Q: Last year powdery mildew spread across most of my garden including my pumpkin and squash patch. Do the spores overwinter in soil? Will turning soil help? Anything that should avoided at all costs? ...

Powdery mildew is a fungal disease affecting many plants, causing a white or gray coating on leaves and slowing growth. The fungus thrives in warm, dry weather with high humidity, especially in ...

“Help, my plant is covered in a white, powdery fungus! What do I do?” First, don’t panic. While powdery mildew may not look pretty, it rarely causes significant damage except in cases of severe ...