Division in the early spring is often required to restore vigor. A large group of grasses with considerable variability in height, blade width, etc. Select cultivars carefully to insure adequate hardiness and adaptation to your site. This warm season, clump-forming group is becoming more popular as new cultivars become available. Cultivars with red fall color and blue foliaged upright cultivars are popular.
Most members are warm season, clump forming grasses.
Some grasses can become weedy, especially south of Nebraska. Both annual and perennial cultivars are valuable in landscapes. Flowers are showy and are foxtail-like in their appearance. I lists grasses useful in Nebraska landscapes. For a more extensive list, see the references.