Place an empty can under the sprinkler to determine when an inch has been applied. If water runs off the lawn before reaching an inch, turn off the sprinkler and wait an hour before resuming. Water deeply and infrequently to encourage deep root growth. Light, frequent watering encourages shallow roots, which increase the risk of disease and stress injury. Water in the morning .
Less water is lost through evaporation and transpiration.
Don't water at midday or in the evenings . A lawn that remains damp during the night is more prone to disease. Increase shrub beds, grow a wildflower meadow, or plant ground covers such as English ivy, pachysandra and periwinkle. They look beautiful, don't need mowing and will help reduce maintenance and yard waste. By not trashing grass, you can reduce your mowing time by nearly 40 percent and spend less money on fertilizer and trash bags.