Some of the greenest grass is achieved only by meticulous grooming and care. One of the best ways to ensure a beautiful and lush green lawn is to install an irrigation system that will regularly water the grass and keep it hydrated and healthily growing. Regular watering of the lawn can be easily forgotten and watering the grass with a hose can be uneven. Installing an irrigation system ensures that the lawn will be watered evenly and that it will be watered regularly on a set schedule. A lawn that is watered and irrigated on a set schedule will never dry up, shrivel or yellow. Another aspect of a great lawn is using weed killer. Weeds growing in the lawn can take over and leave unsightly masses of unwanted overgrowth among the grass. Weed killer ensures that the only greenery growing on the lawn is green grass. It is also a good idea to regularly mow down the lawn so the grass is kept at an even and groomed length. Groomed grass always looks more manicured than uneven or overgrown grass. Mowing ones self or hiring a landscaper to do the job will keep the lawn in tip top shape.