What's Wrong With My Hydrangea?
French hydrangeas may be water hogs, but extended periods of wet weather can cause them big problems. Suddenly, their pristineleaves become spotted, curled, and dusted with powder. The problems are often worst in shady areas with crowded garden beds and stagnant air. Cercospora leaf spot. Photo: programs.ifas.ufl.edu/.Credit: programs.ifas.ufl.edu/ Small brown or purple spots appear on the leaves. Lower leaves are affected first. Then the disease moves up the plant as splashing water from rain or sprinklers spreads the spores....