One of our top questions is, “How much should I water my lawn?” The short answer is: Lawns need 1 inch of water per week to stay green. That is a combined total of rainwater and water from your sprinkler. The general rule of thumb is to water infrequently, but deeply.
If you are happy with that answer, you can supplement your knowledge with an article from the Seattle Times, “How much water is too much for your lawn?”
If you really want the lowdown on watering lawn grass, the answer is… “Well, it depends.” It depends on 1) grass type, 2) site conditions, 3) soil texture and structure, 4) evaporation and 5) root depth.
Let’s start by combining #1 ...
