Tag Archives: leaf blight

Cercospora Leaf Spot of Hydrangea

Received these photos of Cercospora leaf spot on hydrangea from Gerald Roberts, county agent in Lafayette Parish.  This disease is caused by the fungus Cercospora hydrangeae, which reproduces on infected leaves that have fallen to the ground. The spores produced … Continue reading

Posted in Ornamentals | Tagged , , , , , , , | 2 Comments