Watering Guidelines
When watering your yard with manual sprinklers, or setting an automatic sprinkler system, the following guidelines will lead to the most efficient water use:
| Watering Months | Watering Times (minutes per zone) Determine how long to water each zone on your watering day | Watering Amounts* *How much water your grass needs each week. | ||
| Fixed Spray Head | Rotor Heads | Manual Sprinklers | ||
| January – April: Water as needed, especially trees and shrubs. | ||||
| May | 13 | 20 | 20 | 1″ |
| June | 20 | 43 | 30 | 1-1/2″ |
| July | 23 | 50 | 35 | 1-3/4″ |
| August | 20 | 43 | 30 | 1-1/2″ |
| September | 13 | 29 | 20 | 1″ |
| October: Water as needed, especially trees and shrubs. | ||||
Source: CSU Extension
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