A cool season, perennial bunch grass This seed is sold as pure live seed (PLS). Pure live seed is the percentage of pure and viable seed in a given lot. Scientific name: Elymus virginicus A cool season, perennial bunch grass. Virginia wildrye will tolerate a wide range of soil textures, from coarse sands to heavy clay. It is similar to Canada wildrye in appearance, but is typically shorter in height. Grows 2-3 feet in height. Palatable and nutritious forage for large game animals such as deer. Can be mixed with warm season grasses for restoration and conservation plantings. Color may vary from green to silvery blue, and foliage often has a waxy appearance. Shade tolerant and is equally at home in open grasslands and prairies as it is in wooded sites. Seed should be planted in early fall approximately ¼ to ½ inch deep in heavy soils, and up to 1 inch deep in sandy soils.