Green Light Rose Defense is for control of BlackSpot, Powdery Mildew, Rust, Spider Mites, and Whiteflies on Roses and Ornamental Plants. Active ingredient is clarified Hydrophobic Extract of Neem oil (90.0%). It is a botanically derived product that is biodegradable and non-toxic. Plants sprayed with Rose Defense also appears shiny and healthy. To mix use 1 ounce to 2 tablespoons per gallon of water.