My Dogwood Trees Leaves Are Turning Brown

You might wish to take a sample to your county extension agent for a positive identification of the problem and recommended control if any.

My dogwood trees leaves are turning brown. Although leaf scorch. To treat aschochyta blight apply a copper based fungicide when leaves begin to emerge and again in midsummer if the weather remains unusually wet and cool. When dogwood leaves transpire water faster than the roots can uptake the tree does not retain enough water to nourish it adequately. Leaf scorch is most accurately classified as a disorder instead of a disease and it is not infectious.

Unfortunately based on your description it is impossible to give you a definitive diagnosis. This disorder causes unsightly distorted and curled leaves that often have brown margins. The entire leaf is eventually engulfed turns brown and black then withers. Their telephone number is 454 0900.

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. Among the most common are both over and under watering as well as a number of diseases. Among dogwood species leaf scorch is a common malady that typically attacks trees that are drought stressed or wind or heat damaged. Blight begins with small brown centered gray spots that appear on leaf surfaces and distort leaf growth.

Ascochyta cornicola is a fungus that appears on dogwood foliage after unusually rainy springs attacking new leaves as they emerge. When a dogwood tree does not receive adequate water the leaves of the tree begin to dry with the edges becoming brittle and brown leading to leaf loss. This is a page about leaves turning brown on a dogwood tree.