Earth’s Ally 3-in-1 Plant Spray makes no compromises, effectively controlling soft-bodied insects, mites and common plant diseases with a synergistic blend of thyme, rosemary, clove and peppermint oils. The OMRI Listed® formula leaves no harmful residue on plants and can be safely sprayed on herbs and vegetables up until the day of harvest. Safe for people, pets and the planet when used as directed.