Patented 2-in-1 formula kills grubs all season long PLUS promotes strong roots and thicker turf. Creates a season-long protective zone to kill grubs before they do damage PLUS increases turf root mass for thicker, stronger turf. Apply anytime spring through late summer. Also kills mole crickets and European crane fly larvae. Active: 0.25% MERIT brand insecticide plus 6-0-1 fertilizer. 12lb treats up to 5,000sq ft.