This is one of the most recognizable and well known of the plant diseases that affect both ornamentals and crops. It’s very widespread and most severe in warm, dry climates. Powdery Mildew Host Plants Nearly any plant can be host to this blight. Powdery mildew is actually several species of fungi that affect nearly all … Continue reading Identify, Prevent and Treat Garden Problems: Powdery Mildew Fungal Disease