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Watering Schedule Guidelines

Established Plants (1 year for shrubs, 3 years for trees)

Seasonal Frequency - Days Between Waterings

Watering Guidelines for Established Plants
How Much   How Often Spring Summer Fall Winter Water This Deeply
  Mar - May May - Oct. Oct. - Dec. Dec. - Mar.  
Trees  Desert Adapted 14-30 days 7-21 days 14-30 days 30-60 days 24-36 inches
High Water Use 7-12 days 7-10 days 7-12 days 14-30 days 24-36 inches
Shrubs  Desert Adapted 14-30 days 7-21 days 14-30 days 30-45 days 18-24 inches
High Water Use 7-10 days 5-7 days 7-10 days 10-14 days 18-24 inches
Groundcovers & Vines  Desert Adapted 14-30 days 7-21 days 14-30 days 21-45 days 8-12 inches
High Water Use 7-10 days 2-5 days 7-10 days 10-14 days 8-12 inches
Cacti & Succulents  21-45 days 14-30 days 21-45 days If needed 8-12 inches
Annuals  3-7 days 2-5 days 3-7 days 5-10 days 8-12 inches
Warm Season Grass  (Bermuda, etc.) 4-14 days 3-6 days 6- 21 days 15-30 days 6-10 inches
Cool Season Grass  (Rye, Fescue) 3-7 days None 3-10 days 7-14 days 6-10 inches
NOTE:

Additional water is needed for new plantings or unusually hot or dry weather. Less water is needed during cool or rainy weather.

Drip run times are typically 2 hours or more for each watering.

Newly Planted Desert Adapted Plants

Seasonal Frequency - Days Between Waterings

Watering Guidelines - Newly Planted Plants
How Much & How Often Spring Summer Fall Winter
  Mar - May May - Oct. Oct. - Dec. Dec. - Mar.
Weeks 1 & 2 every 3-4 days every 1-2 days every 3-4 days every 3-4 days
Weeks 3 & 4 every 6-7 days every 3-4 days every 6-7 days every 6-7 days
Weeks 5 & 6 every 7-10 days every 4-6 days every 7-10 days every 7-10 days
Weeks 7 & 8 every 10-14 days every 7 days every 10-14 days every 10-14 days
After week 8
Gradually extend the time between irrigations until plants are established
NOTE:

After the eighth week, move the drip emitters to the outer edge of the root ball.

High water use plants will require more frequent irrigations.

Water 24-36 inches for Trees, 18-24 inches for Shrubs, 8-12 inches for ground cover, vines, cactus, succulents, & annuals, and 6-10 inches for warm and cool season grasses.