Winter rye seeds are available for sale from seed speciality stores such as SouthernExposure.com, JonnySeeds.com and TerritorialSeed.com. Seed stores such as these sell winter rye in packages ranging from 1 pound through a 50-pound bulk sack. Winter rye seeds are also available from large box hardware and home improvement stores such as The Home Depot. As of November 2015, HomeDepot.com lists winter rye seed packets covering up to 200 square feet available in most local stores.
Another option to source winter rye seeds are large Internet retailers such as Amazon.com. Offering both 5- and 56-pound packages of winter rye seeds, Amazon.com sells a well-reviewed seed product. When shopping for winter rye seed from retailers that do not specialize in seed sales, it is important to verify that the product is winter rye seed, not winter ryegrass, a very different product.
Winter rye is a cereal grain that can be planted in the early- to mid-fall to give ground cover through the cold winter months and prevent weed and fungal growth. It sprouts quickly, spreads well, and stays dense to keep out unwanted plants. In the spring, the stalks can be tilled under to create mulch for spring and summer crops, or the plant can grow to maturity in the mid-summer for a harvest of rye grain.