Koreanmapletrees (Acer pseudosieboldianum) look quite a bit like the popular Japanese maples, but they are hardier. The trees thrive in USDA plant hardiness zones 4 through 8. The tree is native to China and Korea, where it grows in forested areas. Koreanmaples are slow-growing and applying too much fertilizer, or one with a high level of nitrogen can disrupt their growing pattern and weaken the tree. It’s best to wait a year or two for the tree to become established and then use fertilizer sparingly. KoreanMapleTree - Beautiful Yard Addition. Best Trees For Fall Landscaping. How To GrowKoreanMaple.Red mapletrees are gorgeous specimens that provide ample shade and stunning fall color. They’re easy to grow and tolerant of many different conditions. Ullung-do Island Koreanmaple (Acer pseudosieboldianum ‘Takeshimense’) is a small deciduous tree which will grow to be 20 -25 feet tall tree, with a spread of 15-18 feet. It tends to branch low to the ground. It originates from the Ullung-do Island in the sea of China. KoreanMaple in Calgary. Discussion in 'Maples' started by Elisabeth, .This is quite a large tree to establish, I would make sure the root area is well mulched if you have cold without good snow cover. Good luck, it's a great maple! 2 KoreanMaple Cultivars: Exploring Popular Varieties. 3 Optimal Growing Conditions: Nurturing Your KoreanMaple. 3.1 Hardiness Zones: Where Can Your KoreanMaple Call Home?10.6 What are the optimal growing conditions for a KoreanMapletree? The KoreanMaple is a popular ornamental tree, grown for its beautiful foliage and attractive form. It is often used in small gardens or as a specimen tree. It prefers well-drained soil and partial sun to shade. KoreanMaple is an open multi-stemmed deciduous tree with a more or less rounded form.KoreanMaple will grow to be about 20 feet tall at maturity, with a spread of 15 feet. Koreanmaple is often a multi-stemmed, bushy tree, 15 to 25’ high and wide. No doubt, it would need staking and pruning to develop a central leader. The medium green leaves, 3 to 4” diameter, are composed of 9 to 11 (13) lobes, with narrow sinuses cut half way to the base. However, on average, a Koreanmapletree can grow at a moderate rate of about 1 to 2 feet per year. In the initial years after planting, Koreanmaples tend to establish their root system and focus on developing a strong foundation. Description. A hybrid cross of Japanese and Koreanmaples sporting green, palmate foliage that emerges bronze, becoming bright orange-red to deep red in the fall. Initially upright in growth, it gradually achieves a graceful spreading form. Minnesota's Largest Selection of Trees. KoreanMaple – Acer pseudosieboldianum. This colorful tree specimen is part of the Maple family and has gorgeous spring, summer, and fall leaf color. It is simply an outstanding smaller specimen tree. I have never seen a Koreanmaple bonsai. I have two in my yard as landscape trees and they are great trees, but the branching is rather coarse and the internodes are long. Good luck. English names: False Siebold's MapleKoreanMaple Purplebloom Maple. Plant type: Deciduous, small tree. Eventual height: 3-4 feet grown as a bonsai. Approx. 15-25 ft (5-8 m) tall within open ground after 10 years.