Dogwood Tree Leaves Brown Spots
This should correct itself and is not anything to be alarmed about.
Dogwood tree leaves brown spots. While the leaves may brown before they fall in autumn brown leaves on a dogwood tree in other seasons is often a sign of poor health. What causes dogwood tree leaves to turn brown. Generally brown leaf tips is an indication of a watering issue though if this only happens in spring and is otherwise ok i would assume it may be related to cooler than normal temps this time of year. Crown canker is a serious disease that will eventually girdle the tree causing not only leaf drop but complete die back.
Prune out affected stems and leaves and destroy the plant material. One of the very common diseases of dogwood trees is the dogwood anthracnose which is caused by the fungus discula sp. This is a page about leaves turning brown on a dogwood tree. The infection is manifested in the form of leaf spots and stem cankers.
Simply care for as normal making sure it receives adequate water. Leaf spot diseases should be taken seriously if they result in moderate to complete leaf loss two to four years in a row. When a dogwood tree does not receive adequate water the leaves of the tree. After the discovery of dogwood anthracnose that devastated the dogwood population in the northeastern u s it has been increasingly more significant to be on alert for disease outbreaks.
Dogwood leaf scorch leaf scorch is a common problem in dogwood tress and a sign that your tree is under water stress. Caused by the fungus. Ascochyta cornicola is a fungus that appears on dogwood foliage after unusually rainy springs. Dogwood anthracnose is the most common disease that affects dogwood trees.
Three leaf spot diseases that show themselves in varying degrees are dogwood anthracnose spot anthracnose and powdery mildew. Leaf spot disease also occurs on twigs and buds. It causes brownish tan spots on foliage especially on shaded trees after heavy rains in the warm seasons. The initial symptoms appear as medium to large purple bordered leaf spots and scorched tan blotches.
Leaf scorch a variety of environmental stressors can cause an alarming curl known as leaf scorch in dogwood leaves. Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis.