Competes well with other plants, but doesn't tend to choke out other plants. Creek oats are common in Missouri creek areas and will grow in wet shade, unlike most native grasses. The attractive seed head does look like oats. Shaw Arboretum is the only source of seed at present. For dry sites.
Foliage is low, but seed stalks rise to waist high in good soil.
It has a wheatlike seed head which lasts through June, then the plant goes dormant. It has a plumelike seedhead and turns a lovely golden color in autumn. It may collapse because of its height. Some people stake it to keep it upright. Look at the distinctive three-toed seedhead that looks just like a turkey's foot.