Although the winter is a welcome break from that Oklahoma summer heat, those short, cold days can also cause a very brown lawn. As you think back to those warm summer days and your lush, green yard, it’s important to remember that although your lawn may now be brown, it’s not dead. Your yellowish brown grass is only temporary, and will eventually revive itself as the days become longer and warmer. However, there are a couple things you can do to help your grass speed up its n