Winter Ryegrain, Secale cereale. Winter Ryegrain is a cereal ryegrain that produces large quantities of organic matter. 36-72” tall. Will grow on any soil. Extremely cold hardy. Great pollen source for ladybugs in spring. Use 90-160 lb./acre. Sold by the pound. Type the amount of pounds wanted into the quantity box.                      20% DISCOUNT ON 50 LBS OR MORE.