In general, the best time to prune an Amur maple (Acer ginnala) or any maple tree is during the winter months and possibly in the very early spring, when the tree is dormant.Pruning the tree in May is … Popular as a small, multi-stemmed specimen tree. Thanks to a height of 20 to 30 feet and their ability to offer ample shade, Amur maple trees (Acer ginnala) function well as hedges in the home landscape. It works well as a stand alone specimen, a small tree, or you can even shear it and use it as a large shrub. Subject to chlorosis on heavy alkaline soils, and susceptible to 2,4-D injury. Amur Maple (Acer ginnala) General Description A tall shrub or small tree native to northern Asia. (Answer) Thank you for contacting the Toronto Master Gardeners. The Amur Flame Maple is a very versatile multi-stemmed shrub/tree. It is often planted as a popular ornamental tree selected for its showy keys, fragrant flowers and dramatic fall colours. Flame Amur Maple is a multi-stemmed deciduous tree with a more or less rounded form. As summer turns to fall, it's bright green leaves turn fiery red. Non-native. This tree is also adaptable to all pH levels and most soil types except finely textured soils like clay. Planting: Your Amur Flame Maple will grow in any spot in your yard that gets full sun or partial shade, but more sun will produce brighter colors in the fall. Amur maple can also tolerate urban pollution, moist to dry conditions and is not affected by soil type or pH. How to Care for an Amur Maple Hedge. This tree is perfectly suited for urban environments. The largest tree It typically grows 3-10 meters tall. 1. Amur Flame Maples do not like excessive water, so be sure to plant in a spot that is very well-draining. It grows at a medium rate, and under ideal conditions can be expected to live for 60 years or more. Flame Amur Maple is a multi-stemmed deciduous tree with a more or less rounded form. Amur maple (Acer ginnala) is a small, deciduous shrub native to the northeastern region of Asia.Though native to China and Japan, it is also found in Mongolia, Korea and in the Amur Valley in Siberia. It's small size allows you to plant it in city yards and beneath power lines. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Outstanding bright reddish fall colors are influenced by soil conditions and the cultivar grown. Amur Maple (tree form) will grow to be about 20 feet tall at maturity, with a spread of 18 feet. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. It is common for this species to grow multiple stems and for the crowns to be as wide as the plants are tall. Flame Maple Acer ginnala. It has a low canopy with a typical clearance of 5 feet from the ground, and is suitable for planting under power lines. Amur Maple is an incredibly colorful tree. 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