Pre-emegent broadleaf and grassy weed control in established turfgrasses (excluding golf course putting greens), lawns and sod nurseries, ornamentals and Christmas tree farms. Low use rates provide efficient control of crabgrass, Poa annua, goosegrass and key annual broadleaf weeds. May be applied for season-long control. Low solubility and volatility stays in the weed germination zone. Low-staining formulation.