Set the course for a high performance, professional grade lawn with Pennington contractors mix. This bag contains varieties that are formulated for the Southern US, so you can rest easy knowing the seed mix you buy will provide quick, dense, professional grade results. Once germinated, the grass will grow thick and full. This 20-pound bag covers up to 4,000 square feet for over seeding and 1,660 square feet for new lawns. While most grass seed companies buy their seed on the open market, we are the only major grass seed company that works directly with a network of dedicated growers. Built on decades of trust and integrity, our relationships with seed growers and their families now span multiple generations. At Pennington, we know our seed and the farmers who grow it.