Keep your roses and flowers beautiful and bug-free with Safer"s Rose and Flower Insecticide. This product utilizes the power of potassium salts of fatty acids (insecticidal soap) to kill insects on contact. The potassium salts weaken the insect’s waxy protective outer skin, and kills spider mites and other soft bodies insects. Does not kill beneficials insects such as ladybugs, praying mantis and others when used as directed.