|Tschonoski Maple - Acer tschonoskii|
This uncommon plant makes a rare appearance in North America. Zone: 3-9
|Native to Asia -temperate; Russian Far East: Russian Federation - Kurile Islands, Primorye; China: China - Jilin, Liaoning; Eastern Asia: Japan - Hokkaido, Honshu, Kyushu, Shikoku; Korea|
In the Northern hemisphere, maples grow in the North American temperate zone, and California, Europe and Asia. They also grow in Asia's South-Eastern tropical zone and can be found in Indonesia on Java and Sumatra, in the Philippine, mountains of Borneo and Malaysia. They grow, too, in the Mediterranean Basin, in the Balkans, on Cyprus and Crete and in Libya, Turkey, Iraq, Iran, Afghanistan and Pakistan. In Asia, they are widespread in China, Japan, Korea, Manchuria and Eastern Siberia, as well as on Sakhalin and the Kurile Islands.
This Tschonoski maple, grown from seed, is 27 years old
Red Maple is easily transplanted and usually develops surface roots in soil ranging from well-drained sand to clay. It is not especially drought tolerant, particularly in the southern part of the range, but selected individual trees can be found growing on dry sites. This trait shows the wide range of genetic diversity in the species.
Branches often grow upright through the crown forming poor attachments to the trunk. These should be removed in the nursery or after planting to help prevent branch failure in older trees during storms. Select branches with a wide angle from the trunk and prevent branches from growing larger than half the diameter of the trunk. This will help reduce storm damage. 
1. Tschonoski Maple, Morton Arboretum acc. 289-73*3, photos by Bruce Marlin
2. The Morton Arboretum, Red Maple
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Family Aceraceae - Maples
The Maples are some of our most familiar and beloved trees. Most are native to the far east: China, Japan, Korea, Manchuria. Maples produce a distinctive winged fruit called a samara, also commonly known as helicopters or whirlybirds.
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