Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . Downy mildew that infects cucurbits overwinters on growing plants in Florida. Every spring, spores are carried by wind and move upward into neighboring states. Different plants are affected by different strains of this pathogen, and some strains are resistant to traditional fungicides. Only expensive and restricted products can be used to save certain crops and require absolute adherence to s spray schedule. I gave