Hi, Martha: Sounds like you have powdery mildew. Go here to read about it and learn about remedies: http://www.almanac.com/pest/powdery-mildew. Then, contact your local USDA county extension office/agent to find out whether there is more helpful information specific to your locale. You can find your agent here: http://www.almanac.com/content/cooperative-extension-services. Good luck, and thanks for asking!
Hi, Martha: Sounds like you have powdery mildew. Go here to read about it and learn about remedies: http://www.almanac.com/pest/powdery-mildew. Then, contact your local USDA county extension office/agent to find out whether there is more helpful information specific to your locale. You can find your agent here: http://www.almanac.com/content/cooperative-extension-services. Good luck, and thanks for asking!