This article is a list of diseases of hydrangeas (Hydrangea macrophylla).
Bacterial diseases
Bacterial diseases | |
---|---|
Bacterial blight | Pseudomonas solanacearum |
Bacterial leaf spot | Pseudomonas cichorii |
Fungal diseases
Fungal diseases | |
---|---|
Bud and flower |
Cercospora hydrangeae |
Powdery mildew | |
Root rot |
Pythium spp. |
Rust | |
Southern blight |
Viral diseases
Viral diseases | |
---|---|
Phyllody | Hydrangea ringspot virus |
Ringspots | Hydrangea ringspot virus |
Tobacco ringspot virus | Tomato spotted wilt virus |