Build your lawn with Scotts Turf Builder Thick'R Lawn Tall Fescue Mix. This 3-in-1 solution for thin, weak lawns helps turn your grass into thicker, greener turf with stronger roots in one easy application. Use this product to overseed your Tall Fescue lawn once in the late spring and once in the late summer or early fall. 2) Use a Scotts spreader to apply (use the recommended settings on the label). 3) Water daily or as needed to keep the soil surface moist for 2 weeks or until seeds germinate, then water regularly to maintain seedling growth. One 12 lb. bag of Scotts Turf Builder Thick'R Lawn Tall Fescue Mix covers 1,200 sq. ft.