Watering Calendar

Listed below is a sample of irrigation guidelines for cool season grass and moderate water plants.  We have used clay soil (pertinent in SMWD boundaries) with above-ground sprinklers for our calculations.  Always check your plants for stress (under-irrigating) and watch for runoff which indicates that the sprinkler run times are too long.  Modify accordingly.

Multiple start times in a day are needed as clay soil will not allow water to percolate quickly.  This will help limit runoff and wasted water.  Sandy or loam soils will allow for longer run times, but these soils are rare in the SMWD boundary.

Cool Season Grass | Soil Type: Clay | Sprinkler Settings
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum minutes per start time 4 4 4 4 4 4 4 4 4 4 4 4
Start times per week 4 4 6 8 8 8 10 10 8 6 4 4
Total minutes per week 16 16 24 32 32 32 40 40 32 24 16 16
Moderate-Use Plants | Soil Type: Clay | Sprinkler Settings
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum minutes per start time 3 3 4 4 4 4 4 4 4 4 4 4
Start times per week 4 4 4 6 6 6 7 7 6 4 3 3
Total minutes per week 12 12 16 24 24 24 28 28 24 16 12 12

A watering guide is also available at www.bewaterwise.com to help homeowners individualize their irrigation controller (timer) settings.  This guide is based on plant material, soil type and location (zip code).  Irrigation demands vary with the weather (season), plant material and soil conditions.

For more information, please contact Gary Russell at 949-459-6533.

 

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