Overgrown thatch is a common problem in St. Augustine grass lawns. Oddly, dethatching St. Augustine grass is a hotly-debated question in the horticulture world. Lighthouse St Augustine. It's really no big deal, the grass will grow back, trust me, I know. Always follow the label directions and wear all required personal protection equipment and clothing. Once consumed by the insects, it kills by producing toxins within their gut. These diseases occur because of too much moisture near or on the grass, over-fertilization and lack of essential nutrients. Overgrown thatch is often characterized by large, unhealthy brown areas of the lawn. Advantages & Disadvantages of St. Augustine Grass. Overgrown thatch is a common problem in St. Augustine grass lawns. Overgrown thatch is often characterized by large, unhealthy brown areas of the lawn. Bermudagrass has very poor shade tolerance and will only grow a couple feet into moderate to heavy shade. Over-fertilization of mature turf only encourages thatch, insect and disease problems. Treating St. Augustine Grass Fungus. 21 18 2. When to Plant St. Augustine Grass. Part 1 of 3: Clearing the Planting Area. Mercedes is a shade-tolerant warm-season grass, although it still needs 4-6 hours of sunshine to thrive. With this disease, as the name sounds, the roots rot and the plant dies. St Augustine Lawn Lives Above Ground. The Bayleton fungicide, as well as others, are labeled for many diseases that effect St Augustine. 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. It begins as a 1 foot patch and can enlarge to several feet in diameter. Note however, that some dwarf varieties are more prone to thatch, winter damage and insect problems. Thatch. An Augustine Lawn is Thatch Free. A thick accumulation of thatch in St. Augustine grass can cause suffocation and the slow death of grass. St Augustine grass will go dormant when the soil temperatures fall below 55 degrees. Of course, it’s possible to dethatch any lawn. I often get questions about St Augustine Grass runners growing on the grass surface or sticking up in the air. Many companies specialize in this work or you can do it yourself. This could also prevent insecticides from controlling the target insects. Thread starter phdibart; Start date Apr 19, 2017; 1; 2 ; 3; Next. Using a de-thatcher when it is not needed can hurt the grass more than it helps. This encourages rooting. I wouldn't go below 1.5" HOC. St. Augustine grass does not usually form a thatch layer under the grass if it is mowed regularly. It is this mat of stems and stiff canopy that is often – and wrongly – called thatch. St. Augustine grass seed needs to be kept moist while it is establishing. With a little maintenance, the sod may soon grow into a luxurious St. Augustine lawn. Required fields are marked. The real question is: should you? 14 12 0. St Augustine grass happens to be one of the most sensitive types of grass. There is no single reason or solution. Nature Sunset Water. 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. The layer of dead plants that stay on top of the soil is called thatch. Important Note About Insecticides and Fungicides. Tel: +1 239-529-6305office@TerraGardenSolutions. St Augustine grass is one of several grasses that can create thatch. In the case of insects, the Southern chinch bug is the most economically important pest affecting St. Augustinegrass. Its leaf blade gives it a unique appearance preferred by many homeowners. Water will not penetrate through hydrophobic thatch, but instead, will pool on the surface. Like all grasses, St. Augustine grass has disease and pest related problems. So you must remove thatch from St Augustine grass. I believe that I lost a considerable portion (70%) of my newly installed Palmetto St. Augustine yard to TARR (root rott). If using stolons, the stolons must be covered over with a thin layer of dirt except for the grass blades. Specifically related to St Augustine you need to consider a few different variables. Control henbit, chickweed and other cool-season weeds with a hormone-based herbicide in early spring. Nutrient Management . A thin layer of quality organic matter will feed the beneficial micro-organisms that, in turn, feed on the thatch. For any Australian readers, the land Down Under calls this grass buffalograss. It is very susceptible to winter damage much farther north. It looks like a light brown layer. Thatch. Brown patch, take all root rot, and grey leaf spot are all problems of St Augustine grass in wet, humid, summer weather. Before you dethatch, go out and examine your lawn grass. One of the disadvantages of St Augustine grass is its poor wear tolerance. Thatch is a layer of organic material, like stems and dead roots, that accumulates in a patch of grass. Most of the diseases that attack St. Augustine grass are fungal diseases. So Let’s know all of the tips for getting rid of thatch in St Augustine grass. The grass will tell you when it is time to water again. However, in the U.S., buffalograss is a completely different warm season grass. The only non-fungal disease that often attacks St. Augustine grass is the viral SAD (St. Other insects pests include sod webworms, cutworms, grub worms and mole crickets. It spreads over long runners or stolons. The most common St. Augustine grass used by Florida homeowners is Flortam. Fertilizers, pesticides, and herbicides have difficulty penetrating the thatch and become trapped in it. If you reside in a region that experiences frosty weather, this variety of grass isn't right for you. Seville St. Augustine grass can make your home look beautiful with greenery without a high amount of lawn care. Seville is considered a dwarf cultivar that is a much finer textured grass than Floratam. Bermudagrass is the most frequently overseeded warm season grass. I recommend you detach it by going over it just once. For St. Augustinegrass, consider dethatching when the thatch layer is greater than ½ inch. St. Augustine grass grows best in the warmth of spring and summer, when high temperatures are normally 80-100 °F. Find out what must be done to finally end your moss problems. St. Augustine grass is characteristically coarse with a light to medium green color. Aviles Street. It is considered one of the most shade tolerant turf grass among the St Augustine grasses. 4. Click here for buffalo grass facts, care and maintenance tips, adaptation range, popular varieties, and much more. Press the can into the ground on the edge of the damaged area. 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. There is hope. We are currently focusing on mapping QTL associated with Southern chinch bug … It will look similar to drought stress in the beginning stages. Tests have shown that almost 100% of insecticides become trapped in heavy thatch. One of St. Augustine’s major flaws is that it tends to develop thatch rapidly compared to other grasses. New Soft Saint Augustine Lawns and Thatch. The coarse texture makes it unsuitable for golf courses and is only used in a few places. Next Last. It will give you all the information you need to know before use, what personal protection clothing you need and if it is safe around pets or children or how long they need to stay off the lawn. Don’t mow until the grass has sufficient root and is anchored to the soil or it may lift and be cut by the mower blades. The lawn should be watered immediately when edges of grass blades begin to curl, grass fails to spring back quickly when walked on, or the turf takes on a dull bluish-gray color. The can will lose water quickly as it absorbs into the ground, so make sure the water is always above the grass line inside the can. Its a highly profitable grass for sod farms to keep selling because there will be areas of the lawn each year that will need to be re-sodded. Exhibiting both drought and heat tolerance, it is most commonly known as the most cold and shade tolerant of the St. Augustine grasses. If needed, vertical mowing or dethatching machines, can be rented to tear out the thatch. SAD (St Augustine Decline) and chinch bugs can be a severe pest. Don’t water heavily, you don’t want to water log the soil. While most lawns only need to be de-thatched in extreme cases, St. Augustine will need it almost yearly in some areas. Thatch. Over-fertilization is one of the biggest culprits in thatch build up. Soil pH problems can be another. Apr 16, 2018 - Explore Simon Verdin's board "St Augustine grass" on Pinterest. With a slightly finer texture than other St. Augustine types, Palmetto St. Augustine will grow in a variety of soil types and climate conditions. It can be cut at a height of three to four inches, and mowing frequency should be adjusted to the amount of growth, never removing more than one third of the height of the leaf blade while mowing. Most of the St. Augustine lawns are growing on sand. A soil test will tell you what your soil pH is. Study your St. Augustine grass for clumping perennial weeds that have rough, hairy leaf sheath bases to identify dallisgrass. This product needs to be applied well in advance of any damage. 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