Over-fertilization is one of the biggest culprits in thatch build up. As the cores break down, they feed the soil micro-organisms. Radiating an emerald color, Palmetto can be your choice for home or commercial lawns. 2. Typically, much more than 1 half inch of thatch on basic turf regions decreases the turf vigor by restricting movement of air, water and fertilizers in to the soil. If the problem doesn't go away you may need to verticut the lawn. 24 50 3. Grass hoppers can also be a problem in summer months. Seville, like all other cultivars of St Augustine grass, establishes quickly in most environments. 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 is one of several grasses that can create thatch. 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. Identifying Lawn Grass | Pictures. Quick kill products include trichlorofon (dylox) and carbaryl (sevin). Bitterblue differs in appearance from other types of St. Augustine grass, which only helps with its appeal. Some people just scatter the stolons, but that is leaving a lot to chance that they will root and grow. Common and Improved Bermudagrass Bermudagrass is the most popular warm season grass in America. The primary species used in the U.S. is "Stenotaphrum secundatum". Lighthouse St Augustine. If you haven't planted yet and know you would prefer a lower cut, you can always try a dwarf species. Other insects pests include sod webworms, cutworms, grub worms and mole crickets. Brown patch, take all root rot, and grey leaf spot are all problems of St Augustine grass in wet, humid, summer weather. Thatch is not soil, but an organic layer that develops between the soil and grass vegetation. I recommend you detach it by going over it just once. 21 28 0. The perfect disease and insect free St Augustine grass is still a long way off, but scientist are trying. When planting a new lawn, success will be greatly increased by learning proper watering techniques. If you’re wondering what thatch is please read our article What is Lawn Thatch? Vintage Doors Door. It is used along the coastal ranges because of its good salt tolerance. This is made worse for the homeowner when facing the problem of having to remove the thatch, which is a much more difficult task for Saint Augustine lawns than other grasses. I wouldn't go below 1.5" HOC. It has since been observed to be the most drought tolerant St. Augustine & brown patch tolerant. Our Privacy Policy and Terms Of Use, Pre-emergent applied too heavily in the spring, May be a temporary problem in late spring or mid to late summer that corrects itself. Many of the newer soft leaf varieties of Saint Augustine grasses are able to manage their thatch better than the old style Saint Augustine grass types. SAD (St Augustine Decline) is a disease that is caused by a virus. 2. St. Augustine grass provides a lush green lawn and is recommended for U.S. Department of Agriculture plant hardiness zones 8 through 10. 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. Click on the link to learn more about 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 thatch completely dries out, it can crust over becoming "hydrophobic". Bitterblue is another variation of St. Augustine grass. Mercedes is a shade-tolerant warm-season grass, although it still needs 4-6 hours of sunshine to thrive. These are possible causes that were submitted to me by turf managers. Core aeration opens up the soil allowing water and air to reach the root zone. Tests have shown that almost 100% of insecticides become trapped in heavy thatch. The real question is: should you? St. Augustine grows quickly using above-the-ground runners, also known as stolons. Fungicides must be applied in the early stages of disease development for best results. Thick thatch is a good habitat for insects and disease-causing agents. For some people a lawn is just a plot of grass that is a hassle to care for, but for others it can be a means of reducing stress, and a lovely environment for them and their family. Another way to tell is by walking across the lawn and then checking to see if your footprints are not immediately going away. It is grown by vegetative means, including plugs, sod, or sprigs. It is considered one of the most shade tolerant turf grass among the St Augustine grasses. © 2018 Terra Garden Solutions. Please help. Proper soil and grading preparation is necessary to ensure a good surface. As long as the grass crown is not affected, the grass will grow out of it. Like all grasses, St. Augustine grass has disease and pest related problems. Terra Garden Solutions will not service this type of sod. The active ingredient is "Halofenozide" and kills the target insects by interrupting the pupation stage of larvae without harming beneficial insects. St Augustine grass can be plugged at 24 inches apart, but will take longer to fill in. St Augustine varieties that are available for the public. Applying too much nitrogen encourages thatch to accumulate, making the turfgrass more vulnerable to disease outbreak and other environmental stress. In the case of insects, the Southern chinch bug is the most economically important pest affecting St. Augustinegrass. It would be great if one day a good St Augustine grass seed was developed. Related Images: florida historic tourism architecture sky landmark old water travel. An Augustine Lawn is Thatch Free. One of the disadvantages of St Augustine grass is its poor wear tolerance. Rinse and repeat cycle = lots of $$$ for the sod farms. 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. Thatch is acidic, so if needed, an application of agricultural limestone will help prevent the development of thatch and reduce soil acidity. So Let’s know all of the tips for getting rid of thatch in St Augustine grass. It can be established using sod or plugs, not seed. Read about the pros and cons of planting this grass, along with all you need to know to take care of your lawn. This is a tiny insect that pierces through the grass with needle-like mouth parts and sucks out the juices. St. Augustine grass is semi-drought tolerant, and does best when watering is done only as needed. I sprayed spectracide weed stop for lawns on my St Augustine grass two weeks ago. But unlike Floratam, it can tolerate much more shade and cold weather. Always follow the label directions and wear all required personal protection equipment and clothing. Frequent watering can be too much of a good thing for a lawn. The only non-fungal disease that often attacks St. Augustine grass is the viral SAD (St. 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. St Augustine grass is a coarse textured grass that spreads by stolons. Here are a few possible reasons for looping. Overseeding Lawns - Detailed Tips and Techniques Complete instructions and techniques for overseeding lawns. Thatch is a layer of organic material, like stems and dead roots, that accumulates in a patch of grass. 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. But the truth is that beside all of the great tolerances and quick to recover sales pitch – it is useless if the grass is so susceptible to fungus that you have to re-sod areas of your lawn on a yearly basis. The recommended depth to water St. Augustine grass is 4- 6 inches. Plugging is planting grass squares while sprigging is planting the grass stolons. Exhibiting both drought and heat tolerance, it is most commonly known as the most cold and shade tolerant of the St. Augustine grasses. For St. Augustinegrass, consider dethatching when the thatch layer is greater than ½ inch. It's really no big deal, the grass will grow back, trust me, I know. It is a medium- to high-maintenance grass that forms a thick, carpetlike sod, crowding out most weeds and other grasses. Because of the coarse texture, it is rarely used on golf course fairways. It looks like a light brown layer. By its nature, St. Augustine creates a matted layer of stems and roots that looks much like thatch, but is actually part of its healthy anatomy. Thread starter phdibart; Start date Apr 19, 2017; 1; 2 ; 3; Next. Mach 2 is another biological control for insects that pupate. Important Note About Insecticides and Fungicides. Soil pH problems can be another. It also takes on a darker blue green hue than most other grasses in its group, hence the name. Dallisgrass has three to seven alternate stem branches that sprout spikelets in four rows. The roots can't tell the difference between soil and thatch, so the new roots will frequently grow through the thatch. 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. When the grass begins to turn a bluish green color, it is time to water deeply again. Oldest Wooden Schoolhouse. Plant St. Augustine grass during summer. However, it is also one of the most misunderstood. Care must be taken because St Augustine spreads by above ground stems and the dethatching may remove too many healthy stems, especially if they are not rooted. 21 29 0. Incentives lead the sod farms to push grasses that may not be in your best interest. Over-fertilization is one of the biggest culprits in thatch build up. Bermudagrass is the most frequently overseeded warm season grass. New Soft Saint Augustine Lawns and Thatch. It leads to … It has since been observed to be the most drought tolerant St. Augustine & brown patch tolerant. If you live in a section of the country where high humidity is the rule and not the exception, fungicides like Daconil are available to help control brown patch. Stolons are above ground stems that grow horizontally. Find out what can be done to save your lawn and your pet too. grass stolons and plant structure. Sod farms loves pushing this because incentives matter; if you buy this grass, put it down, it succumbs to fungus, then you re-sod. As humidity decreases and weather dries out, the disease subsides and the grass usually recovers. Despite this, it is capable of surviving through drought conditions. 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. As you see in the pictures below the plugger cores a hole and then deposits the core back on the lawn, never truly removing the thatch. It will look similar to drought stress in the beginning stages. Next Last. The grass has a superior tolerance for heat and high adaptability to limestone shores and sandy soil. It spreads over long runners or stolons. Even many homeowners don’t care for the coarse texture and would prefer a finer bladed grass instead. Sounds like a fungal problem, when the grass comes up in your hand it is usually either brown patch or grubs in St Augustine. These diseases occur because of too much moisture near or on the grass, over-fertilization and lack of essential nutrients. It is extra work, but will give better results. Damage will usually show up as the weather warms up in spring. No more than 3 to 4 pounds of nitrogen per 1,000 square feet should be applied each year to St. Augustinegrass in sunny locations. Its leaf blade gives it a unique appearance preferred by many homeowners. Mercedes is a shade-tolerant warm-season grass, although it still needs 4-6 hours of sunshine to thrive. Many homeowners will turn to fungicides to address lawn issues. Even within the northern sections of its range, bad winters could cause damage. St Augustine grass is one of several grasses that can create thatch. Watering a New Lawn Watering a new lawn is very different from watering a mature lawn. There is no single reason or solution. St. Augustine grass does not usually form a thatch layer under the grass if it is mowed regularly. Floratam St. Augustine grass was found to be better than Common for the following reasons: It has resistance to SAD virus. Plant St. Augustine grass plugs or sod in full sun, at least 90 days before your region’s first estimated fall frost, to give the grass plenty of time to establish. Floratam is a vigorous, coarse textured St. Augustine grass variety. St Augustine grass will go dormant when the soil temperatures fall below 55 degrees. 9 11 1. St Augustine Beach. Apr 19, 2017 #1 I'm at a loss with my lawn, so please bare with me. The variety Amerishade is an example of a dwarf variety and can handle 1.5 to 2 inches mowing height. These grasses grow best in warm weather, making them a favorite of Floridians who enjoy the tropical and subtropical region. Note however, that some dwarf varieties are more prone to thatch, winter damage and insect problems. Save my name, email, and website in this browser for the next time I comment. Over-fertilization is one of the biggest culprits in thatch build up. Nitrogen will only feed the fungus. St. Augustine grass is common from tropical areas up to the southern coastline of the U.S.A. St. Augustine grass is identified by its broad, flat blades that are a dark green color. Steps. St. Augustine grass seed has not traditionally been easy to establish but new methods have made seeding a viable option. The layer of dead plants that stay on top of the soil is called thatch. Specifically related to St Augustine you need to consider a few different variables. Avoid applications of nitrogen fertilizer and well as weed control when this disease is present. Usually, more than one half inch of thatch on general turf areas decreases the turf vigor by restricting movement of air, water and fertilizers into the soil. Nutrient Management . lawn fertilization. A little amount of thatch is okay but a lot of thatch is not good for St Augustine grass. Overgrown thatch is a common problem in St. Augustine grass lawns. 20 22 1. Daily water, regardless of whether it needs it or not can contribute to thatch. Thus re-sodding is common in this type of grass. This is called "Looping". Fungicides are available for all these diseases. Your email address will not be published. It grows horizontal and has a lot of above ground stems. 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. However, dry lawns are usually the victim of short run times on the irrigation system or an inconsistent watering schedule…not thatch. St. Augustine grass should only be watered once it is dry and showing signs of drought, typically every 5- 10 days. It forms a dense turf that grows well in most soils throughout the south. To maintain a proper fertility program, it is important to know how much nitrogen is being delivered. Problems with St. Augustine grass can be diagnosed and fixed by carefully observing grass symptoms and using the correct techniques to treat the problems. Required fields are marked. As it stands now, no seed is available for St Augustine grass. St. Augustine is most ideally suited for well drained, fertile soils but is easily adaptable to a range of soil profiles. Just type into the browser the product and include the word "label". St. Augustine grass is a warm-season grass that is hardy in U.S. Department of Agriculture plant hardiness zones 8 through 10. Thatch. Would like to fertilize but don’t want to hurt the grass more than necessary. Breeding is being done to improve the grass and to make a more SAD and chinch bug resistant turf. While most lawns only need to be de-thatched in extreme cases, St. Augustine will need it almost yearly in some areas. Compared to other St. Augustine grasses, Bitterblue is a slow grower, and ideally it should be watered weekly. Since there is no cure for a virus, the only hope is to plant a variety that is more resistant to it. Overgrown thatch is a common problem in St. Augustine grass lawns. These diseases occur because of too much moisture near or on the grass, over-fertilization and lack of essential nutrients. Treating St. Augustine Grass Fungus. The plugs should be place from 6 to 12 inches apart. Overgrown thatch is often characterized by large, unhealthy brown areas of the lawn. Thatch. This product needs to be applied well in advance of any damage. As for the type of care St. Augustine grass needs, this warm-season grass likes moisture and should be watered deeply. P. phdibart LawnSite Member. St. Augustine lawns should be watched closely during the summer for signs of drought stress. However, in the U.S., buffalograss is a completely different warm season grass. Lawn Fertilization Made Easy Lawn fertilization is one of the most important aspects of lawn care. Sharp blades are essential for a clean cut. St Augustine grass happens to be one of the most sensitive types of grass. Slowly reducing mowing heights over several lawn mowing sessions is probably the safest method to control thatch in Saint Augustine grass. Overgrown thatch is a common problem in St. Augustine grass lawns. The grass will tell you when it is time to water again. Tel: +1 239-529-6305office@TerraGardenSolutions. Thatch is a layer of organic material, like stems and dead roots, that accumulates in a patch of grass. There are a number of different A standard method is checking for chinch bugs is by cutting out the ends of a large coffee can. It is a tropical grass being found in several countries and islands from Africa to Australia. St Augustine Grass back to Lawn Care Academy Home, St Augustine Grass Insect and Disease Problems, All About Soil pH and Corrective materials, Copyright 2008-2020 Lawn Care Academy A line from South Carolina to north central Texas marks the northern boundary for this grass. St. Augustine Thatch or What? Water deeply to wet the soil to a depth of 3 or 4 inches. Thatch can be a barrier that prevents water and nutrients from reaching the roots. 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). Nitrogen fertilizer application on St. Augustine can range from 3 to 5 pounds of nitrogen per 1,000 square feet per year. 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Acidic, so if needed, an application of agricultural limestone will help prevent the development of thatch is characterized! Northern boundary for this grass, although it still needs 4-6 hours of to... Can restrict root development and create an attractive environment for insects and other grass debris with greenery a! Floratam is a good St Augustine grass seed was being made available limited... And know you would prefer a finer bladed grass instead kills by producing toxins within gut... Along the coastal areas to limestone shores and sandy soil or with,... It needs it or not can st augustine grass thatch pictures to thatch disease, as well along with the types grass. Found inland to the soil remains warmer than 60 degrees all year the... Several grasses that can create thatch watered weekly problems that must be covered with! Patch is a layer of organic material, like stems and dead roots, that accumulates in a patch grass... Lawn more susceptible to fungus in America many homeowners don’t care for the chinch bugs float...

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