A DIY website that bears the name of a popular home renovation celebrity has a piece about when and how to water the grass. In response to a question posed by a homeowner, the writer states the grass should be watered in the early morning. Watering later in the day increases the chances of the water being evaporated. The homeowner should only apply one inch of water a week, divided into two or three sessions. The owner might want to consider landscaping methods that require only rainfall, to avoid watering altogether.
Read more: Solved! The Best Time to Water Grass
Additional Resources: Smart Landscaping: A Guide to Water-Efficient Irrigation