Acer ginnala

Amur Maple

Aceraceae

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Habitat

  • native to parts of China, Manchuria and Japan
  • hardy to zone 2
  • Special Note: This species has demonstrated an invasive tendency in Connecticut, meaning it may escape from cultivation and naturalize in minimally managed areas. For more information, .

Habit and Form

  • small tree, 15 to 20' tall
  • deciduous
  • broad, rounded outline, typically multistemmed
  • medium to fine texture

Summer Foliage

  • opposite, 1.5" to 3" long
  • three-lobed with central lobe prominent
  • medium to dark green
  • early to leaf out in spring

Autumn Foliage

  • typically showy red, but can be yellow (genotype dependent)
  • colors early in fall
  • colored foliage not held particularly long

Flowers

  • small, pale yellow, in clusters in early spring
  • fragrant

Fruit

  • samaras 0.75" to 1" long
  • wings nearly parallel
  • reddish, especially in June and July
  • samaras persist in winter

Bark

  • grayish brown on truck and old branches
  • young bark is gray, smooth and has darker striations; similar to serviceberry or silverbell

Culture

  • performs best in colder climates (cool summers)
  • soil adaptable
  • easily transplanted
  • can be pruned heavily
  • full sun or partial shade

Landscape Uses

  • small specimen or patio tree
  • containers
  • hedges or screens
  • groupings or mini-groves

Liabilities

  • relatively trouble-free
  • can get verticillium wilt
  • unwanted seedlings can be problematic
  • persistent samaras; may be objectionable

ID Features

  • leaf shape distinctive for a maple
  • persistent samaras
  • terminal bud absent
  • buds rest on a small shelf

Propagation

  • by seed
  • by softwood cuttings, relatively easy for a maple

Cultivars/Varieties

'Compactum' (also known as 'Bailey's Compact') and 'Durand Dwarf' - More shrub-like than tree-like, these cultivars for dense, multi-stemmed plants usually not exceeding 5' (though larger plants are known).

Several forms have been selected for excellent red fall color and red fruit. Among them are 'Embers', 'Flame', 'Red Fruit' and 'Mandy' (Red Rhapsody™).

 

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.