If you want to start a prairie garden, I recommend that you first plant Prairie Dropseed (Sporobolus heterolepsis). If you have a perennial garden, place Prairie Dropseed between the plants. It grows in whorled, arching mound, 2-3′ tall and around. In late July-early August, delicate, fragrant, airy panicles of flowers begin to emerge on stiff stems 2-3′ above the foilage; the ripe seed drops by the end of September.
To my mind it is a much better grass than Fountain Grass, which is used so often. But Fountain Grass has a rather wispy look and frequently winter kills. Prairie Dropseed has a much more robust appearance, while still appearing graceful. It is hard up into Canada.
Prairie Dropseed in Fall