Most plants do best if the soil is allowed to partially dry out between watering. For lawns, a dull appearance or footprints not showing indicate that it’s time to water. Vegetables and other annuals should be watered at the first sign of wilting, but tougher perennials (plants that live for several years) only need water if they stay droopy after it cools off in the evening. Trees and shrubs usually don’t need any watering once their roots are fully established (two to five years), except in very dry years.
The flip side of the watering season is that water rates go up. To take care of your lawn, but also keep your utilities bill in check, consider following these tips:
For more tips and online resources, visit the Seattle Public Utilities website and read about “Smart Watering.”