Scotts® 36905 Step®-1 For Seeding, 5000 Sqft CoverageApply when seeding in spring or fall to supply a full feeding of starter fertilizer for quick turf establishment. Also prevents crabgrass and other grassy weeds. 5,000 sqft coverage 21 22 4 Works for 6 weeks Accelerates the root growth of new grass plants Also great for sod and grass plugs Apply in early spring: february april, prevents crabgrass when seeding, prevents crabgrass, barn yard & foxtail Accelerates the root growth of new grass plants.