Scotts crabgrass preventer. Prevents crabgrass all season long. Apply in spring to prevent crabgrass, foxtail, spurge, barnyardgrass, fall panicum, goosegrass, oxalis, and other problem weeds. Fall application prevents winter weeds such as henbit, chickweed, poa annua, corn speedwell, and moss. Rain, snow, or freezing weather after application will not affect product performance. Not for use on dichomdra or bentgrass lawns. Active ingredient: Pendimethain. Glyphosate-free.