When you’re pruning Japanese Maple Bonsai trees, you may want to remove the branch at the center and leave the two branches to form the “Y”. That beings said, removal of damaged or stray branches that spoil the form of the tree can be performed almost any time of year. Now I am not sure if this is even a Seiryu. When I saw this tree it was perfect . The average … First, it is extremely rare to have a dissectum grow in an upright form. Prune to remove rubbing … It is a vigorous tree with finely dissected leaves that are tolerant of heat. The tag stated it was a Japanese maple Acer palamtum dissectum Viridis. Pruning Japanese Maple Trees in 11 Steps Step 1: Know When You Have to Prune a Japanese Maple. 'Seiryu' is a very unique Japanese maple that is unlike any in the world. Almost all other dissectums grow in a cascading or weeping form. Early February is best in most states; January in southern states’ zones 7-10. The first pruning should be in mid-winter before any warmer weather has even attempted to set in. ACER PALMATUM DISSECTUM SEIRYU Characteristics This green Laceleaf Maple one of the few upright ones, almost all the others have a weeping form. Shaping Your Japanese Maples. He said it was a newer variety. There are no truly effective treatments, but for mild cases you should cut off and burn the branches. In autumn the foliage turns to a wonderful display of strong-gold, light-yellow, and crimson. The nursery man knew what I was looking for in height , where I was placing this tree . … A Japanese maple is a glorious specimen tree. Check on my japanese maple ‘seiryu’ Japanese maples may be subjected to verticillium wilt, which causes entire branches to wither and die, especially if the plant is in heavy, moist soil. Pruning - When a specific variety of Japanese maple is planted in the right size space; where it have room to grow to mature size, rarely will it require pruning. The best time to trim most ornamental and fruit trees is during the winter months while they are dormant. Its red, lacy leaves are a welcome addition to any garden, but they aren’t problem free. For Japanese maples, it is recommended to do structural pruning in the winter and wait until late spring, after the leaves come out, for fine pruning. Japanese maples can’t be pruned whenever you want to. Pruning and Trimming Weeping Japanese Maples All of the Japanese maples in the world, the Red, Weeping, Lace-leaf varieties are probably the most popular and the most sought after. There are a few Japanese maple diseases and several insect problems with Japanese maples that you should be aware of to give your tree the care it needs. Usually, people prune these types of trees because they want to provide them … This is a good time to do major corrective or training pruning. The leaves have a green color with red flaring at the boarder. I recommend pruning Japanese maple trees twice a year. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Pruning as close to the center of the “Y” is the best, leaving only a small amount at the center of the stem. That’s because they are beautiful and special in a way that you really can’t describe. When to Prune Japanese Maple Trees. T here aren’t many gardeners—beginners or experts—who don’t love a Japanese maple (cultivars of Acer palmatum, A. japonicum, and A. shirasawanum, USDA Hardiness Zones 5–8).They’re some of the most popular trees in our landscapes, offering graceful forms, vivid foliage colors, and undeniable beauty. Because it is so different, it is an incredible addition to any maple collection. First of all, you shouldn’t even consider pruning them before they’ve reached maturity. 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