How much water does a lawn really need?
Well, while your soil type, the amount of sunshine, and the climate all come into play, a good rule of thumb is 1 to 1 1/2 inches a week. What is most important is HOW you water. You want to water deeply and infrequently to have a healthy deep rooted grass lawn. Let's say you decide on 1 1/2 inches a ... it is just as important how you water as how much you water. It is not that difficult to keep your lawn green and lush with a little planning when it comes to watering.