That being the case, it’s important to know exactly how to dethatch St Augustine grass before you get started. Seville is considered a dwarf cultivar that is a much finer textured grass than Floratam. 14 12 0. Incentives lead the sod farms to push grasses that may not be in your best interest. For best results, use a dethatcher with a 2- or 3-inch blade spacing set at a ¼-inch depth after the turf has fully greened-up. Some fast-growing grasses like St. Augustine grass and Kentucky bluegrass are more prone to thatch than other varieties, especially when grown in compacted or heavy clay soil. Exhibiting both drought and heat tolerance, it is most commonly known as the most cold and shade tolerant of the St. Augustine grasses. It leads to … If the thatch completely dries out, it can crust over becoming "hydrophobic". Aviles Street. Thatch is bad because the grass is more susceptible to drought and cold damage. De-thatching Can Harm Creeping Grasses Left to its own devices, St. Augustine grass will continue to build a thicker and thicker layer of matted stems and roots, raising the green blades higher and higher over time. If needed, vertical mowing or dethatching machines, can be rented to tear out the thatch. Problems with St. Augustine grass can be diagnosed and fixed by carefully observing grass symptoms and using the correct techniques to treat the problems. The only non-fungal disease that often attacks St. Augustine grass is the viral SAD (St. St. Augustine grass is a popular dense turfgrass in Florida and hot coastal regions because of its lush appearance. A sign of brown patch is the webby mycelium that appears on the grass on damp mornings. Advantages & Disadvantages of St. Augustine Grass. St. Augustine grass is characteristically coarse with a light to medium green color. The city attracts 3 million tourists annually The thatch can restrict root development and create an attractive environment for insects and other pests. A soil test will tell you what your soil pH is. Thread starter phdibart; Start date Apr 19, 2017; 1; 2 ; 3; Next. Because of the coarse texture, it is rarely used on golf course fairways. When to Plant St. Augustine Grass. Over-fertilization is one of the biggest culprits in thatch build up. Old Galleon Ship Ship. St. Augustine lawns should be watched closely during the summer for signs of drought stress. Dull blades will shred the grass and may give a light brown appearance to the grass. This type of grass needs special attention to watering; which is we would recommend being a full time resident if you are to have this grass. Sod farms loves pushing this because incentives matter; if you buy this grass, put it down, it succumbs to fungus, then you re-sod. It is used along the coastal ranges because of its good salt tolerance. St. Augustine grass provides a lush green lawn and is recommended for U.S. Department of Agriculture plant hardiness zones 8 through 10. However, its presence represents deeper soil problems that must be fixed or the moss will stick around. Seville, like all other cultivars of St Augustine grass, establishes quickly in most environments. grass stolons and plant structure. Most of the St. Augustine lawns are growing on sand. Grey leaf spot is mostly a problem with young plants in humid, wet conditions. St. Augustine grass (Stenotaphrum secundatum), also known as buffalo turf in Australia and buffalo grass in South Africa, is a warm-season lawn grass that is popular for cultivation in tropical and subtropical regions. St Augustine grass makes a beautiful light green to dark green turf. The solution for thatch is to provide the conditions needed to compost organic matter - moist, cool, dark and windless conditions just above the soil surface where organic matter collects. Donât mow until the grass has sufficient root and is anchored to the soil or it may lift and be cut by the mower blades. I had no idea what was going on at the end of the summer last year, but franticly doing research this year trying to determine why most of my yard is dead, I believe I came across the problem, root rott. Most of the diseases that attack St. Augustine grass are fungal diseases. Some fast-growing grasses like St. Augustine grass and Kentucky bluegrass are more prone to thatch than other varieties, especially when grown in compacted or heavy clay soil. Soil pH problems can be another. Important Note About Insecticides and Fungicides. With a little maintenance, the sod may soon grow into a luxurious St. Augustine lawn. Floratam St. Augustine grass was released by the Florida and Texas Agricultural Experiment Stations in 1972 as a SAD virus and chinch bug resistant selection. To maintain a proper fertility program, it is important to know how much nitrogen is being delivered. Fertilizers, pesticides, and herbicides have difficulty penetrating the thatch and become trapped in it. This grass is fairly easy to care for, the limited spectrum of issues allow us to focus on only a few main issues that could be the cause of any damage. St. Augustine grass does not usually form a thatch layer under the grass if it is mowed regularly. But unlike Floratam, it can tolerate much more shade and cold weather. St Augustine Beach. Maybe some day it will. Note however, that some dwarf varieties are more prone to thatch, winter damage and insect problems. Over-fertilization is one of the biggest culprits in thatch build up. Dethatching St Augustine Grass Thatch is really a layer of partially decomposed plant material that builds up around the soil’s surface. Control henbit, chickweed and other cool-season weeds with a hormone-based herbicide in early spring. 20 22 1. Make sure you donât over water during the planting stage so the soil becomes waterlogged. Signs That Grass Has Been Overwatered. This species is called by its common name of St Augustine. The recommended depth to water St. Augustine grass is 4- 6 inches. It spreads over long runners or stolons. It primarily consists of shed roots, stems and other grass debris. Thatch can be a barrier that prevents water and nutrients from reaching the roots. 3. It is this mat of stems and stiff canopy that is often – and wrongly – called thatch. Ant Control, Weed Solutions and Zoysia Care for Southwest Florida Homeowners This Third Week of November, This Week’s Green Solutions in SWFL: Finding Art in Nature, Projects that Boost the Beauty of Green Spaces in Southwest Florida This Fall, Landscape Maintenance Services for Better Green Spaces in Naples Homes and Communities, Our Secret to Giving Naples Homeowners Lush and Blooming Landscapes, Elevating the Natural Beauty of Southwest Florida Landscapes. Great Cross Sunrise Sky. As humidity decreases and weather dries out, the disease subsides and the grass usually recovers. I wouldn't go below 1.5" HOC. A 1-inch layer of thatch can restrict the movement of air, fertilizer and water that is in the soil. The thatch can be reduced by using a vertical mower, aerating the soil with a core aerifier, and mowing at the proper height (2½ to 3½ inches for St. Augustinegrass; 1 to 2 inches for bermudagrass). However, in the U.S., buffalograss is a completely different warm season grass. Check with companies in your area to see. Applying too much nitrogen encourages thatch to accumulate, making the turfgrass more vulnerable to disease outbreak and other environmental stress. This encourages rooting. Thatch is a layer of organic material, like stems and dead roots, that accumulates in a patch of grass. As for the type of care St. Augustine grass needs, this warm-season grass likes moisture and should be watered deeply. Mach 2 is another biological control for insects that pupate. It is extra work, but will give better results. brig2221 – posted 24 April 2006 16:54. Then mow the lawn half inch to 1 inch below your desired HOC. If you have more than a half an inch of thatch, or decomposed plant material, its time to dethatch. When the leaf blades wilt, turn a blue-gray color or when footprints remain visible after walking in the grass, the lawn is in need of irrigation. One of the disadvantages of St Augustine grass is its poor wear tolerance. I believe that I lost a considerable portion (70%) of my newly installed Palmetto St. Augustine yard to TARR (root rott). dont set the detacher too low, maybe 3/4" above soil. ft. each month during the growing season. Brown patch is a disease in hot, humid weather. Grass completely sheds its root system twice a year, one root at a time. If you examine your grass you should be able to determine if the grass is growing on soil or thatch. It can tolerate wide pH ranges, from the acidic soils often found inland to the high pH soils of the coastal areas. St. Augustine grows quickly using above-the-ground runners, also known as stolons. Nitrogen fertilizer application on St. Augustine can range from 3 to 5 pounds of nitrogen per 1,000 square feet per year. In the deep south, from Florida to central Texas, St Augustine grass is the turf of choice. Click on the link to learn more about 4 6 1. Oldest Wooden Schoolhouse. Take all root rot is a problem of wet soil, most prevalent during the planting stage, but can also occur in established grass. It has resistance to chinch bugs. click here for complete and unbiased information on how organics work, types of organics for home use and the different approaches to organic lawn care. Just type into the browser the product and include the word "label". 24 50 3. There is no single reason or solution. It is not a good grass for sports fields because of its low wear tolerance, so its primary use is for home or business lawns. Once consumed by the insects, it kills by producing toxins within their gut. The recommended depth to water St. Augustine grass is 4- 6 inches. A St Augustine lawn kept tall and wet always has moist, cool, dark and windless conditions at the soil surface. Floratam is a vigorous, coarse textured St. Augustine grass variety. This promotes deeper root growth and helps the grass survive longer without water during periods of drought. The roots wonât take hold in the soil for a couple of weeks, so it will need to be watered carefully to keep from drying out. Another way to tell is by walking across the lawn and then checking to see if your footprints are not immediately going away. Grass hoppers can also be a problem in summer months. While most lawns only need to be de-thatched in extreme cases, St. Augustine will need it almost yearly in some areas. We are currently focusing on mapping QTL associated with Southern chinch bug … Overgrown thatch is often characterized by large, unhealthy brown areas of the lawn. Many commercial applicators will apply what you need without selling you a whole program. It can also be established from plugs and sprigs. Bitterblue differs in appearance from other types of St. Augustine grass, which only helps with its appeal. There are a number of different Although I do travel to Southeast Texas to examine St Augustine, I have not studied in depth or verified these causes or solutions because of limited access. Proper soil and grading preparation is necessary to ensure a good surface. However, if not properly managed and controled, their thatch will also continue to thicken and increase its depth to unmanageable levels. Sprigs are stolons, often called, ârunnersâ. Please help. Would like to fertilize but don’t want to hurt the grass more than necessary. Should you power rake or de-thatch St Augustine grass? Rinse and repeat cycle = lots of $$$ for the sod farms. In the case of insects, the Southern chinch bug is the most economically important pest affecting St. Augustinegrass. If the problem doesn't go away you may need to verticut the lawn. Quick kill products include trichlorofon (dylox) and carbaryl (sevin). What can I do to bring back my lawn that has minimal color in it and has stopped growing. 21 18 2. Lawn Fertilization Made Easy Lawn fertilization is one of the most important aspects of lawn care. St. Augustine Grass is very shade tolerant and makes a great choice for lawns that do not get ample enough sun for other species. The most common St. Augustine grass used by Florida homeowners is Flortam. Stolons are above ground stems that grow horizontally. Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. I am watering twice a day since i live in the very hot south texas. Get helpful advice and step by step directions for the best possible results. A soil test will tell you what your soil pH is. 2. Mercedes is a shade-tolerant warm-season grass, although it still needs 4-6 hours of sunshine to thrive. It's very difficult to thatch rake a St. Augustine lawn because of the above grown runners, so just about every other option has temporary consequenses. If the turf seems to be growing directly in the soil and if the thatch is less than 1/2 inch thick, don’t use a dethatcher. ft. per year. Tests have shown that almost 100% of insecticides become trapped in heavy thatch. Advantages & Disadvantages of St. Augustine Grass. Save my name, email, and website in this browser for the next time I comment. The Bayleton fungicide, as well as others, are labeled for many diseases that effect St Augustine. Water deeply to wet the soil to a depth of 3 or 4 inches. Mercedes is a shade-tolerant warm-season grass, although it still needs 4-6 hours of sunshine to thrive. You should leave the cores on the grass to break down naturally. Floratam St. Augustine grass was found to be better than Common for the following reasons: You do not want to have Sapphire grass as your lawn. Dog Urine Damage on Lawns We all love our pets, but dog urine can do a number on grass. The stolons will sprout and root at the nodes that form every few inches along itâs length. When planting a new lawn, success will be greatly increased by learning proper watering techniques. Floratam St. Augustine grass was found to be better than Common for the following reasons: It has resistance to SAD virus. Micro-climates can affect growth habits in the northern parts. Watering a New Lawn Watering a new lawn is very different from watering a mature lawn. This type of grass is often found in full sun locations, but it flourishes in other parts of the lawn, especially with a reputation for living in shady conditions. lawn fertilization. Thatch is a layer of organic material, like stems and dead roots, that accumulates in a patch of grass. St. Augustine grass is identified by its broad, flat blades that are a dark green color. St. Augustine grass is semi-drought tolerant, and does best when watering is done only as needed. St Augustine lawn is made of thick above-ground stems with large open space between stems and a tall stiff canopy above the stems. Treating St. Augustine Grass Fungus. The downside of this grass is it is highly susceptible to Brown Patch and during the winter any ounce of extra water will spurn an outbreak of this fungus. This page is your gateway to understanding lawn fertilizer and soil fertility. St. Augustine grass is generally regarded as one of the most shade-tolerant species of grass available to home owners, and grows healthily in shady areas that would be unsuitable for many other species of grass. It grows new roots to replace the old ones. It will, however, slow in growth as the soil drops in temperature. It also takes on a darker blue green hue than most other grasses in its group, hence the name. Damp grass and soil is a condition necessary for certain diseases to take off. Once a lawn is prepared, St. Augustine grass seed is planted at a rate of 1/3 to ½ pound per 1,000 square feet in early spring or late summer. Great shade tolerance is one of the reasons it is preferred over bermudagrass. Overgrown thatch is often characterized by large, unhealthy brown areas of the lawn. The only non-fungal disease that often attacks St. Augustine grass is the viral SAD (St. Part 1 of 3: Clearing the Planting Area. A line from South Carolina to north central Texas marks the northern boundary for this grass. If you reside in a region that experiences frosty weather, this variety of grass isn't right for you. Hours of sunshine to thrive a food source for chinch bugs is by cutting out the thatch hinder! 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