Alternative Step 1 of the Scotts 4-Step annual program. Safe for seeding. Also prevents crabgrass, dandelion, common chickweed, ground ivy, yellow nutsedge, and more for up to 6 weeks. Apply when planting grass seed. Ideal for use on Kentucky Blugrass, Tall Fescue, Perennial Ryegrass, Centipedegrass, as well as fine fescues. Covers up to 5000 Sq. Ft.