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

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

Among 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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Note: Because we can discuss 90% of the information you may need on the phone and give ballpark figures, all official estimates are conducted at the time of the in-person estimate.

We offer estimates at your home or in our landscape nursery & hardscape showroom. Please setup an appointment and come down to our nursery with pictures of your landscaping and a copy of your plot plan. Job usually begins within 3-7 business days following project approval. If you receive an estimate at our landscape nursery & hardscape showroom and it is necessary to visit your home to confirm estimate details, you still are eligible to receive and discounts & special offers as long as at home estimate confirmation is done the same day or the following day.

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Latest Reviews

Just had our home landscaping completed by Mansfield Landscaping. Project was quickly completed and the end result is excellent. Steve Mansfield has years of experience and has completed many projects, so my wife and I appreciated his recommendations. He told us not to worry, that he would take care of us, now and even after the work is done which was true. (eg. after everything was completed, we requested a tree to be relocated and that was done within 2 days) He is a good person and we would recommend him.

David Lacny
June 18, 2022

Justin Giovanni
May 11, 2022

I had a complex project. Steve and his team completed the project as planned and although I thought he was optimistic with the schedule, he and the team were on time and a pleasure to work with.

Chris Johnson
May 10, 2022

Mansfield Landscaping was very professional and made it easy guiding me. I had the old plants & rock replaced in my front yard. I am so very pleased. Steve & John & irrigation fellow were very informative. Thank you Mansfield!

Carolyn Runzer
April 18, 2022

Mansfield Landscaping just completed my landscaping job (April 2022): they did the entire back of the property (which had no landscaping), as well as adding to and replacing plants in the front of the house. The team was professional: the estimate process was clear, they arrived on time, dealt with the irrigation system, completed the job in less time than was estimated, and cleaned up everything after the job was done. I am extremely satisfied with Mansfield Landscaping and would recommend them for any landscaping job you might have.

Cristofre Kayser
April 13, 2022

Just had our front yard landscaping redone by Mansfield - they planted all new greenery and increased our landscape footprint to the side of our house - the new design kept our favorite trees and incorporated stacked stone walls to accent the slope of our lot - they worked fast, were neat, and were courteous - I highly recommend them

Thomas DeStefano
March 14, 2022

Mansfield Landscaping installed a block wall (12”), new trees and plants and landscaping stone in our front yard and a concrete landscaping border around our sides and backyard. They also adjusted the sprinkler system to ensure adequate coverage of the new plants. In addition, they relocated plants from the front yard to the side border areas. We are very pleased with the work performed. Their workers were very professional and courteous. The work was performed at the quoted cost and the yard cleanup was promptly performed. Steve, the owner personally performed a post work inspection to ensure satisfactory performance. We were particularly impressed with the speed at which the work was performed and once again the quality of the work and the professionalism of the workers. Bottom line, great work performed at a price below other quotes in a timely fashion with no surprises. We recommend Mansfield.

Jennifer Schork
March 3, 2022

Please enjoy your day.

Adam S
February 25, 2022

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Mansfield

Landscaping

(352) 561-8537

(407) 476-0896

Landscape Estimates & Phone Consultations

Available 7 days a week, 8am to 8pm.

All messages are returned within 1 hour.

For faster response, please provide your property address, phone number, and property pictures to any digital correspondence.

Retail Nursery & Hardscape Showroom

Our Retail Nursery and Outdoor Landscaping Showroom is open when the front gate is open or by appointment only.

8440 County Rd 48, Yalaha, FL 34797

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