Shocked trees also need a little TLC to get them back on track. Prunus subhirtella is the botanical name for the weeping cherry tree, also called the weeping Higan cherry. My daughter has a mature cherry tree at her new house. Insufficient watering is another cause of browning leaves in trees that can be avoided and treated fairly easily. Click here for our page devoted to fungal problem. Prune your cherry trees early in the summer months, and apply a copper spray before it flowers. It blossomed a little and grew healthy leaves. Oregon. Then, one day, I went out and all the leaves were brown and dried. Crown Gall This cherry tree disease can produce galls that are too little to see with your naked eye, or they can produce galls that are as big as four inches across. Is it dying or can it be treated? Recognize it by the cankers that often ooze sap. Here are a few things you can try: Give tree roots at least one inch of water per week. This cherry tree is supposed to bear four different types of cherries. Dehydration. When most of the leaves on your cherry tree turn brown before autumn, your tree almost certainly has a fungal infection. Spots on the leaves, 1 to 3 mm in size, become yellow progressing to brown, and heavily affected leaves turn yellow and fall. Tender tissue along leaf margins is usually affected first, though any part of the leaf may turn brown if the unfavorable conditions continue. Galls look like fleshy, white swellings that quickly grow and turn brown or tan in color. Trees often suffer from transplant shock because their roots don’t have enough room to establish themselves. 1 Response. It flowered beautifully this spring but afterwards the leaves started getting brown and shriveling up. Cherry tree leaves turning brown and wilting. Asked May 14, 2018, 4:29 PM EDT. Leaf scorch develops when the plant uses water faster than it can absorb water from the soil. Trees can be completely bare by midsummer if the infection is severe. A friend said to remove them, as those were suckers and were taking the life from the top of the tree. It did have healthy stocks growing from the bottom. It's most likely to happen during drought, when high temperatures and hot, drying winds develop. Trees are more susceptible to leaf scorch when they are young, so planting trees before or after the summer in a location with partial shade is ideal for avoiding brown leaves due to sun exposure. For leaf spot, apply as leaves emerge in spring. What to Do About Newly Planted Tree Leaves Wilting, Turning Yellow or Browning. The two most common are cherry leaf scorch and cherry leaf spot. Cherry leaf spot is caused by Coccomyces hiemalis. The fungus survives in fallen leaves, so leaf removal can help prevent infection. If your cherry tree suffers drought stress or freeze damage, it may come down with Leucostoma canker. This also occurred last spring. For brown rot, apply the fungicide when buds emerge and again when the tree is 90 percent in bloom. As the name suggests, this type of cherry tree has drooping branches that lend an air of soothing grace to the landscape. Other Diseases of Cherry Trees. The symptoms differ slightly but the treatment remains the same.