In the Bay Area, we recommend watering between 2 a.m. and 6 a.m. Watering within this window of time takes advantage of relatively low winds and less loss of water to evaporation.
Generally, running an irrigation system on a lawn for more than five minutes will result in runoff. Precise watering times vary depending on the type of watering device, soil, slope and plants.
In the Bay Area, water in the early morning hours between 2 a.m. and 6 a.m. as follows:
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