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Young paperbark maple12/12/2023 ![]() Once the weather fully warms, your tree will bud out as expected. In this case, the leafing process is usually just prolonged and slowed. In a similar process, a cold or prolonged spring can interrupt your maple tree's usual cycle. Sometimes this can cause a failed leafing followed by a successful one later in the summer or spring. Afterward, when the true spring arrives, the tree is slow to leaf because it already has used energy budding out in the winter. Then, when seasonal weather returns, the buds freeze and die. These issues are usually temporary and will solve themselves with time or perhaps another full year of growth.Ī warm spell in winter can trick your maple into budding out. Sometimes, warm snaps in winter or cold springs will slow or halt your maple tree from leafing properly. ![]() If you have a maple inappropriate for your zone, you might have to take special care to keep the tree at the proper temperature in summer or winter and properly watered throughout the year. You can find which zone you live in here. Find your species of maple to determine which zone it does well in. USDA hardiness zones are measures of which climate and weather areas a tree or plant does well in. However, it might be worth repotting or replanting small trees if you expect they have very poor soil. For large trees, it is impossible to significantly change the soil type. This means the soil holds water but does not stay sopping wet. Generally, maples prefer organic-rich relatively well-drained soils. If not, start regularly watering to help encourage proper leaf growth. Test the soil with your hand it should be moist to the touch. If your area has experienced drought or if your irrigation system is malfunctioning, your maple tree might not be leafing because of a lack of water. Maple trees usually prefer a lot of water so can be sensitive to drought or overcrowding. Tree spikes or granule top spread fertilizer are both popular and cheap ways to feed your maple tree. If any major nutrients are lacking or the acidity is improper, your tree may not bud and/or leaf.Ĭlick here for an at-home soil test from Amazon.Ĭonduct an at-home soil test to help identify which nutrient might be lacking. Maples prefer soil with the proper amount of the macronutrients of nitrogen, phosphorus, and potassium, a wide array of micronutrients such as iron, and the proper pH. Unfortunately, solving either of these issues is quite difficult but adding more water or nutrients can help lessen the impact of the problem. In terms of microclimate, exposure to high levels of pollution (such as next to a busy road) and lack of root space (such as sandwiched between concrete or asphalt elements) are common issues that can halt and slow leaf growth. For more specific recommendations, research the species you are working with. The recommendations below are just general, as there are over 100 species of maple trees. This means the right microclimate, nutrients, soil type, watering regimen, and growing zone for the species of tree in question. Initially, it is paramount to ensure that your maple tree has the proper growing conditions. In the next several subsections, we will cover both the serious and less serious causes of maple trees failing to leaf. However, sometimes the issues are far more benign such as improper growing conditions and unusual weather. Serious problems include verticillium wilt, anthracnose tree disease, root rot, insect or mite infestation, and sustained damage. Usually, when a tree leaves out slowly, improperly, or not at all, it is assumed there is a serious problem with the tree. In addition, we answer several questions related to the topic of this post. This post provides a guide to identifying the particular problem with your tree and tips for how to encourage your tree to leaf out. Keep reading the rest of this post for details on each of the above potential maple tree issues. Insect, Mite, or Bacterial Infestations.The primary causes of maple trees not leafing out are as follows: These reasons range from fungal issues, to insects, to problems with growing conditions. Maple trees fail to leaf out in the spring for many reasons. In this post, we have scoured extension offices and the internet to provide a thorough answer to your maple tree query. However, your maple tree is not properly leafing out come spring and you want to know why. This variety, and their attractive leaf shape, make them common landscape additions. Maple trees range from small ornamental trees to 100-foot behemoths.
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