Grasses can work as a hedge, focal plants, textural elements in a walkway or beautiful contrasts to existing structures. There are a host of grasses to choose from, some perennial and some annual, from purple to pink to white to green. When making your selections, be sure to consider climate, maintenance and growing conditions and avoid species that can be invasive in your area. What kinds of ornamental grasses do you have in your landscape? More: Feather Reed Grass