Neem Concentrate from Fertilome is a 3-in-1 multi-purpose product combining a fungicide, insecticide, and miticide and is good for organic gardening. Use on fruits, nuts, vegetables, herbs, spices, roses, houseplants, flowers, trees and shrubs. Neem will stop powdery mildew in 24 hours. It will also help defend your beautiful roses against insects, disease and mites. Neem is an effective fungicide for the prevention and control of various fungal diseases including Powdery Mildew, Black Spot, Downy Mildew, Anthracnose, Rust, Leaf Spot, Botrytis, Needle Rust, Scab and others listed on label. You should apply it at the first sign of insects/mites. It is also great for the control of Aphids, Spider Mites, Scale, Whiteflies, Beetles, Leafrollers and others listed on label. Application Rates: For Concentrate Only: As a fungicide or insecticide mix 2 tbsps. per 1 gal. of water. Spray all plant surfaces including the under sides of leaves until completely wet. | Fertilome Neem Concentrate | Size 16 oz