Acer ginnala is a multi-trunked, small tree valued for its small vase-like habit and vibrant autumn foliage. Amur Maple is one of the most adaptable and cold hardy of the small-sized Maples.
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F E A T U R E S |
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Form
-small tree; to 20' tall x 20' wide but often smaller
-upright vased in youth, becoming rounded or spreading with age
-medium growth rate
-the species is sold in either clump (multi-stemmed) or tree (single-leader)
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Foliage
-opposite arrangement; 3-lobed, with the basal pair much smaller than the
prominent central lobe; each of the lobes serrated and lightly incised; palmate
venation
-variable autumn color - bright yellow, orange, or red |
Flowers
-pendulous clusters of inflorescences in Apr.-May; fragrant |
Fruit
-2 joined samaras per stalk, having parallel wings
-in pendulous clusters from the stems
-may be a vibrant red in June-July and quite ornamental
-maturing to brown in Oct., winter persistent |
Twig
-gray-brown, thin; branches slightly striated |
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Trunk
-gray to gray-brown; fairly smooth |
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C U L T
U R E
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Culture
-full sun to partial shade
-prefers moist, well-drained soils but will tolerate a wide variety of soil pHs and types
-tolerant of a wide range of adverse conditions (typical of urban sites)
-fibrous root system makes it easy to transplant
-abundantly available |
Hardiness
-zones 2 to 7, very cold hardy
Origin
-native to the Orient
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U S A G E |
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Assets
-good autumn color
-multi-trunked habit
-can be pruned to "fit" a given site
Liabilities
-potential for Verticillium wilt, a serious fungal disease that causes death of whole branches and sometimes the entire plant |
Function
-foundation, group, border, or specimen small tree
Texture
-medium in foliage and when bare |
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S E L
E C T I 0 N S |
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Varieties
and Cultivars
- Search
OSU PlantFacts for additional plants in this species
Alternates
-small trees or large shrubs with good autumn color (e.g. Amelanchier,
Fothergilla major, selected Hamamelis, Parrotia persica, etc.) |