Oxadiazon SC is a preemergent Control of Annual Grasses and Broadleaf Weeds in Turf, Conifer Nurseries, and Ornamentals Including Landscape Ornamental Beds on Residential Properties. Will not inhibit turf root growth or recovery, creates ideal environment for springing - no damage to labeled ornamentals. Stable liquid formulation for early application, weeks before weeds and grasses germinate - incorporated by rainfall or irrigation.