Zones for hardiness 3. Mulch insulates the root zone and helps retain moisture. Planting the tree in a sheltered location or near a brick wall or patio where radiant heat can warm it offers some protection. 2 Responses. You can stake your young Japanese maple tree during the first two or three years to help it grow and protect it from winds. That is accomplished by letting the tree leaf out then cutting all the leaves off. Numerous cultivars offer reddish foliage and make excellent landscape or patio specimens. They repeat until the tree grows the desired sized leaves (every succession of leaves is smaller). You can also resort to fungicides (both natural and chemical) to help fight it. Similarly, if maple leaves were still just buds, the tree should be fine. Japanese maples grow best in fairly acidic soils, so you can amend your soil if needed with pine bark mulch when you’re planting the tree. Have you ever looked at bonsai JMs? Many landscapes are built around a Japanese maple, so when they're damaged, even non-gardeners take note. Purdue University: Freeze Damage to Plants, Pruning a Tree That's Split at the Bottom. One of the most important elements of caring for your Japanese maple tree is selecting the right planting location. She holds a Bachelor of Arts in urban and regional studies. The Japanese red maple is a small but fast-growing tree which … Treat botrytis disease by avoiding over-watering the tree, pruning away and burning any infected stems or leaves, and spraying the tree with a copper-based fungicide, such as a Bordeaux mixture. Tree wrap is a polypropylene fabric that protects trees against further damage. About Japanese Maple Winter Damage. Protection from critters 4. Occasionally, Japanese maples are troubled by aphids, scale or powdery mildew, but these are easily treated and seldom kill the tree. Terry has written articles and publications for a wide range of markets and subject matters, including Medicine & Health, Eli Financial, Dartnell Publications and Eli Journals. Leaves may eventually drop from the tree and branch dieback can also occur. Feed your Japanese maple tree once each year in the spring with a well-balanced fertilizer, such as a 10-10-10 NPK (nitrogen-phosphorus-potassium). Most Japanese maple varieties can withstand minimum annual temperatures as cold as minus 15 to minus 25 degrees Fahrenheit, making them suitable for landscapes located in a wide range of climates. Choose a spot for your Japanese maple that has well-draining soil, receives full morning sunlight, and provides protection from afternoon sun and high winds. The leaves are drying up and turning brown. Ensure that the compost layer covers the canopy area on the ground and is about 1 to 2 inches away from the trunk. Sometimes frost damage is apparent almost immediately following freezing. Avoid watering your Japanese maple tree in the winter because this can damage its root system. However, Japanese maples are quite sensitive to cold temperatures, especially if a late-season cold event occurs after the tree has begun to produce vulnerable new growth for the year. Therefore, cover a small Japanese maple overnight to shield it from excess cold. 1. But that kind of damage should be temporary. Soil: Japanese maples are fairly adaptive, but prefer moist, well-drained, slightly acidic soils that contain organic matter. Applying more than one ounce of a fertilizer containing 20 percent soluble nitrogen to a tree with a branch spread of 3 feet may stimulate excessive shoot growth, making pruning more challenging. Over 1,000 varieties of this tree are in existence, each one distinct by its leaf variation. A freeze-damaged Japanese maple will generally produce excessive, weak and often upright new shoots giving the plant an unattractive, crowded appearance. This tree means a lot to me and my family, it is only two years old. Japanese red maples are popular trees in landscaping. (A late frost after the first couple of weeks of warm weather is virtually inevitable here.) Once around the tree once, and wrapped around its own end, the material will stay in place as you go around the tree … Container growing 1. 1. Please advise. × View full size in a new window. Shortly after freeze damage becomes apparent, pruning to remove dead portions of the tree is warranted, as long as no more cold events are anticipated. Due to this, it’s most likely that stems and branches may die as well. General location 2. Linda says. Learn which plants thrive in your Hardiness Zone with our new interactive map! Wrap the tree with a protection wrap for winter so that it isn't harmed by cold and frost. Inspect the stem of your tree looking for tiny holes and saw dust. Tips on Japanese maple tree care in different seasons In about a month dead foliage will be gone and you should see new growth. If I scratch a branch it is green. If a tree that's important to you lost some or all of its leaves to frost this spring, read on. got in the mid 20’s. Spread a 1-inch layer of organic compost around the base of the Japanese maple in early spring. Either way, make sure there is no threat of frost which can damage a newly planted tree. Prune your Japanese maple once every two or three years to thin out overcrowded branches. Our Japanese maple never lost all its leaves before the winter of 2019. 2. Trunk wraps are … Or leaving the sucker and the pretty Japanese maple part will eventually die off. They were a nice deep red. Receiving your Japanese maple tree 1. However, this is not always the case and with some plants, particularly woody ones, the damage may take several months to appear. Frost damage that occurs in late winter or early spring, also known as late frost damage, is characterized by damage to newly emerging shoots and leaves following freezing temperatures. I noticed that one major limb didn't have many leaves this season. The leaves are tiny to match the tree. Watch out for botrytis, a fungal disease that can cause brown spots on your tree’s leaves that turn into a furry grayish mold. Asked May 26, 2015, 6:25 PM EDT . Lots of fertilizer would be the WORST thing you could do. I have one that did the same thing this year—and last year. If frost and freeze damage is minor the best solution is to wait and see if the plant grows out of the damage. A new flush of growth usually occurs following fertilization, so if a nitrogen supplement is applied in late fall it will stimulate vulnerable new growth in winter or early spring. Japanese maples like loose soil that drains well. Many of … The growers continue to let the tree grow leaves and then they cut them off. These Jack Frost maple trees thrive in USDA zone 4 in temperatures down to -30 degrees Fahrenheit (-34 C.). During the first growing season following damage, only shoots growing completely vertically or toward the center of the tree are pruned out. Oftentimes, it may take a few days for damage to become evident, and is usually characterized by browning of new growth, particularly leaves and needles. Exposed tender new growth is susceptible to frost and freeze damage in spring. If you have aphids on your tree, spray the tree with an insecticidal soap according to the directions on the label. Your tree will be fine - losing leaves willl not harm it. Light-colored tree wraps can be used in the winter to help reflect the light off of the bark, reducing the warming of the cells and potential damage. Instead, keep the mulch a few inches away from the trunk. Feed your Japanese maple tree once each year in the spring with a well-balanced fertilizer, such as a 10-10-10 NPK (nitrogen-phosphorus-potassium). Thank you. Typically, those are only resorted to on commercial plants and bushes like roses and wheat. Most Japanese maple varieties can withstand minimum annual temperatures as cold as minus 15 to minus 25 degrees Fahrenheit, making them suitable for landscapes located in a wide range of climates. If your Japanese maple had only buds when hit by frost, they should be OK. During the first growing season following damage, only shoots growing completely vertically or toward the center of the tree are pruned out. Produce excessive, weak and often upright new shoots giving the plant an unattractive, crowded.. Mine got frosted just a few days ago and look really bad business-to-business newsletters and a plethora of articles... Likely that stems and branches may die as well or near a brick wall or patio specimens a month needed... 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