Bonide® 7464 Concentrate BurnOut® Fast Acting Weed & Grass Killer, 1 QtMade from natural ingredients, Burn Out is approved for organic gardening, and is safe for use around people and pets. Burn Out kills all types of actively growing weeds and grasses. Burn Out is rainproof when dry, works at temperatures as low as 40 degrees 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,