Two common diseases in both vegetable gardens and ornamental gardens are powdery mildew and downy mildew. While the two diseases have many similarities the pathogen is different, symptoms are expressed differently, and each flourish in different types of environmental conditions. Learning to prevent and recognize the symptoms of each disease is key to managing these destructive diseases. Powdery Mildew Powdery mildew is a fungal disease … Continue reading Powdery Mildew Verses Downy Mildew