Leafscorch (also called leaf burn, leaf wilt, and sun scorch) is a browning of plant tissues, including leaf margins and tips, and yellowing or darkening of veins which may lead to eventual wilting and abscission of the leaf. Hollyleafscorch is the result of winter damage to your holly bushes, but won't always appear until the last cold snaps are over.Leafscorchinginholly appears most often when the ground is frozen and drying winds or bright sun is prevalent. They do not need to be watered in normal conditions, but if your area is experiencing a drought, you should give your holly bushes at least 2 inches (5 cm.) of water per week. Can scorchedleaves recover? Once leafscorch has occurred, there is no cure. Leafscorch is a common disease of the Nellie Stevens holly tree and is characterized by the browning of the foliage between the veins and along tips and margins. As the disease progresses, entire leaves wither and brown and there is general dieback of the tree. Ideally, you'll catch leaf-tip burn early enough that the plant's appearance won't be completely ruined. These are the factors that can potentially cause leaf-tip burn: The Causes of LeafScorching. Holly bushes are known for their glossy leaves and vibrant berries, and should be pruned after they have begun to form new berries, rather than after a blooming period has ended. To prune holly bushes, consider signs like overgrown branches and lack of sunlight. LeafScorchingin Shade Trees. Leafscorchin plants can be attributed to biotic agents or abiotic stresses (10). Abiotic (or environmental) stresses that can cause leaves to scorch include moisture extremes, wind, salt, air pollutants, toxic metals, and nutrient extremes. Leaf-tip browning or leaf-scorching can occur in many houseplants and is often a symptom of a bigger problem. In the most severe cases, sometimes the plants entire leaf will turn brown or black — which is a signal that your beloved needs some help. Leaf Miner – The hollyleaf miner can cause unsightly yellow to brown trails throughout the center of leaves. Infested foliage should be destroyed and treatment with a foliar insecticide is often required for leaf miner control. Holly Tree Disease. How do you treat hollyscorch? Treating Hollies with LeafScorch Reducing plant drought stress by watering regularly through dry periods and into fall will help keep your holly's tissues hydrated through the winter. Adding several inches (8 cm.). If you see leafscorching on your houseplant shortly after feeding a large dose of plant fertiliser, there is probably an issue with your fertiliser. Immediately flush the plant's soil with clean water multiple times to remove accrued fertiliser salts and avoid this mistake in the future. Holliesscorch during the late winter due to rapid and wide temperature fluctuations. Shade plants during the winter to prevent the problem. Purple blotches on the leaves are caused by some environmental factor such as nutrient deficiencies, drought, and winter injury. Leafscorching typically occurs on the outer leaves that are the most exposed to the sun. The leaf tips and edges are particularly prone to sunburn; they turn white or brown and become dry and brittle. If the intense sun exposure persists, entire leaves may turn brown and crispy.