The cost depends on size and type. A 3-pound bag of sun and shade mixture cost about $15.00. A 7-pound bag of Kentucky Bluegrass costs about $40.00. A 20-pound bag of Northeast grass seed (a mixture of species hardy for the temperature and suitable for a general use lawn) costs about $75.00. Jonathan Green Full Sun Grass Seed, 1-Pound : Plant Seed And . Note: Available at a lower price from other sellers that may not offer free Prime . The cost of grass seed varies by the size of the area to be seeded, the coverage rate of the seed, and the cost per pound of seed. See the coverage rate, cost per . Use our calculator to find out how much grass seed you need for your . Seeding a new lawn or overseeding an established one? . Existing Lawn: 0.0 lbs. Scotts Turf Builder, 4 x 8 x 12 inches, 3 pounds, Scotts, Check Price . Zenith ZoysiaGrass Seed arrives in a two-pound bag. . feet per pound when seeding a new lawn or 700 square feet per pound when overseeding. Expert Gardener Sun & Shade Grass Seed Mixture Central; 3 lbs. Price. $6.47 . Pennington Grass Seed Annual Ryegrass, 20 lbs. Price . Pennington Ultimate Sun and Shade Grass Seed South Mixture, 7 lb bag. Price. $22.68. $3.24/lb. How Much Does It Cost To Install Grass Seed? . In general, just like any bulk pricing, the more you buy, the less you pay per pound of seed. Average cost to seed a lawn is about $400 (seeding 5000 sq.ft. with no heavy soil . Seeding your lawn costs approximately $0.05 per sq.ft. . that need improving prior to grass seed planting, $30 for 5 pounds or 1,000 sq.ft. TSC carries bulk grass and pasture seed by Pennington, GroundWork and ForageMax. Kentucky 31, Rye, Bermuda, Tall Fescue sun and shade mix and lawn . Shop our selection of Grass Seed in the Outdoors Department at The Home . Scotts Turf BuilderGrass Seed Sun and Shade Mix 7 lb. . Mayberry 25 lbs. Lawn .