Thyme Guard is a biodegradable broad-spectrum, contact liquid bactericide, fungicide, and insecticide. It is effective for use against sucking insects like aphids, mites, white flies, and thrips, psyllids, and doesn't generate any pest or bacterial resistance. This versatile organic product will also protect your garden from many diseases such as botrytis, powdery and downy mildew, citrus canker, citrus greening-HLB, fire blight, and more. Thyme Guard is made with thyme extract and is safe for use on all crop and food types.