Avenger Organics Weed Killer, Biodegradable, Non-toxic Ready to Use, 24 oz Spray Avenger Weed Killer - The First EPA Registered - EPA Reg. No. 82052-3 & Approved Herbicide for Organic Gardening It is non-toxic and can be used in areas near to people, pets and wildlife Works in cool & cloudy conditions (as low as 40 F), Does not stain brick, concrete or pavement Approved for Use in Organic Gardening by the U.S. Department of Agriculture's (USDA) National Organic Program (NOP) Rule EPA registered & approved, - EPA Reg. No. 82052- 3  Fast acting  visible results in less than 2 hours Made from oranges, lemons and other citrus fruits  pleasant citrus aroma