Pruning is necessary to control the size and shape as the tree grows because mimosa trees have slender trunks that are susceptible to … Pruning thick branches typically result in ugly scars but by using special concave cutters you can reduce scaring effects significantly. Breakage is always a problem with this multi-trunked tree either at each crotch due to poor collar formation, or the wood itself is weak and tends to break. These trees are potentially subject to so many pest and disease problems that it is better to avoid pruning as much as you can -- each cut opens the bark and provides a possible point of entry. Where winters are mild, little pruning is needed for this vigorous and invasive tree. Dip the blades in a bucket filled with a bleach solution made with 10 percent bleach. Remove any crossing or misplaced branches in the upper third of the tree; Fourth and fifth years. To prune your acacia into a single-trunk tree, begin in the first year, trimming in early spring. Mimosas are legumes and tolerate a wide range of soils, quickly recovering from even major damage. Q: My very old mimosa tree has black gum spots on the trunk. Prune dead wood from winter-damaged mimosa in early spring. Also known simply as a silk or mimosa tree, silk mimosa is a fast grower, reaching a modest height of 15 to 25 feet with a spread of 25 to 35 feet. The seed pods that are produced after the flowers stay on the tree … Paint the pruned areas on a silk mimosa tree with a tree paint labeled for this purpose. Mimosa creates large amounts of leaf litter, blossom falls, and seed pods and cause a lot of gutter problems throughout the growing season if not cut back. Use a pruning saw or limb lopper on light damage. Should I Put a Sealant on a Cut Limb of My Japanese Maple? Branches on mimosa droop as the tree grows and will require pruning for vehicular or pedestrian clearance beneath the canopy multiple trunks. In the first year, find the central leader, which will be your trunk. Study your mimosa before you prune, and decide what shape you would like to end up with. Prune a limb back to a major branch or the main trunk, making a clean, sharp cut with pruning shears, lopping shears or a pruning saw. Personally, I think that the light airy look to the mimosa is one of it's beauties. In this how-to video, you will learn how to prune a tree yourself. This will develop into a multi-stemmed tree, mimosas are often multistemmed. Prune dead wood from winter-damaged mimosa in early spring. Best offers for your Garden - https://amzn.to/2InnD0w ----- How to Grow a Mimosa Tree. Don't be concerned about over-pruning. The canary-yellow blooms of the Flowering Mimosa Tree are a spectacular sight from January to April every year. This extra precaution helps prevent disease from spreading. The Best Places to Plant the Mimosa Tree Look for low, misshapen, damaged, unproductive and disproportionate branches to prune. Unchecked, mimosa can become a dense thicket. Clip off root suckers with pruning shears down to ground level to control mimosa's invasive habits. When a mimosa tree is planted as a street tree, remove the lower branches to allow enough room under the crown for cars to pass. He has worked as a foundryman, woodturner, electronics technician, herb farmer and woodcarver. The fungus lives in the soil. Sucker shoots spring up well away from the tree, as roots spread beneath yard and garden. You need to inspect the tree especially at lower trunks. Remove dead or diseased wood. A: It is a sad fact that mimosa trees, despite their beauty, are very susceptible to a specific disease: mimosa wilt. Prune and disinfect your pruning tool with each new cut. In areas with warm winters, even mature trees need little attention beyond removing an occasional damaged branch. Silk mimosas do not require yearly pruning so it's better to prune too little than too much. And since I was going to prune, this was also a perfect © Copyright 2020 Hearst Communications, Inc. Also, be sure to cut off any dead branches. Prune a limb back to a major branch or the main trunk, making a clean, sharp cut with pruning shears, lopping shears or a pruning saw. Prune mimosa limbs overhanging roofs in late winter when the tree is dormant. Ideal for landscapes in U.S. Department of Agriculture plant hardiness zones 6 through 9, silk mimosas are notorious for low hanging branches that can require pruning, along with other branches as necessary. Chainsaws will be needed if severe winter cold kills the tree back to the ground. Newt Pruning: Your Mimosa will not require very much attention but could benefit from some minor pruning in the fall season. Decide whether you want a tree with multiple trunks, or just one. You start by using the four D's. Mimosas should be watered deeply about 2 times per week after planting for about 3 months. Where winters are mild, little pruning is needed for this vigorous and invasive tree. Mimosa, or silk tree or silky acacia, was introduced to the Americas in the 1700s and now thrives in the zones 6 to 9. Chainsaws will be needed if severe winter cold kills the tree back to the ground. Bury a few handfuls of flower shrub or flower tree fertilizer there. The Mimosa tree sparingly needs water. Often the center of attention during summer, a silk mimosa (Albizia julibrissin) puts on a splashy, pink floral display of feathery, lace-like flowers. Departments of Agriculture: Albizia Julibrissin Durazz. Pruning of the mimosa tree takes place after the blooming because if you cut the tree in winter, you won’t have a single flower. Cut close to the branch or main trunk so you do not leave a stub. George, mimosa tends to be a short lived tree, so consider pruning large limbs with great care. Cutting back to a single main trunk provides better access for mowing. Lewis holds a Bachelor of Arts in psychology from the University of Maryland Baltimore County.