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Watering Schedule For Arizona Desert Lawns

Don't Over-Water Your Phoenix Grass

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Water - Use It Wisely
Logo © Water - Use It Wisely

Now that you know how long to water your grass, you need to know how often to water it! These watering intervals are based on average temperatures in the Phoenix area. You might need to make adjustments for unseasonably warm or cold weather, or for windy days.

January
Bermuda grass: water every 30 days.
Rye grass: water every 14 days.

February
Bermuda grass: water every 21 days.
Rye grass: water every 10 days.

March
Bermuda grass: water every 14 days.
Rye grass: water every 7 days.

April
Bermuda grass: water every 7 days.
Rye grass: water every 4 days.

May
Bermuda grass: water every 4 days.
Rye grass: water every 3 days.

June
Bermuda grass: water every 3 days.
Rye grass: none (grass dies in summer)

July
Bermuda grass: water every 3 days.
Rye grass: none (grass dies in summer)

August
Bermuda grass: water every 4 days.
Rye grass: none (grass dies in summer)

September
Bermuda grass: water every 4 days.
Rye grass: none (grass dies in summer)

October
Bermuda grass: water every 6 days.
Rye grass: water every 3 days.

November
Bermuda grass: water every 14 days.
Rye grass: water every 10 days.

December
Bermuda grass: water every 30 days.
Rye grass: water every 14 days.

You can see the entire Phoenix Lawn Watering Guide, by Water - Use It Wisely online at http://ag.arizona.edu/azmet/phx/. You can also access this handy Monthly Water Conservation Planner and sign up for a monthly newsletter containing water conservation tips and reminders.

From the Water - Use It Wisely web site:
"The Water - Use It Wisely campaign was launched in 1999 to promote an ongoing water conservation ethic among Arizona's rapidly growing population. Partners include the cities of Mesa, Phoenix, Scottsdale, Tempe, Peoria, Chandler, Gilbert, Glendale, Avondale, Surprise, Goodyear, Safford, Prescott Valley and Bullhead City. Additional partners include the Arizona Municipal Water Users Association, Water Conservation Alliance of Southern Arizona, Global Water Resources, Arizona-American Water Company, Central Arizona Project, Bureau of Reclamation, Lowe’s and SRP."

Page 1: How Much Water Does My Lawn Need?
Page 2: How Long Should I Water My Grass?

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