Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide can be used year round (temperatures between 32F and 95F) to control insects, mites, and fungus. This product is safer for plants because it is 99% pure unsulfonated residue. Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide works on all developmental stages of listed mites and insects. With no known resistance, no post-harvest restrictions, and almost completely odor free Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide provides excellent control for disease and pests while reducing the possibility of phytotoxicity.