Olive green to black, circular, scabby or velvety spots appear on infected leaves, which may yellow or redden and drop prematurely. Occurs on many hosts.
Reddish, purplish, or brown spots appear on new buds, leaves, and shoots. Spots expand and centers turn brown. Small dark specks form in the brown centers. These help distinguish shot hole from other diseases. Affects Prunus spp.
Anthracnose causes small spots on oaks and walnuts and larger spots on elm, ash, birch, and redbud. Large angular areas occur on maple and sycamore.
Round, angular, flecked, sunken, or irregular spots appear on mostly older leaves. Affects Populus spp., azaleas, and hebe.
Tiny reddish spots, sometimes surrounded by a yellow halo, appear on leaves of infected plants. Spots darken and enlarge as the leaves mature. Cream-colored specks with a glossy membrane eventually appear in the center of the spots. Affects rose family plants, including pome fruits.
