Mature Chestnut Oaks Seem to have Blight
Our chestnut oak trees, which are mature very old trees, seem to have some sort of "blight" this spring. New leaves are turning brown and curling on the tips and then falling. We were away for a few days last week and it looked like early fall as our driveway and yard were covered with these leaves. See pictures. Any ideas about what this could be? There don't seem to be any visible insects on the leaves.
Montgomery County Maryland
You may be dealing with anthracnose, a fungal disease on your shade trees. This is favored by cool, wet, spring weather. Trees may lose a large number of leaves in the spring or early summer when weather conditions are optimum for disease development. You may also notice brown or tan lesions along the leaf veins. Although disease symptoms can be very noticeable, anthracnose rarely has a negative impact on the health of mature trees. See our Plant Diagnostic website for more information http://plantdiagnostics.umd.edu/level3.cfm?causeID=1176