Watering Shrubs and Trees in Phoenix area

Old 06-23-06, 09:02 AM
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Watering Shrubs and Trees in Phoenix area

Hi! I recently moved to the Phoenix, AZ area and have an automatic drip system separately for my shrubs and trees. Since the weather has turned so hot (100-113 degrees) with no ran until the monsoons, I'd like to change the frequency of the watering system schedule set by my builder's landscaper. It was set as every third day, watering the trees for 1 1/2 hrs at 5 am, and the shrubs for 45 min at 5 am.

I believe that I should increase the frequency of the watering schedule to at least 4 -5 times per week. Is that too much or should I have it drip watered on a daily basis? Many thanks for any suggestions!
Old 06-23-06, 09:20 AM
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Welcome to the forums and congrats on your move! Whew it's hot out there!

I'm no pro but there's more to it than timing that you need to check out. Here's some info you should read up. It should help you some in the meantime.

Check back to see what others think

Old 06-23-06, 02:53 PM
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Your local water conservation office and your Dept. of Agriculture Extension Agent can provide you with helpful info on watering tips, such as on the importance of watering deep. Ask for a free copy of 'Landscape Watering by the Numbers' which has info on how much water plants need and how to measure your sprinkler output and schedule your watering system. Remember that deep, less frequent watering produces deep, strong root systems.
Old 06-23-06, 09:15 PM
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Hi Howard,

Welcome to the forums & Valley of the Sun. I am a resident of AZ also & the water company is recommending "deep watering" once or twice per week as opposed to every day watering.

Check with your local water company or SRP and they should be able to fill you in. Also, Arizona State University has extension information.

Take care,
Old 06-24-06, 09:18 AM
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Be sure to retain the early timing of the watering as watering later in the day or at night promotes fungus growth.

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