Casoron 4G is a selective pre-emergence herbicide that kills variety of weeds and grasses. Casoron 4G should be applied before weed seed germination and emergence from the soil (usually from mid-winter to early spring). A single application will usually provide season-long weed control. Active Ingredient: Dichlobenil – 4%. Target pests: Annual bluegrass (poa annua), Bluegrass, Bull Thistle, Camphorweed, Carpetweed, Chickweed, Citron Melon, Coffeeweed, Crabgrass, Cudweed, Dandelion, Dogfennel, Evening Primrose, Fiddleneck, Florida Purslane, Foxtail, Gisekia, Groundsel, Henbit, Jerusalemoak, Goosefoot, Knotweed, Lambs quarter, Maypops, Milkweed Vine, Miners Lettuce, Natal grass, Old Witch grass, Peppergrass, Pineapple Weed, Plantain, Purslane, Ragweed, Red Deadnettle, Redroot Pigweed, Rosary pea, Russian Thistle, Shepherds purse, Smartweed, Spanish needles, Spurge, Tea weed, Texas Panicum (Hurrah grass), Wild Barley, Wild Mustard, Wild Radish, Yellow Wood sorrel. For use in: Fruit, Nut Orchards, Nurseries, Woody Ornamentals, Hybrid Cottonwood, Poplar Plantations, Commercial Buildings, Fences, Industrial areas and Recreational areas. See label for complete list. Application: 50 – 150 lbs. per acre. Manufactured by: Chemtura. Perennial Weed Control: Apply CASORON 4G as a soil surface treatment in late fall from November 15 to February 15. Old weed growth should not be removed before application. Do not make surface application to areas which have been cultivated during the fall or summer prior to application.