HOW TO WATER
Proper watering techniques are important. Here are several helpful suggestions. Avoid hand watering because it cannot provide uniformity. The only possible exception to this guideline would be the need to water the surface of the grass to cool it, or to provide additional water near building or other heat-reflecting surfaces.
Understand each sprinkler has its advantages and disadvantages. Proper use is determined by the type of sprinkle you select.
IN-GROUND SYSTEMS require professional installation, routine adjustments and proper maintenance to be effective. The greatest mistake made in most in-ground systems is the “set it and forget it” philosophy that fails to account for changing seasonal water requirements to maximize turf growth or allows the system to operate following adequate rain. Another frequent problem is when sprinkler heads get out of alignment and apply water to the sidewalk, street, or house siding, rather than to the lawn.
Watering difficult areas such as slopes and under trees requires special attention to achieve maximum coverage and uniformity.
The amount of water your lawn requires and receives will determine its overall health, beauty and its ability to withstand use and drought. Keep in mind that too much water can ruin a lawn just as fast as too little water.
One inch a week is a watering “rule of thumb” (by rain or watering) suggested for most lawns; however, this will vary between different turf species and even among cultivars within a specie, seasonal changes and different soil types.