Stop weed growth while fertilizing your lawn with Green Cross® corn gluten meal. This product helps to build a thick green, drought-resistant lawn. The weed and feed should be applied in early spring or late fall and it is important to note that it must not be applied to newly seeded lawns. Sold here in a 20 lb (9.1 kg) bag that will treat 1000 sq. ft. (93 m²).