Perennials
During the initial two seasons, water perennials and groundcovers every other day, allowing the soil to dry between waterings. Watch for wilting, especially in hot weather, as a sign of needing more water. Use a sprinkler, soaker hose, or hand watering for perennials, ensuring thorough moistening by leaving the sprinkler on for about 30 minutes per area. After the first two seasons, rely on regular rainfall for most perennials, but during droughts, consider supplemental watering once or twice weekly.
Woody plants (trees & shrubs)
Trees and shrubs need extra watering, best done by placing a hose a few inches from their trunks on a slow trickle for 30-45 minutes for trees and 15-20 minutes for shrubs, one to two times weekly until winter dormancy. After two to three seasons, they're considered established and generally only need rainwater, though in droughts, extra watering might be necessary one or two times weekly until conditions improve.
Container plants
Plants in containers dry out more quickly than in-ground plants. For most containers, daily watering is recommended, particularly on warmer days.
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