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Real Green Lawn Care

We are a locally owned Lawn and Tree Care company, that serves the Austin area:

Real Green Services
8518 FM 1826
Austin, Texas 78737 Voice: (512)454-7336
Fax:    (512)288-6020

Office hours                     8am - 9pm M-F
9am - 1pm Sat

www.referencelist.com

 

 

 

    

Water Wise - Austin Water Wizard
 
Using our advanced weather and soil monitoring station, our computers can help you set up your sprinkler. Enter your turf type, and available sunlight, and it will calculate your sprinkler run time.How to Water a Texas Lawn
 
Austin Home Watering Recommendations
Based on Current Evapotranspiration rates.

Select Turf Growth Conditions (Step 1)
  Sunlight Exposure

  Turf Type

Weekly Water Requirement for Turf Type
(in)

Rainfall Compensation (Step 2)
  Average Weekly Rainfall   

 

(in) 
Weekly Irrigation Requirement
(in)

Calculate Watering Time (Step 3)
  Sprinkler Precipitation Rate   (Required)

 

(in/hr) 
Total Weekly Watering Time
 
(min)
Irrigation Cycles Per Week
 
(count)
Run Time Per Watering Cycle 
 
(min)

 

Three Irrigation Cycles Per Week Recommended (hills and/sloped lawns in full sun) 6/15/2008

(1 irrigation cycle recommended per week, during the Spring and late Fall)
(2 Irrigation Cycles recommended per week, during the Early Summer)
(3 Irrigation Cycles recommended per week, Late Summer or when drought conditions exist)

Download our watering and mowing guide.

                        6-10 day Precipitation Outlook           8-14 Day Precipitation Outlook

                       
One Month Precipitation Outlook       Three Month Precipitation Outlook

                        Previous 12 Week Animation               U.S. Drought Monitor 

 

 

Using the ET Watering Index                                                                                                                                      Check the index once a week on the first of your assigned watering days. The weekly watering amount shown is the amount needed over the next 7 days for your lawn. If you're watering only once weekly, apply all of the amount to your lawn then. If you prefer to water twice a week, split the total amount over the two days.

What do all these numbers mean?                                                                                                                                These numbers show weather data that help determine how much water your lawn needs. High and low temperatures are two of the factors used to calculate the potential evapotranspiration amount, shown as ETo. You can think of ETo as the amount of water a plant would need if left constantly exposed to the sun. Since most plants have varying amounts of sunlight through the day, we apply stress coeffients for an average St. Augustine lawn in Austin to determine the ET Index.

What is evapotranspiration?                                                                                                                           Evapotranspiration is a measurement of the total amount of water needed to grow plants and crops. This word is from the word evaporation and transpiration. The equation used to determine potential ET (ETo) considers a large number of weather factors, such as wind, temperature, dew point, humidity and solar radiation.

If we know how much water is lost each day, why don't we water daily?                                                                   Allowing your lawn to dry out between waterings actually encourages a deeper root structure as the grass then has to look deeper for the water it needs. Plants with deeper roots are better able to withstand drought, harder to uproot, and can be more resistant to disease. Plus, the daily ET amounts for Austin are usually very small. Most automatic irrigation systems can't be adjusted to water less than 1/4" with each operation, so it would be next to impossible to apply a tenth of an inch daily.

How do I know when I've watered enough?                                                                                                                    Set tuna or cat food cans around your lawn and garden and turn on your sprinkler for 15 minutes to measure the amount of water in the cans. Now that you know how much water your sprinkler puts out, you can figure out how long to leave it running when it's time to water.

 Measure water in cans after 15 minutes to find your application rate.

Example: After 15 minutes of running your sprinkler, you have an average of 1/4" in your tuna cans. When the ET Index is 1/2", you should run your sprinkler for 30 minutes. For an ET of 1/3", you'd run the sprinkler for about 20 minutes.

 ET equation: ET minus rainfall divided by application rate equals sprinkler run time.