With the Pennington 10 lb. Smart Patch Sun and Shade Grass Seed Mix, you don't need to know why your lawn has thin, bare or brown spots. Smart Patch eliminates the guesswork and frustration of lawn repairs. This grass seed mix has everything you need to fix bare spots, neutralize soil and disease problems, and grow thick, lush, water-conserving grass - even on slopes and hills. Pet damage and urine spots? No problem. Lawn disease and poor soil conditions? That's covered, too. With Smart Patch, you'll see quick results you can rely on. It's the smart choice for lawn repairs. Smart Patch Sun and Shade Mix is everything your lawn needs and more. This dynamic seeding mixture contains microbials with organic matter to fight and prevent lawn disease, patented American Ryegrass that is guaranteed to produce quick results, and a water-soluble tackifier that acts as a blanket for your seed, even protecting it against the rain on slopes and hills. Our Smart Patch seeding mixture is drought tolerant and contains just the right amount of fertilizer to help your lawn succeed, along with mulch that turns a lighter color when dry - notifying you that its time to water again. Plant this grass seed mix in the early spring or early fall and begin to see growth in as little as 5 days and full results as soon as 14 days. For optimum coverage, use 1 lb. of grass seed mix per 4 sq. ft. For extended coverage, use 1 lb. per 20 sq. ft.