To maintain St. Augustine lawns with a dense green look proper, watering, and mowing, are always essential factors to be considered. Wetting agents help soils to more freely circulate and flow water, and as such will allow a water logged lawn soil to more freely disperse of excess water in its profile. (See L-1766, âChinch Bugs in St. Augustine Lawns,â and L-1131, âWhite Grubs in Texas Turfgrass,â available from Texas Cooperative Extension at http://tcebookstore.org. To do so you must water for 1 hour. Calculate the average depth of water of all the cans. To prevent run-off: The best form of weed control is a healthy, dense lawn. Texas A&M Veterinary Medical Diagnostics Laboratory, Texas A&M College of Agrculture and Life Sciences, Blackland Income Growth Virtual Conference, Ranchers Agricultural Leasing Workshop: Online course, Connecting Agriculture and Health â From the Ground Up: online, https://www.youtube.com/watch?v=Wc8xY2YuOfM. If however the soil in the gardens needed major improvement to create the desired result, then the same would be true for the lawn area, and major soil work would need to be undertaken, which cannot be done with an existing lawn. St. Augustine doesnât need a lot of water, it just needs it consistently. The mower setting should be between 2 to 2½ inches high. Apply herbicides only when weeds are present and when the grass is healthy and actively growing. Rise and Shine (and Water). Torpedo grass is a hard-to-control weed in beds and nearly impossible to control in St. Augustine grass. Using a ruler, measure the depth of water caught in each individual can, and record the depths. If the grass is extremely short, too much energy will be put into growing new blades of grass and not enough energy will be put into growing the root system. When you know how much water was applied in 30 minutes and how deeply that volume of water wet the soil, then determine how long you must water to wet the soil to a depth of 6 inches. If the soil remains warmer than 60 degrees all year, the grass will stay green. When appropriately cared for, St. Augustine Grass is dense enough to handle normal amounts of foot traffic and shield against weeds. Use a core-aerating machine when the grass is actively growing. Further, St. Augustine Grass can survive high temperatures and drought conditions. If water begins running into the streets or gutters, note how long it took before run-off occurred. Welcome to Saint Augustine Lawn Care. You cannot let it drâ¦ Click for a hub of Extension resources related to the current COVID-19 situation. When you do water, wet the soil to a depth of 6 inches. Water the turf deeply to achieve the right amount of water your turf needs. If the thatch layer is more than 3 /4 inch thick, it can be removed gradually by mowing the lawn with a vertical mower or scalping the lawn (cutting with a rotary mower at its lowest setting) in April or May when the grass is healthy and actively growing. The water you apply should soak in, not remain on the soil surface. Being a warm-season turfgrass, St. Augustine grows best during summer. When you walk on St. Augustine grass and the leaves do not spring back, it is often a sign of over watering. Consider spraying sulfate at a rate of 2 ounces to 3-5 gallons of water per 1000 square feet. Apply postemergent herbicides as needed. Apply no more than 1 /2 pound of nitrogen per 1,000 square feet. It grows well in nearly all soil types and tolerates shade, heat, salt and is drought tolerant. Turn the water on early in the morning and again in the early afternoon. Do not apply water faster than the soil can absorb it. Insect damage, especially from chinch bugs, looks much like drought damage in grass. Even though St. Augustinegrass is normally dormant in winter, you may still need to water it periodically when the weather is warm, dry and windy. If the grass does not have enough leaf blades left for photosynthesis the grass will die. Use enough water to keep the root system wet, but do not flood the turf. Use enough water that the soil is damp but not soaked since St. Augustine grass and similar tropical varieties donât need a ton of liquid. If you have an underground irrigation system, flag the sprinkler heads first to avoid damaging them. Apart from sometimes being a little thirstier, there are no real other differences in watering a St Augustine lawn than for any other lawn variety. Broad-leaf weeds are water hogs. So what's the solution for these real problem soil types? High levels of soil phosphorus can also lead to deficiencies in iron and zinc. As a result of this, the Saint Augustine lawn can become constantly water logged, which in turn will make the turf soft and weak and easily damaged from normal wear and tear conditions, the lawn will be far more susceptible to moss, bare patches, diseases, weeds and pests, and will always be unsightly from the resulting recurring damage. If you water adequately to bring it back to life, you may need to do a total of about 1 ½ inches of â¦ However, if your St. Augustine grass is turning brown or is getting hard, donât be afraid to water it. For soils which have major water logging problems, the lawn aerification process can be repeated once a year until the lawn and soil is fully draining and no longer retains excess water. This coarse sand will allow for far greater water flow through the soil, as well as allowing more oxygen to the roots of the turf, both of which are vital to good lawn health, and in aiding in the reducing of water retention of the soil. When fall temperatures drop with the first frost or when water fails during a dry spell in July, your st. Augustine grass will naturally turn brown. St. Augustine needs more water than most of our other lawngrasses (fescue excepted). If the leaves on St. Augustine grass begin to show a slight curling, it is a sign they probably have received too much water. You should, therefore, establish your lawn in mid-summer when conditions are great for the growth and spread of this grass species all over your lawn. Stop watering and allow the soil surface to dry (30 minutes to 1 hour). Many homeowners will confuse this rot with take-all root rot because of the yellow coloring of the leaves. With an automatic irrigation system, change your timer to the new, shorter time. Your county Extension agent can give you an estimate of that date in your area. Do you have a question -or- need to contact an expert? St. Augustine Maintenance and Care. This is called photosynthesis. Watering makes the ground more malleable and gives the roots of the St. Augustine grass plugs immediate moisture. In areas of heavy traffic, aeration can help eliminate compacted soils. It will, however, slow in growth as the soil drops in temperature. âKeep it wet,â Orr says. Grass with deeper roots is more drought-resistant than grass with shallower roots, the university says. Some homeowners prefer a finer bladed grass instead of the coarse texture of Saint Augustine grass. St. Augustinegrass is very sensitive and may be injured by some herbicides, such as 2,4-D. Read the label carefully before applying any herbicide to ensure that it is the right product for the weeds you have and that you do not injure the turf. Apply postmergent herbicides (which control weeds that have already sprouted) as needed. They can come in the form of a granular agent which is spread by hand or a fertilizer spreader, or in liquid form which is sprayed onto the lawn. St. Augustine grass is medium to dark green and coarse grass, additionally it has a low, dense growth habit. Extended periods of hot and dry weather, St. Augustine grass might start to die. Our work makes a difference, in the lives of Texans and on the economy. Check the lawn while watering. Irrigation may be needed to supplement natural rainfall. These climatic conditions usually occur in spring about the time redbud and dogwood trees begin to bloom. This may eventually contribute to eutrophication of streams and lakes. Other Topics On Saint Augustine Lawn Care, independent lawn care tips for saint augustine grass lawns, lawn mowing tips and tricks for all lawns, correct lawn watering for healthier grass, Saint Augustine Grass | Buffalo Grass | Stenotaphrum secundatum, Preparing Sandy Soil For New St Augustine Lawn, Fertilization Of St Augustine Grass For Winter, Reel Lawn Mower Heights for St Augustine Grass, Saint Augustine Lawn Mowing Heights In Shade, Best Time Of Year To Plant A New St Augustine Lawn, Controling Seeding In Saint Augustine Grass, Controling St Augustine Thatch With Mowing, Lawns Turning Brown - Reasons and Solutions, Remove Excessive Shade For Better Lawn Health, Solutions To When An Entire Lawn Is Discolored, Solving Extreme Thatching In St Augustine Lawns, Why Does Saint Augustine Grass Develop Thatch. As a result of this, the Saint Augustine lawn can become constantly water logged, which in turn will make the turf soft and weak and easily damaged from normal wear and tear conditions, the lawn will be far more susceptible to moss, bare patches, diseases, weeds and pests, and will always be unsightly from the resulting recurring damage. If the soil adjustment was only minor, then coring etc should work equally as well for the Saint Augustine lawn. St. Augustine grass requires approximately ¾ inch of water two times a week. Postemergent weed control is most effective if you apply the herbicide when the weeds are still very small. Example: If the sprinklers sprayed 1 /2 inch of water in 30 minutes and wet the soil to a depth of 3 inches, you would need to apply 1 inch of water to wet the soil to a depth of 6 inches. Because once we get beyond those few inches - we're right back to the cause of the problem, which is the same clay or silt based soil which is still causing exactly the same problem. Weed Management. Weakened turf needs even more water. The idea is that as long the St. Augustine is thriving from adequate irrigation, Bermuda cannot step in to occupy the space. Lawn aerification is done by using this machine to punch steel tubes, called tines, into the turf and soil, which in turn removes plugs (cores) of turf, thatch and soil from the lawn. You can always test the soilâs pH level to see if it is too acidic or not acidic enough and treat accordingly with a lime treatment. St. Augustinegrass lawns should experience no detrimental insect activity during the winter. Watering St. Augustine Lawns Continue this cycle until the appropriate amount of water has been applied to wet the soil to a depth of 6 inches. The grass should be watered after the fertilizer has been added, but donât overdo it. To prevent yellowing caused by iron chlorosis, apply liquid or granular iron fertilizer throughout the growing season. Routinely check for these pests and treat as necessary. The trick is to water only when the grass needs it. St. Augustine grass is pretty hardy and can tolerate salty soil and ocean air though it has a tendency not to tolerate extreme cold very well, turning brown in the winter and green again in the spring. Also, Bermuda likes fertilizers more than St. Augustine, so I make â¦ When St. Augustine grass suffers from this type of fungus, the movement of water and nutrients is unable to get to the roots of the grass, making its leaves turn yellow and die. Be careful not to set the mower too low, as it may scalp the lawn. Pay attention to the weather as well â if particularly hot and dry, water a little extra. 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