What are different kinds of Zoysia grass?

Zoysia has three different kinds of grass. There is the amazoy, emerald, and zenith. The amazoy is a grass for both cold and warm weather that is dark green in color and has a very tight growth pattern. The emerald is a grass that is for warm weather only and requires higher maintenance. It has a deep green color and a medium leaf blade. The zenith grass is drought resistant and has a deep green color and is good for cold weather.