When and for how long should I irrigate my St. Augustine Grass

irrigation st augustine grassAmong all of the grasses in Florida, St. Augustine seems to be the most finicky and problematic grass of all the species. Usually, the problem is with the irrigation and the aspects that come along with it.

The University of Florida states that there are three main characteristics of an irrigation plan for St. Augustine: Frequency, Duration and Time. If these three items are being properly attained, then the resulting turfgrass will be thick, strong, green, and vigorous, and will combat insects, weeds, and wild grasses more easily.

University of Florida states:

“A properly irrigated grass plant is better able to withstand pressure from weeds and insects. Weed problems in a lawn indicate that the turf has been weakened by improper management practice. Proper management practices can eliminate most weed problems.”

Proper irrigation in addition to a standardized Turf Treatment Schedule will provide optimal results for healthy grass.

Q: How Often Should I Run My Irrigation System? [Frequency]

A: For an already healthy lawn, two – three times per week*.

During the summer months, healthy St. Augustine can only go 1 to 5 days between irrigation events, based on the heat index (Myers & Horn, 1969). Weakened turf needs even more water.

*Always follow Local and State laws in regards to watering restrictions. As of July 2010, Florida residents can use automatic sprinklers 2x / week. Hand-watering hot spots or weak lawns may be necessary. Hand-watering is NOT prohibited, so long as it is after 6pm or before 8am.

Q: How Long Should I Water For? [Duration]

A: Spray Zones at 30 minutes, Rotor Zones at 45 minutes

The exact answer to this question is “½ to ¾ inch of water per irrigation event” (UF IFAS, 1999), but depth is harder to define than duration.

In an irrigation system with optimal pressure and proper coverage, the times listed above should provide the correct depth of watering. If you are following the above Frequency and Duration and still have “hot spots,” you may need to have your Sprinkler System checked by a professional.

Q: When Should I Water My Lawn? [Time]

A: The best time is in the early morning hours (1:00am to 3:00am), prior to the dew.
Watering in the late morning may be detrimental if it extends the time the lawn is naturally wet from dew, which may accelerate disease issues. Watering during the day wastes water due to excessive evaporation from the sun. Watering in the evening can lose just as much water to evaporation from the heat the earth gives off as it cools.

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What Your Neighbors Are Saying About Mansfield Landscaping

My mother in law also used Mansfield and was pleased with their work. It wasn't a very large job, but she had one stacker wall put around a palm and is very happy with it.

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INCREDIBLE WORK BY MANSFIELD LANDSCAPING!! After obtaining numerous landscaping estimates to help transform our extremely large, unattractive corner lot in the Village of Largo we hired Mansfield. We sure made the right choice!! The owners, Steve and Ron, were extremely professional and prompt and spent a lot of time talking with us on the phone and in person to make sure we got what we wanted. As promised, they started the work 10 days later and COMPLETELY transformed the look of our entire home!! Our property went from the "eyesore of the neighborhood" (a quote from one of our neighbors) to stunning!! I am not exaggerating one bit. During the time Ron and his excellent crew were planting the 11 very large palm trees and countless plants and flowers and the past week when we've been watering all the landscaping at least 100 people have stopped by in their cars and golf carts to comment on what an amazing job Mansfield did!!! We couldn't be happier and can 100% recommend them to everyone.

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Steve & his wonderful team did a wonderful job at our house. We look so pretty now! Feel free to ride by and check us out. They also work very quickly. People have been stopping in front of our house and they love what they see. We are so pleased with the end result. What a “dream team” Steve Mansfield has put together. I would like to thank each and every one of them for a fabulous job well done.

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We have just completed a large landscaping job with Steve Mansfield and are totally pleased and impressed with the quality of the work, the overall appearance and the end product. The job was completed within a week of the estimate and far below other estimates. With those estimates the jobs could not have been started for over a month, at a much higher cost. We went to the nursery with our outside pictures and chose the specific trees we wanted in our yard. This was a long process, but well worth the effort. Steve likes to talk, but he estimated the job that we wanted with the exact trees we wanted to our total satisfaction.

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We used Mansfield Landscaping as well. They did an excellent job and we were very impressed with their nursery and the workmanship. We had walls build and landscaping. Our palms look as nice as the day they were planted and so far we have not had any problem with any of the shrubs. Steve has stopped by several times just to make sure everything is okay with landscaping. I would definitely recommend Mansfield. This spring we need to tackle the lawn as that is a mess. Can anyone recommend a good landscaper for installation of sod? Looking for someone that does a lot of sod installation.

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