Made from the essential oil extracted from the thyme herb. Thyme Guard it is a 100% biodegradable broad spectrum contact and systemic liquid organic bactericide, fungicide, and insecticide for use in all crops, turf and ornamentals. Dilute into water at a rate of 0.5% (2 quart 100 gallons) to 0.125% (1 pint 100 gallons). Thyme Guard is tank mixable with most other chemicals. Do not mix with peroxides and or sulfonated. Can also be used at any me including on harvest day. OMRI listed for organic production.