- Name: Canadian Rye - Other Common Names: Canada Rye / Canada Wild Rye / Nodding Rye - Scientific Name: Elymus Canadensis - Color: Yellow, Green - Tan, Purple - Plant Seeds: Spring Or Fall - Bloom Time: June - Aug - Hardiness Zone: 2 - 9 - Plant Height: 2 - 4' - Plant Spacing: 2 - 3' - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 500 Seeds - Other: Canadian Rye Is A Perennial Bunch Grass Native To The Prairies Of North America. Rye Is Valuable Plant With A Variety Of Uses.