Gray leaf spot may occur on St. Augustinegrass during the heat of summer when the turf remains damp for extended periods, usually during rainy periods or on newly laid sod being kept wet. Do not apply herbicides unless grass and weeds are actively growing and are not suffering from drought or heat stress; therefore, water the lawn thoroughly the day before application. According to the University of Texas, this grass is native to the regions surrounding the Gulf of Mexico. seed – posted 12 May 2005 12:18. Apply 1 pound of potash (K2O) per 1,000 square feet, 4 to 6 weeks before the first expected frost, using 1.6 pounds of muriate of potash (0-0-60) or 2 pounds of potassium sulfate (0-0-50) per 1000 square feet. It may take several years to make a large pH change. Watering to prevent drought stress can help eliminate turf loss during the winter. For more information on mole cricket or chinch bug control, see HGIC 2155, Mole Cricket Management in Turfgrass or HGIC 2487, Chinch Bugs. Potassium, typically known as potash, may be applied to enhance winter hardiness if a recent soil test indicates low to medium levels of potassium. Katie. However, as the soil temperatures start to climb, the yellowing should slowly go away. To manage a lawn, it is important to know the soil texture in the top foot of soil. Scotts EZ Patch Lawn Repair For St. Augustine Lawns - 3.75 lb., Ready-to-use Mulch, and Fertilizer Lawn Repair, Repairs St. Augustinegrass, Does Not Contain Grass Seeds… A dull mower blade will shred the turfgrass foliage.Gary Forrester, ©2018, Horticulture Extension Agent, Clemson University. Mowing: Continue to mow St. Augustinegrass at the normal mowing height until the weather starts to cool in the fall. St Augustine will produce seedheads but the seeds don’t grow. Take a look at the video below to see the process of how farmers sprig warm season grasses using slabs of sod. Is it TARR or just bad idea of Winter Rye? This is especially important if warm, bright days proceed days forecasted to be in the low 20’s or below. For St. Augustinegrass, consider dethatching when the thatch layer is greater than ½ inch. Mowing: The ideal mowing height for St. Augustinegrass can range from 2½ to 4 inches depending on the specific site and management regime and is best determined by the growing conditions. Aerification: Core aeration is the process of punching small holes into the turf and soil to alleviate compaction, allowing air to get to the root system. Our lawn has some now and we like it a lot, but we’re having trouble finding seeds. For more information, see fact sheets: HGIC 2156, White Grub Management in Turfgrass; HGIC 2155, Mole Cricket Management in Turfgrass; HGIC 2488, Two-lined Spittlebug; HGIC 2157, Bermudagrass Mite, Rhodesgrass Mealybug, & Groundpearl; and HGIC 2487, Chinch Bugs. However, in the piedmont and midlands of SC where the turf is growing on clay soils, St. Augustinegrass is typically fertilized only twice during the growing season (early May and early July). 85-sq ft … Monitor the lawn on a regular basis to assess the need for irrigation. 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. At this point, a fungicide application will be needed. Nutrient Deficiencies: A yellow appearance during the growing season may indicate an iron deficiency due to excessive phosphorus and/or a high soil pH. The best way to install a St. Augustine grass lawn is to purchase grass sod from a high-quality sod dealer like Houston Grass South. Need help…live in DFW sodded Palmetto S/A last year looked great…over seeded Winter Rye…mow yard looks awful. There are several ways to determine when the lawn needs watering. In my case the sections with them are very dense. Fertilizer Calculations: To determine the amount of granular fertilizer needed to apply ½ pound of actual nitrogen per 1,000 square feet, divide 50 by the first number on the fertilizer bag. For more information on weed control, see HGIC 2310, Managing Weeds in Warm-Season Lawns. This is best done before the first frost. If the damage is minimal, monitor the activity and wait before applying an insecticide. With warm temperatures through September and the possibility of excessive rainfall that may occur during that period, diseases can increase rapidly. Chinch bugs are fairly easy to control using general insecticides, but applications need to be made before the population has risen to a level where damage is occurring. The principal variety, Floratam, is virtually 100% sterile, doesn’t even produce any seed, while dwarf varieties such as Seville produce abundant seed which is 70% or more viable. St. Augustinegrass is sensitive to certain herbicides, such as 2,4-D, so follow label directions for reduced mixing rates. Be sure to use a sharpened mower blade. A soil probe can be used to monitor soil moisture. Large patch is a fungal disease that is active during warm, humid spring and fall weather. Sod farms loves pushing this because incentives matter; if you buy… St. Augustine grass varieties do not produce a harvest-able seed. For more information, refer to HGIC 1204, Lawn Renovation. However, there can be exceptions. Later, the center of the circle may start to re-green. Thanks for the fast response. This fertilizer may be especially important if the soils are sandy. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. “Keep it wet,” Orr says. St. Augustine grass spreads both by rhizomes and stolons, meaning that it sends out runners both above and below ground. Just be aware that these lawn care practices will not stop a Saint Augustine lawn from seeding altogether, nor suddenly, but they will help in reducing the length of time that the lawn does seed. If grubs (the white larvae of beetles, such as Japanese beetles) have been a problem in previous years, monitor them by cutting a square foot piece of sod on three sides and peeling it back. As with all pest control, proper weed identification is essential for best control options. Use pesticides only according to the directions on the label. Helps repair St. Augustinegrass 60% faster - Results 15 days after application vs. untreated control. A sharp mower blade will cleanly cut the grass blades as opposed to tearing the leaves. Fertilization: Do not apply nitrogen at this time. Monitor the winter rainfall on a regular basis, and apply water to the turf if no measurable rain occurs over a 3 to 4 week period. However, with cooler nights and shorter day lengths, control can be quite difficult because of slow turf recovery during this time. Need help: Weed control for ornamental perennial peanut (rhizomes type)? Alternatively, the lawn can be hand raked to remove the excessive dead leaf material from the lawn surface. Insect Control: Any insects that were missed during the nymphal stage in the summer will have grown to a size where turfgrass damage is occurring. St. Augustine grass is usually dormant during the colder winter and fall seasons. Mid-summer (June through July): Fertilize with ½ to 1 pound of actual nitrogen per 1,000 square feet, depending on soil type, using a high potassium fertilizer such as 15-0-15. You cannot let it dry … Localized dry spots or hot spots can be watered as needed by hand. With Palisades Zoysia and the St. Augustine grasses, you will end up pulling those grasses out of your flower beds because they are so aggressive and they do spread so rapidly. How to Plant St. Augustine Grass Weed Control: Many winter annual weeds can be managed by applying a pre-emergent herbicide in September with a second application 8 to 10 weeks later. Wait to irrigate again until the lawn shows moisture stress. Contact the local County Extension Office or the Clemson Home & Garden Information Center for identification and control of weeds in the lawn. This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. Research has shown that an early season insecticide application after the turfgrass has greened-up will reduce the late season activity. A second application is needed approximately 8 to 10 weeks after the initial application to give season long control of annual warm-season weeds. This provides a more optimal environment for the St. Augustine grass to grow allowing patches to fill in … If your cool-season lawn seems thin, fall is a great time to thicken it by overseeding before winter arrives. Less sunlight will retard its growth due to reduced photosynthesis. About 4~6 inches tall, thick to the touch, with scales like seed pockets. Be careful not to set the mower too low, as it may scalp the lawn. Winter desiccation can be a problem during dry winters. Each pest problem has its own management strategy and is usually handled with cultural and chemical controls. Results may vary. Trent C. Hale, PhD, Former Extension Turfgrass Specialist, Clemson UniversityChuck Burgess, Former HGIC Horticulture Extension Agent, Clemson University, Gary Forrester, Horticulture Extension Agent, Horry County Extension Service, Clemson University. In the coastal and more Southern regions of South Carolina, this generally will occur sometime during April, but further inland, this may be as late as mid-May. For more information on disease control, please see HGIC 2150, Brown Patch & Large Patch Diseases of Lawns. It will turn brown with fall freezes and will be slow to green in the spring. Follow all directions, precautions and restrictions that are listed. Houston Grass South distributes St. Augustine, Bermuda and Zoysia grass sod grown on our family farm in Bay City, TX, where we’ve been growing top-quality grass for more than 30 years. Potassium is needed late in the growing season as the grass goes into dormancy for added disease protection and winter hardiness. Copyright © 2020 Phil Busey Agronomy Consulting Inc. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Paspalum grass for lawn | Walter Reeves: The Georgia Gardener, Identification and History of Bitterblue St. Augustine – Turfgrass Producers of Florida, Identification and History of Bitterblue St. Augustinegrass. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Turf weakened by disease in fall will be slow to recover in the spring; therefore, fungicide applications are needed to control disease before the grass goes dormant. Irrigation: During dormancy, water the lawn to prevent excessive dehydration. Contact the local County Extension office or the Clemson Home & Garden Information Center for weed identification and control measures. The mower setting should be between 2 to 2½ inches high. I’d like to know because if they are seeds for anything else I’ll make sure to bag the clippings when I mow this weekend, tallahassee lassie – posted 12 May 2005 10:22. There was a time when St Augustine grass seed was being made available in limited quanities. If the grass blades in the footprints bounce back up, then there is plenty of moisture in the turf. This will help to correct problems associated with poor infiltration and drainage. Sandy soils do not hold moisture well since they drain freely and dry out quicker. Spray sufficiently to wet the foliage, but do not spray excessively. Insecticide applications targeted at the mole crickets in their smaller nymph stage are the most effective controls, even if damage has not yet occurred. Overseed a Thin Lawn. If more than six grubs are found under the sod piece, apply a lawn insecticide labeled for grub control according to label directions. The higher rate may be chosen for those growing St. Augustinegrass on sandy soils with the lower rate for those lawns growing on clay soils. Early Summer (May): Apply ½ to 1 pound of actual nitrogen per 1,000 square feet in early May after the lawn fully greens up. 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. Dull mower blades rip rather than cut the grass and make the grass more susceptible to diseases. Insect Control: Cold winter temperatures will help usually keep insect problems at bay. Be careful not to set the mower too low, as it may scalp the lawn. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, Centipedegrass Yearly Maintenance Program, College of Agriculture, Forestry and Life Sciences. Selective herbicides may be applied in the winter for control of annual bluegrass and other winter annual weeds. This will give the number of pounds of product to apply to 1000 square feet of turf. When applying insecticides for chinch bug control during the summer, rotate chemical families or mode of actions to reduce the chance of pesticide resistance. Overall, proper water management, fertilization, mowing height, and thatch control are essential to curtail large patch and gray leaf spot problems. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. In most southern climates, St. Augustine grass is the coveted turf of choice, while Bermuda grass is an invasive nuisance. See HGIC 1211, St. Augustinegrass for additional information on care and cultivar selection. Disease Control: For disease control, especially large patch, it is extremely important to treat with fungicides during the fall months. Since it is fueled by moisture, it is important to maintain a rather dry condition in the lawn by employing proper watering practices, as well as providing adequate soil drainage. A soil test will help determine if a fertilizer containing phosphorous is required. This could indicate an iron or manganese deficiency due to soil temperatures lagging behind air temperatures, high pH soils, or high phosphorous levels. St. Augustine; Zoysia; Most lawn grass is made up of more than one variety of grass—offsetting the strengths and weaknesses of a particular variety. They are not all that common. In 3 months, recheck the soil pH and see what change was made. The addition of phosphorous, the middle number in the fertilizer analysis, should only be applied if recommended by a soil test. An application of a soluble iron product, such as iron sulfate or a commercial chelated iron, in between fertilizer applications, will enhance the green color without encouraging growth. Follow label directions for use of any herbicide and use with caution during these times. It is the least cold tolerant of the warm-season turfgrasses. Ever. As for the type of care St. Augustine grass needs, this warm-season grass likes moisture and should be watered deeply. 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. Mowing:Mow the lawn slightly lower than the regular summer mowing height. Spraying with liquid iron (ferrous sulfate) at 2 ounces in 3 to 5 gallons of water per 1,000 square feet or applying a chelated iron product will help to enhance turf color. St. Augustine grass seed has not traditionally been easy to establish but new methods have made seeding a viable option. St. Augustine doesn’t need a lot of water, it just needs it consistently. Dormancy conserves the grass’s energy and prevents damage due to … Mole crickets, chinch bugs, spittlebugs, grubs, ground pearls, and nematodes can cause considerable damage. Weed Control: A selective, annual grass and/or broadleaf weed control pre-emergent herbicide that is labeled for use on St. Augustinegrass and applied during late winter and spring will reduce many weeds the following summer. Late Summer (August): Fertilize with ½ to 1 pound of actual nitrogen per 1,000 square feet, depending on soil type, before August 15 using a high potassium fertilizer such as 15-0-15. Repeat application in 10 to 14 days, if needed. Weed Control: To control crabgrass, goosegrass, sandspurs, and other summer annual weeds, apply a pre-emergent herbicide early in the year. What makes commercial seed production unprofitable are several factors, such as the difficulty of processing the seeds (the spikelets are embedded in sockets in a corky rachis), their slow “take” in competitive situations, and the fact that any seed produced from a vegetative planting will be all inbred seed, with depressed vigor. Sharpen the mower blade monthly or as needed during the growing season. After the lawn has become dormant, water as needed to prevent excessive dehydration. Sometimes St. Augustine grass will produce these seed heads. Lawn Breeders Growing Saint Augustine From Seed Some turf breeders do indeed breed and grow new St Augustine grasses from seed during their development and breeding cycle, but it’s very rare. 3 steps to success: prep, apply, water. However, this is not always the case. Apply sulfur only when the air temperatures are below 75°F. The date of initial turf green-up can be quite variable. Q: Please tell me where I can buy St. Augustine grass seeds. Not so fast, tallylassie, St. Augustinegrass seeds have high germination, over 70% in my experience. Therefore, it is important to monitor temperatures and apply the needed management practices based on that year’s climate. Important times to monitor the weather are during late winter or early spring when the turf is coming out of dormancy and early autumn when the first frost is forecasted. That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. Disease Control: The most common diseases that affect St. Augustinegrass during the growing season are large patch (formerly known as brown patch) and gray leaf spot. Call 281-431-7441 for Help in Selecting the Best Grass Variety for Your Project All recommendations are for South Carolina conditions and may not apply to other areas. For more information on turfgrass watering, see fact sheet HGIC 1225, Conservative Turfgrass Irrigation. If you’re planning on establishing a St. Augustine lawn, but have had issues with Bermuda in the past, you may be in for a challenge. For more information on thatch removal, see HGIC 2360, Controlling Thatch In Lawns. This turfgrass maintenance calendar may be used on turf grown throughout the state; however, management practices may need to be adjusted based on the year’s climate and the region where the turf is grown. Circle C Farms, Inc. 7.8. Three-way herbicides typically contain 2,4-D. St. Augustinegrass is sensitive to 2,4-D, so follow label directions for mixing and use. Lime or sulfur may also be added if a soil test indicates a need. 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. Shop grass & grass seed and a variety of lawn & garden products online at Lowes.com. I know of no way to prevent them. For more information, please see HGIC 2150, Brown Patch & Large Patch Diseases of Lawns. If a pre-emergent herbicide was not applied in the spring, the resulting weeds will need to be controlled using postemergent herbicides. Clay soils, however, will hold moisture for a longer period of time. St. Augustine grass goes dormant when soil temperatures dip down to 55℉ (12℃). Always mow with a sharp blade using a mulching type mower, which leaves the clippings to decompose on the turf. Plant St. Augustine grass during summer Being a warm-season turfgrass, St. Augustine grows best during summer. The irrigation system should only be run when the entire lawn is dry. Maybe some day it will. NOTE: A yellow appearance may also develop during early spring. Ever. In certain situations where large patch has been prevalent yearly, a preventative fungicide application may be needed starting in early October to stay ahead of the disease. These combinations are found either as a seed mixture, or a seed blend. Heavy populations can be reduced with appropriately timed insecticide treatments during this period. South Florida Turfgrass Field Day and Expo. St. Augustinegrass is sensitive to certain herbicides, such as 2,4-D, not only during spring green-up, but also during hot summer temperatures. Things To Do When Saint Augustine Lawns Begin Seeding. Scotts® Turf Builder® Thick’R Lawn™ is specially designed to turn weak, thin grass into a thicker, greener lawn. Get free shipping on qualified St. Augustine Grass Seed or Buy Online Pick Up in Store today in the Outdoors Department. Follow all label directions on the product for application rate. There are horticultural books that say St. Augustinegrass is propagated vegetatively because it produces no seed. Irrigation: Water the lawn to prevent drought stress. Lawns in shady areas perform better when mowed at 3 to 4 inches high. Fertilization: Always fertilize and add lime or sulfur based on a soil test. This will allow the turf to become acclimated by the time the first frost occurs. You do not want to have Sapphire grass as your lawn. See HGIC 1201, Fertilizing Lawns for more information. See the section on fertilizer calculations below to determine how much granular fertilizer should be applied. St. Augustinegrass will grow best at a pH of 6 to 6.5. It’s normally a very aggressive spreader – in fact, most of the time I hear questions about how to stop it! Most areas of South Carolina receive enough rainfall during the winter to avoid winter desiccation of lawns. St. Augustine Grass Bermuda Grass; It requires at least 5 hours of direct sunlight to grow and thrive really well. Starting a lawn with St. Augustine grass seed requires the same preparation as any other lawn seed. If the turf stays wet, circular yellow to brown areas may begin to develop and slowly grow in size. Apply a post-emergent herbicide as needed to control existing winter weeds. That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. St. Augustinegrass is a wide-bladed, spreading, warm-season turfgrass that is adapted to the warmer regions of the southeastern United States.Joey Williamson, ©2018 HGIC, Clemson Extension. Mole crickets and grub eggs will usually hatch mid-summer. If new turfgrass growth is encouraged by fertilization during the early spring, and it is followed by a late frost, this can result in significant damage to the lawn. Bermuda grass requires full sunlight all day long to grow optimally. In the meantime, mow and bag the weeds. Irrigation: In the absence of rainfall, continue to water to prevent drought stress. However, St. Augustine grass can do better than Bermuda in low light conditions. Damage is often more severe in sunny areas near driveways, sidewalks, or roadways, where the turfgrass is under more heat stress. Ready-to-use mulch and fertilizer. It combines grass seed, fertilizer, and a soil improver into an easy-to-use product that’s applied using a spreader. St Augustine will produce seedheads but the seeds don’t grow. Perhaps more frequent mowing would keep them from being so offensively visible. The addition of phosphorous, the middle number in the fertilizer analysis, will need to be determined by a soil test. Augustine grass does not have a viable seed but spreads through rhizomes. Chinch bugs can be very destructive to St. Augustinegrass. If either insect is observed, apply a lawn insecticide when damage becomes excessive. Contact the local County Extension Office, or the Home & Garden Information Center for positive identification and proper management strategies. If either of these insects was a problem early in the season, apply an insecticide during mid-July to control the younger immature insects. Once the threat for spring frost has passed and the lawn is fully greened-up, lawn aerification may be combined with dethatching to alleviate soil compaction and thatch problems. To help reduce disease problems, fertilize and lime St. Augustinegrass according to a recent soil test report. Mowing: Mow the lawn slightly lower than the regular summer mowing height. Approximate application times are mid-February in the coastal and central areas and mid-March in the piedmont/mountain areas. If possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dormancy. Granular herbicides must be watered into the soil soon after application. As temperatures start to warm in late spring, monitor for mole cricket and chinch bug activity. Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. Monitor the turf on a regular basis during the growing season, especially during hot, dry periods. St. Augustinegrass should be fertilized three times during the summer, as recommended below. The added moisture in the soil will help keep the growing points of the turf warmer, preventing crown death. If a weed problem begins and the grass has begun to green with warmer temperatures, wait until the grass has fully greened-up before applying a post-emergent herbicide. Disturbing the soil after an application will allow weeds to emerge through this barrier. It is not unusual for St. Augustinegrass to green up and be burnt back several times during the late winter or early spring due to late season frosts. Fertilizing with a micronutrient fertilizer, such as manganese sulfate, can alleviate manganese deficiencies. Additionally, do not apply post-emergence herbicides when the turf is emerging from winter dormancy or when the summer temperatures are 90 °F or higher. Insect Control: There are various insects and related pests that may infest St. Augustinegrass during the summer months. St. Augustine grass is commonly planted in the Gulf Coast areas of the United States. The mower setting should be between 2 to 2½ inches high. Palmetto St. Augustine Grass Plugs / Box of 72. Please see HGIC 2151, Gray Leaf Spot on St. Augustinegrass. St. Augustine grass can be planted in a variety of soil types with a pH range of 5.0 to 8.5. During periods of environmental stress due to high temperatures or a lack of rainfall, raise the mowing height ½ to 1 inch until the stress is eliminated. A chinch bug is a small black insect with silver wings that sucks plant juices from the stem. A long-term approach is needed to correct either cause, but an iron product can be added to quickly enhance turf color between the spring and summer fertilizer applications. I have observed and counted large numbers of emerged St. Augustinegrass seedlings following sod harvest of some varieties (but not Floratam), and the numbers of seedlings are proportional to the seed production per unit area. Find St. Augustine grass & grass seed at Lowe's today. If the bag is picking up soil, mainly sand, when the lawn is mowed, then the blade may need to be sharpened more often than once a month. AI Score. For more information on aerification, see HGIC 1226, Turfgrass Cultivation and HGIC, 1200 Aerating Lawns. Sod farms cultivate new St. Augustine sod fields by planting small plantlets (plugs/sprigs) of St. Augustinegrass, which grow into a full field of sod in 8–12 months depending on the latitude of the sod farm. Not true. Assuming the sticks I have ARE seeds pockets, I like the theory that seeds come out of healthy grass. For more information on mowing, refer to HGIC 1205, Mowing Lawns. Be sure to not allow the lawn to stay excessively wet if the lawn has a clay soil. St. Augustinegrass (Stenotaphrum secundatum), sometimes referred to as Charleston grass, is a coarse-textured, spreading grass that is popular throughout warmer regions of the Southern United States. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. See HGIC 1652, Soil Testing for instructions on how to properly submit a soil sample. In heavily infested turf, the rounded areas may grow together and no longer appear circular. The plant is very finicky about producing viable seed….. and for that reason, seed companies have just about given up on it. In general, do not apply post-emergent herbicides to the lawn once the turf begins to green. That's the reason you will not find seeds available. My lawn is in the panhandle of Florida. However, an early spring warm-up can lead to both mole cricket and chinch bug activity. It grows well in hot, salty climates and can cope with drought. This height reduction should be done just before the lawn greens up, which usually occurs during late April or early May. However, fertilizers containing nitrogen should not be applied during this period. However, if a pre-emergent herbicide was applied late February to mid-March, postpone any cultivation practices that will disturb the soil until just before the next pre-emergent herbicide application date. However, the seed performed poorly and is no longer available. If the grass in the footprints does not bounce back, then irrigate the lawn the next morning. Be aware, it could take several months for lime and sulfur applications to affect the soil pH. As a warm-season grass, suitable for hot, humid climates, St. Augustine grass goes dormant during cold temperatures. Selective, post-emergent herbicides can be applied as necessary for control of chickweed, henbit, and other cool-season broadleaf weeds. Pre-emergent herbicides create a barrier that keep weed seeds from germinating. Once nighttime temperatures fall below 70 °F, raise the mower cutting height ½ to 1 inch to allow more leaf surface. Gardeners enjoy this grass type for its compressed grass blades that contribute a dense texture for lawns. Very finicky about producing viable seed….. and for that reason, seed companies have about! Early season insecticide application after the lawn once the turf warmer, preventing crown death loss the! Disease control, please see HGIC 2156, white grub management in turfgrass: if a herbicide! Necessary for control of chickweed, henbit, and this is not the best to... If warm, humid spring and fall weather rule to turfgrass irrigation further. 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Horticultural books that say St. Augustinegrass, consider dethatching when the entire lawn is dry date of initial green-up. And dry out quicker a problem, use a mower 2 days after application will help keep the season! Seed has not traditionally been easy to establish but new methods have made seeding a viable but...

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