sending him off in the post.

Acer negundo or Box elder is a species of North American maple. It's a fast growing but short-lived tree. It often has several trunks. It has green branches and oval leaves, light green, turning yellow in the autumn. It has winged fruit that hang from the tree in clusters. In spring it grows small hanging flowers that are a yellowy green colour. It is known as Box elder as the wood from this tree is a white colour, similar to boxwood.

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Known dangers?
  • no
Height [m]
  • 10 - 15
Spread [m]
  • 12
Dominant flower colour
  • Green
Flower Fragrance
  • No, neutral please
Flowering seasons
  • Early spring
  • Mid spring
Foliage in spring
  • Green
Foliage in summer
  • Green
Propagation methods
  • grafting
  • seed
  • budding
  • Acidic
  • Neutral
  • Alkaline
Hardiness zone
  • Z5-8
Heat zone
  • H8-3
Winter temperatures [°C]
  • -29 - -7
Heat days
  • 7 - 120
  • well-drained but frequently watered
Soil type
  • sandy
  • Clay
  • chalky
  • loams
Sun requirements
  • Full sun
  • Partial shade
  • Sheltered
Standard category
  • Trees & shrubs
  • Shrubs
Grown for
  • Ornamental Foliage
Creative category
  • Kid Approved
  • For Beginners
  • Show-offs
Garden type
  • Woodland
  • Park
  • City
Garden spaces
  • Specimen
Gardening expertise
  • beginner
Time to reach full size
  • up to 20 years
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