Choose a hose-end sprinkler for a small-to-medium size lawn area. Check out different types of sprinklers to find the one that suits your lawn shape best. This traditional sprinkler waters in a rectangular pattern. Don’t forget to turn off a manual sprinkler. Set an oven timer to help jog your memory and conserve water. With all lawn watering, deeper, less frequent irrigation is best. This encourages grass to grow deep roots, which is one secret to growing a healthy, low-maintenance lawn.