Riverbank Wild Rye (Elymus riparius)
As a cool grass plant it will only actively grow in the spring and fall when the soil is cooler. Plant in wet soil with either partial or full shade and it will thrive. It actively grows during the spring and fall when soil temperatures are cool.
Sun Exposure - Partial, Shade
Soil Moisture - Medium-Wet, Medium
Height - 4 feet
Bloom Time - June, July, August
Photo courtesy of Prairie Moon.