These spots sometimes drop out, causing a shot hole appearance.
Affected leaves turn bright yellow and drop prematurely.
Leaf spots usually first appear when the leaves reach full size. Spot may coalesce together and cause large areas of leaves to turn brown. Mild wet weather promotes cherry leaf spot. The fungus that causes the disease survives the winter on infected leaves that fall to the ground. Spores that are released from these leaves during rainy periods in the spring may infect newly emerging leaves.