Dogwood Tree Leaves Turning White
Among dogwood species leaf scorch is a common malady that typically attacks trees that are drought stressed or wind or heat damaged.
Dogwood tree leaves turning white. The borer is off white in color with a reddish brown head. For example leaves with powdery mildew can turn yellow. Similarly scale infection can also cause yellow leaves on dogwood trees. Dogwood trees cornus spp are cherished for long lasting spring blooms of pink white or red.
When leaves are falling off dogwood in summer it could mean a serious illness improper siting or cultivation problems. Dogwood has yellow leaves other issues. Leaf curl on dogwoods is essentially a protective reaction to stress the tree feels. If you ve planted your dogwood tree in the last 2 3 years this is completely normal your tree simply hasn t gotten its roots system completely established.
Depending on their species dogwoods thrive from u s. It is about 5 8 inch long at maturity. When a dogwood tree does not receive adequate water the leaves of the tree begin to dry with the. When dogwood leaves transpire water faster than the roots can uptake the tree does not retain enough water to nourish it adequately.
Although leaf scorch is rarely fatal to a dogwood tree it may weaken it. The female moth lays eggs on the bark. Identify the disease by the white powder on foliage. The dogwood borer synanthedon scitula is the larva immature form of a clearwing moth that resembles a wasp.
Drought and water stress drought and water stress can cause leaf scorch as discussed above or it can lead to wilting especially in recently. Provide additional moisture if required or afternoon shade noon to 5 p m. In the heat of summer and or during periods of drought the edges of leaves may turn brown. Scales are legless insects that.
Department of agriculture plant hardiness zone 3 through 9. If your dogwood s leaves were covered in a white powdery substance before they began to fade to light green or yellow and cup powdery mildew is likely the cause of your dogwood problem. It is normal to see leaves falling in autumn but you should not see a dogwood tree dropping leaves in summer. If your dogwood has yellow leaves the tree might also suffer from some other disease.
Leaf scorch is a common problem in dogwood tress and a sign that your tree is under water stress. Dogwood cornus spp is a harbinger of spring for many its large white to pink flowers smothering the plant with delicate petals even before its foliage has unfolded. To ensure the health of your dogwood tree grow it in rich well drained soil with dappled light and plenty of air circulation.