Monthly Water Tips

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As plants are adjusting to the heat, be sure to water deeply at each irrigation for greatest efficiency and plant health. Are you seeing fruit drop on your citrus? Learn more below.

Did you know that starting in 2008, the National Weather Service defined our monsoon season to begin June 15 and end September 30? If you didn’t live here prior to 2008, you missed the methodical but quirky way we used to determine the start of the season. Learn more at AZ monsoon trivia. The point is, that you should be ready for wind, dust, and power outages... and let's hope for some noteworthy rainfall.

These recommendations are for plants that are established in the landscape (in the ground about 2 years).


Lawn watering

  • Summer grass (Bermuda) - once every 3 days
  • Overseeded cool season grass (rye) – grass dies out

If trees and shrubs are on the same valve

  • Desert Adapted - once every 14 days
  • High Water Use - once every 7 days

Tree watering

  • Desert Adapted - once every 16 days
  • High Water Use - once every 8 days

Shrub, Groundcover and Vine watering

  • Desert Adapted - once every 12 days
  • High Water Use - once every 5 days

Cacti and succulent watering once every 18-20 days

Annual & vegetable watering once every 1-3 days

Wildflowers: spring wildflowers die out, go to seed and are pulled

Note: These recommendations are a general guideline only and may need to be modified for your specific site conditions.

Citrus June Drop is a normal occurrence this time of year and is a natural thinning process. Learn about this and see other great pics in a U of A publication, Diagnosing Home Citrus Problems. If your leaves look healthy, it is not caused by lack of water.