December is a good time to cut back or turn off your irrigation system to your landscape. Chances are you have used more water this year due to the relatively light rainfall and warmer temperatures we’ve experienced in 2016. Here is some data in comparison from 2014 through October 2017.
The ET numbers equate to the amount of water in inches you will need to replace in your landscape due to evaporation, solar radiation, humidity, wind and rainfall received from Mother Nature. If the data holds, we will be warmer in 2017 and will not receive as much rainfall as 2014, 2015 and 2016.
2014 75.9 10.11”
2015 73.2 5.80”
2016 78.8 7.71”
2017 77.1 4.59” (thru November)
For the entire month of December, you are better off to manually run the irrigation system after looking at your turf, trees, and shrubs.
- Water rye grass if you notice footprints staying depressed as you walk across your lawn. This is a sign the turf could use water.
- Water trees twice per month if we receive no rainfall.
- Water shrubs once or twice per week if we receive no rainfall.
It is always better to use your eyes and look at the landscape before applying water in the winter. The plants will tell you what they need water-wise and you can save some money during colder times.