Side-oats-grama-Bouteloua curtipendula

Features:  This grass gets its common name from how the seed heads resemble oats and all hang from one side of the stem.  Leafhoppers and grasshoppers feed on this grass and many birds may eat the seeds.  It can spread in areas with moist soil.

Light: Full Sun

Soil: Dry

Height: 2-3 feet

Blooms: June to July

See more information and photos at: Illinois Wildflowers and USDA Plants Database

Photos from 1. Midwest Groundcovers, 2. USDA via Wikipedia