Treat every one or two weeks.----------------------Garlic & Pepper Spray ??? gets rid of cabbageworms, catepillars, hornworms, aphids, flea beetles, and other insects * 6 cloves of garlic * 1 tbsp dried hot pepper * 1 minced onion * 1 tsp liquid soap * 1 gallon of hot waterBlend all ingredients and let sit for 1 to 2 days.