The Gardening Journal: How to Prevent Powdery Mildew in Your Garden

Powdery mildew is a common problem in vegetable gardens. This fungal disease affects cucumbers, squash and pumpkins, but can also show up on certain plants in perennial gardens. In this episode, Niki Jabbour offers tips on how to reduce the risk of finding powdery mildew in your gardens, and how to treat it if you do.