A very common ornamental grass used in landscaping in the midwest is the Karl Foerster grass or feather reed grass. It tends to grow very upright has a wonderful brown head that contrasts well with its green stalk and leaves. I really like the texture they create in the landscape and in pictures.
Details:
Camera :: Canon EOS 5D Mark III
Lens Model :: Canon EF 100mm f/2.8 Macro
Exposure :: f/2.8 :: 1/2000th :: ISO 200