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Now that it's August, how often should we water our lawn (rock/clay soil); for how long; when (late pm early am); and when do we NOT water? My husband waters every day separate areas (front one day; back the next = X3/week), for approx. 35 min. each station. I say this is TOO much water(ing).

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A

As the weather cools down your lawn will need much less water.  The recommendation for watering is to run your irrigation system for as long as needed to apply the amount of water needed.

 

For example: If you run your irrigation system for 25 minutes and in that time it puts out 0.5” of water then for August through the first of September you would need to water every two days.

If you are not sure how much water your irrigation system puts out below is a link that can help you calculate that.

 

http://www.conservewater.utah.gov/agency/materials/guide/Summit.pdf

 

Some general watering guidelines are:

 

1. Irrigate in early morning when temperatures are cool and the wind is not blowing to prevent evaporation losses.

2. Avoid irrigating between 10 AM and 6 PM to minimize evaporation.

3. Check your irrigation system monthly for leaks and damaged or clogged sprinkler heads.

4. Mow at 3 inches to improve heat and drought tolerance of the grasses.

5. Aerate your lawn to improve water infiltration and reduce compaction and thatch.

 

I have also included a link below that gives a lot of information on lawn care, including watering.

 

http://extension.usu.edu/files/publications/publication/HG_517.pdf

Posted on 1 Oct 2008

Heidi Wayman
Horticulture Intern, Salt Lake County

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