ProScape® Starter Fertilizer 21-22-4 with Mesotrione is a homogeneous starter fertilizer granule impregnated with 0.08 percent Mesotrione herbicide. Unlike most herbicides, this distinctive product is ideal for use during turf establishment (bare ground seeding, sodding, sprigging or plugging), renovation or overseeding. ProScape Starter Fertilizer with Mesotrione can be used for pre-emergence control of 33 listed broadleaf and grassy weeds. This product is packaged in a 40 lb. poly bag with a typical use rate of 187 lbs./acre.