Step 2 of Scotts 4-Step Program. Apply in late spring (April to June) to get rid of dandelions and other major lawn weeds. Features Scotts exclusive Partical Technology. Builds thick, green turf from the roots up without burning the lawn. Do not use on St. Augustinegrass, Floratam, Dichondra, Lippia, Carpetgrass, or Bentgrass lawns. Formulation: 28-0-3. Active ingredient: 2,4-D.