Less water is lost to evaporation. These create a fine spray of droplets in a confined area. Misters create a foggy, humid setting that certain plants, such as ferns, love. You can get as simple or fancy as you like. Fancy systems, which obviously cost more, may include such add-ons as automatic controllers, backflow preventers, filters and pressure reducers.
Automatic controllers allow multiple zone selection and automatic watering up to six times daily.
The other devices mentioned can filter out debris and help deliver water evenly. Whatever you choose, the new watering systems of today are bound to save you time and money. Check out Pepco Professional's low-flow irrigation online guide . Jess Stryker also has a Landscape Irrigation Installation Tutorial . The city of Bellevue, Washington has a home page on drip system in their Utilities Department.