X-Seed Ultra Premium Quick and Thick Lawn Seed Mixture, 20-Pound Germinates fast, fills in for a thick turf For sun and shade areas in central and northern regions of the U.S. Comes back year after year Covers 14,000 square feet for existing lawns, 7,000 feet for new lawns Contains 55% blend of turf-type Perennial Ryegrass, 30% Fine Fescue, and 15% Improved Kentucky Bluegrass