Made with natural ingredients, BurnOut® is safe for use around people and pets when used as directed. BurnOut® kills all types of actively growing weeds and grasses. BurnOut® is very fast acting, is rainproof when dry, works at temps as low as 40 deg F and does not translocate. Great for use around borders, driveways, sidewalks, around the base of mature trees, around buildings, fence lines, barns and pastures, school grounds, in greenhouses and other areas where safe, effective, non-selective weed control is desired.