Green Dragon's Neem Oil Ready to use spray kills eggs, Larvae and adult stages of insects. The composition prevents and kills black spots. Powdery mildew, rust spider, mites, aphids, whiteflies, and other insect pests. The composition can be used on all roses, flowers, houseplants, fruits, nuts, ornamental trees, shrubs and vegetables grown in the home and garden. How to use: Shake the bottle before using to ensure proper mixture and distribution while spraying. It's important to thoroughly cover oil plant surfaces where insects are seen (including the bottom of the leaves) and to continue to spray the solution to the point that it begins to drip off the plant. Apply product every 10 to 15 days or when insects are present. Active Ingredients: Clarified hydrophobic extract of neem oil 0.9%