By continuing to use this site, you accept our use of cookies. Around October or November, momiji leaves turn the most stunning bright red colour. We love the tree and hate to see it go. Japanese red maples are popular trees in landscaping. If your tree is, in fact, lacking water, give your tree this much water every week from here on out! Love it. Usually, we just look at colorful kaede / momiji, or Japanese maple leaves, in fall. Too much sun can give your tree some super crispy leaves. In the autumn, these leaves turn vibrant shades of orange, red and yellow, creating a focal point in the landscape. Abigail Rose - This is a charming dwarf maple with green leaves. The leaves turn brown and crispy around the edges, if they continue to dry out; the entire leaf turns brown and drops off. With their small stature, tremendous variety, and four-season beauty, Japanese maples offer something to see. Hello. Most plant problems give you at least some warning, but Japanese maples (and to some degree other maples) can die pretty quickly from a wilt disease called Verticillium. In some cases whole leaves can become entirely crispy and there may be some minor die-back of branches. A common problem that folks have with Japanese Maples is planting them in a space with too much sun, which in turn causes a case of crunchy foliage. When that happens, whole branches and even the whole tree can shut down pretty quickly. Doxnmomx2 08/19/2019 . The disease can stay in the soil to reinfect a new tree of the same family. How much sun does your Japanese maple get? Also try bending a few branches to see if they snap or bend. Aphids and scales are their top challengers. user-7525974 08/18/2019 . And, it’s easy to keep them happy and healthy when you meet their basic needs. Environmental leaf scorch occurs when tree leaves have literally been burned by the sun, hot temperatures or a general lack of rain. Davey uses cookies to make your experience a great one by providing us analytics so we can offer you the most relevant content. By continuing to use this site, you accept our use of cookies. When I bought it a few months ago (May), it had healthy green/yellow-ish leaves, bit most of its leaves have started to become dry and ‘crispy’ around the edges. Do you think the tree is dead? 1  A hot summer can leave even established specimens that are too exposed to sun with brown leaves, especially if other debilitating factors are present. Someone suggested heavily pruning. Perform this quick check to see if your tree is not getting enough water. Causes of Leaf Scorch If the leaves of your Japanese Maple are grey or brown around the edges, and are scorched looking and curled, but the branches are still flexible and alive, it is most likely leaf scorch. © 2020 Advance Local Media LLC. It is now about 2 – 2 1/2″ diameter, very healthy but from the beginning it seemed to develop brown, dead, crisp leaves in late summer. Browned, curled leaves on this Japanese maple are a sign the tree may be infected with Verticillium wilt disease. Hi, I have recently purchased a “waterfall” Japanese Maple tree only (first one I’ve ever purchased) and I am a little concerned about the little tree, upon arrival, the tree looked healthy but with the tip of the few leaves it has curled, crispy and burnt. The good news is aphids or scales likely won’t kill a Japanese maple, but they will put up quite the fight, turning leaves brown and causing them to fall early in the process. Japanese maples are pretty tough trees, but not immune to pest problems. If your Japanese maple suddenly has a large branch, or a pretty big section of the tree that appears to suddenly just up and die. As fall approaches, Japanese red maple leaves turn brown, wilt and defoliate. 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