For healthy root growth apply enough water to moisten the soil to a depth of 4-6 inches. This usually requires you to apply inch of water. Signs of Over-Watering. If you have seen or continue to see any of the following you are over-watering your landscaping. Soil is constantly damp.
Leaves turn a lighter shade of green.
Young shoots are wilted. Leaves are green but brittle. Algae and mushrooms are growing. Water runs off area being watered. Some low-water use plants for the Apex include Crape Myrtle, Elaeagnus, Eastern Red Cedar, Chinese and Japanese Hollies, Glossy Abelia, and Juniper.