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. St. Augustine varieties are available in sod, sprigs or plugs only. 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. If your cool-season lawn seems thin, fall is a great time to thicken it by overseeding before winter arrives. The scores from … Our lawn has some now and we like it a lot, but we’re having trouble finding seeds. If more than six grubs are found under the sod piece, apply a lawn insecticide labeled for grub control according to label directions. There are horticultural books that say St. Augustinegrass is propagated vegetatively because it produces no seed. 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. Mowing: Mow the lawn slightly lower than the regular summer mowing height. That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. I contacted Dr. Richard Duble, Turfgrass Specialist and Professor for A&M and he writes: "seedstalks are not that uncommon in the summer. Sod farms loves pushing this because incentives matter; if you buy… 3 steps to success: prep, apply, water. 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. Bermuda grass requires full sunlight all day long to grow optimally. Irrigation: Water the lawn to prevent drought stress. 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. Follow label directions for use of any herbicide and use with caution during these times. Lime or sulfur may be applied if recommended by a recent soil test. Starting a lawn with St. Augustine grass seed requires the same preparation as any other lawn seed. 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. Augustinegrass is sensitive to certain herbicides, such as 2,4-D, so follow label directions for reduced mixing rates. If a pre-emergent herbicide was not applied in the spring, the resulting weeds will need to be controlled using postemergent herbicides. If the damage is minimal, monitor the activity and wait before applying an insecticide. 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 most southern climates, St. Augustine grass is the coveted turf of choice, while Bermuda grass is an invasive nuisance. Get free shipping on qualified St. Augustine Grass Seed or Buy Online Pick Up in Store today in the Outdoors Department. Ready-to-use mulch and fertilizer. Monitor the lawn on a regular basis to assess the need for irrigation. However, an early spring warm-up can lead to both mole cricket and chinch bug activity. In general, do not apply post-emergent herbicides to the lawn once the turf begins to green. All recommendations are for South Carolina conditions and may not apply to other areas. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. i guess they don’t have st. augustine in new jersey…. Circle C Farms, Inc. 7.8. Augustine grass does not have a viable seed but spreads through rhizomes. 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. You cannot let it dry … It may take several years to make a large pH change. There will be small purplish spots on the leaves and at an advanced stage, the grass will have a scorched appearance. If either insect is observed, apply a lawn insecticide when damage becomes excessive. Monitor the turf on a regular basis during the growing season, especially during hot, dry periods. NOTE: A yellow appearance may also develop during early spring. 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. Perhaps more frequent mowing would keep them from being so offensively visible. Localized dry spots or hot spots can be watered as needed by hand. 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. Take a look at the video below to see the process of how farmers sprig warm season grasses using slabs of sod. A soil probe can be used to monitor soil moisture. 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. 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. Contact the local County Extension office or the Clemson Home & Garden Information Center for weed identification and control measures. It will turn brown with fall freezes and will be slow to green in the spring. 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. Large patch is a fungal disease that is active during warm, humid spring and fall weather. Spray sufficiently to wet the foliage, but do not spray excessively. Lawns in shady areas perform better when mowed at 3 to 4 inches high. Apply an insecticide to reduce the population and reduce further turf damage. Fertilization: Do not apply nitrogen at this time. As for the type of care St. Augustine grass needs, this warm-season grass likes moisture and should be watered deeply. tallahassee lassie – posted 12 May 2005 12:35, Hmmmmmm,I guess I have learned something today.I grow several types of St.Augustine,but have never noticed that happen.I am going to observe my varieties closer to see.Any publications to support this?Thought it all was sterile.I have noticed the seed heads seem to be produced by the healthier grass.Thanks. 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. If possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dormancy. Producing a yearly maintenance calendar for managing turfgrass consistently year after year can be difficult in a state with such a diverse climate as South Carolina. St. Augustine Grass Bermuda Grass; It requires at least 5 hours of direct sunlight to grow and thrive really well. It is a medium- to high-maintenance grass that forms a thick, carpetlike sod, crowding out most weeds and other grasses. Apply a post-emergent herbicide as needed to control existing winter weeds. 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. Most areas of South Carolina receive enough rainfall during the winter to avoid winter desiccation of lawns. Irrigation: In the absence of rainfall, continue to water to prevent drought stress. A chinch bug is a small black insect with silver wings that sucks plant juices from the stem. Sharpen the mower blade monthly or as needed during the growing season. A soil test will help determine if a fertilizer containing phosphorous is required. In 3 months, recheck the soil pH and see what change was made. This is especially important if warm, bright days preceed days forecasted to be in the low 20’s or colder. St. Augustine grass goes dormant when soil temperatures dip down to 55℉ (12℃). Contact the local County Extension Office, or the Home & Garden Information Center for positive identification and proper management strategies. However, this is not always the case. However, St. Augustine grass can do better than Bermuda in low light conditions. Later, the center of the circle may start to re-green. When the entire lawn appears dry, apply ¾ to 1 inch of water the next morning. Do not mow the lawn 3 days prior or 2 days after application. Irrigation: During dormancy, water the lawn to prevent excessive dehydration. As a warm-season grass, suitable for hot, humid climates, St. Augustine grass goes dormant during cold temperatures. Ever. 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. For more information on thatch removal, see HGIC 2360, Controlling Thatch In Lawns. For more information on turfgrass watering, see fact sheet HGIC 1225, Conservative Turfgrass Irrigation. 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… Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. The addition of phosphorous, the middle number in the fertilizer analysis, will need to be determined by a soil test. St. Augustinegrass is sensitive to certain herbicides, such as 2,4-D, not only during spring green-up, but also during hot summer temperatures. For more information, please see HGIC 2150, Brown Patch & Large Patch Diseases of Lawns. Be sure to use a sharpened mower blade. There was a time when St Augustine grass seed was being made available in limited quanities. This height reduction should be done just before the lawn greens up, which usually occurs during late April or early May. I know of no way to prevent them. It’s normally a very aggressive spreader – in fact, most of the time I hear questions about how to stop it! Heavy populations can be reduced with appropriately timed insecticide treatments during this period. See the section on fertilizer calculations below to determine how much granular fertilizer should be applied. This is especially important if warm, bright days proceed days forecasted to be in the low 20’s or below. Wait to irrigate again until the lawn shows moisture stress. St. Augustine grass spreads both by rhizomes and stolons, meaning that it sends out runners both above and below ground. However, the seed performed poorly and is no longer available. 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. There are several ways to determine when the lawn needs watering. Fertilization: Always fertilize and add lime or sulfur based on a soil test. Ever. 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. Always mow with a sharp blade using a mulching type mower, which leaves the clippings to decompose on the turf. Apply 5 lbs of pelletized sulfur per 1000 square feet of turf. Does not contain grass seed. Not so fast, tallylassie, St. Augustinegrass seeds have high germination, over 70% in my experience. However, there can be exceptions. Summer weeds, such as spurge and annual lespedeza can be managed by using a post-emergent herbicide for broadleaf weeds sometimes referred to as a 3-way mix. The rate will depend on soil type. Use pesticides only according to the directions on the label. The irrigation system should only be run when the entire lawn is dry. 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. Follow all directions, precautions and restrictions that are listed. 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. 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. 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 possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dormancy… Soils in the upstate are typically acidic and rarely need sulfur applications but usually do need lime. Be careful not to set the mower too low, as it may scalp the lawn. 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. Renovation: Replant large bare areas in May using sod, plugs, or sprigs (5 bushels per 1,000 square feet). For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. 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. When applying insecticides for chinch bug control during the summer, rotate chemical families or mode of actions to reduce the chance of pesticide resistance. 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. Potassium is needed late in the growing season as the grass goes into dormancy for added disease protection and winter hardiness. Be aware, it could take several months for lime and sulfur applications to affect the soil pH. To help reduce disease problems, fertilize and lime St. Augustinegrass according to a recent soil test report. 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. Therefore, it is important to monitor temperatures and apply the needed management practices based on that year’s climate. It is the least cold tolerant of the warm-season turfgrasses. Sandy soils do not hold moisture well since they drain freely and dry out quicker. This is best done before the first frost. According to the University of Texas, this grass is native to the regions surrounding the Gulf of Mexico. 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. 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. Lime or sulfur may also be added if a soil test indicates a need. Mowing: Continue to mow St. Augustinegrass at the normal mowing height until the weather starts to cool in the fall. ANSWER: St. Augustine grass does not generally produce viable seeds like other types of grasses do. Unfortunately, between the front and back lawn I probably have 2 to 4 different types of turf. Mole crickets, chinch bugs, spittlebugs, grubs, ground pearls, and nematodes can cause considerable damage. St. Augustinegrass should be fertilized three times during the summer, as recommended below. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1218 | Published: Aug 31, 2018 | Print | Download (PDF). Assuming the sticks I have ARE seeds pockets, I like the theory that seeds come out of healthy grass. In my case the sections with them are very dense. As it stands now, no seed is available for St Augustine grass. 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. Granular herbicides must be watered into the soil soon after application. Damage is often more severe in sunny areas near driveways, sidewalks, or roadways, where the turfgrass is under more heat stress. Dull mower blades rip rather than cut the grass and make the grass more susceptible to diseases. This could indicate an iron or manganese deficiency due to soil temperatures lagging behind air temperatures, high pH soils, or high phosphorous levels. 85-sq ft … The plant is very finicky about producing viable seed….. and for that reason, seed companies have just about given up on it. The mower blade needs to be sharpened on a regular basis – usually about once a month or at least before the growing season starts. See HGIC 1211, St. Augustinegrass for additional information on care and cultivar selection. With warm temperatures through September and the possibility of excessive rainfall that may occur during that period, diseases can increase rapidly. Nutrient Deficiencies: A yellow appearance during the growing season may indicate an iron deficiency due to excessive phosphorus and/or a high soil pH. Need help: Weed control for ornamental perennial peanut (rhizomes type)? One way is to observe the lawn daily. 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. Maybe some day it will. Please see HGIC 2151, Gray Leaf Spot on St. Augustinegrass. If the turf stays wet, circular yellow to brown areas may begin to develop and slowly grow in size. See HGIC 1201, Fertilizing Lawns for more information. Weed Control: To control crabgrass, goosegrass, sandspurs, and other summer annual weeds, apply a pre-emergent herbicide early in the year. 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. For more information, refer to HGIC 1204, Lawn Renovation. When to Plant St. Augustine Grass St. Augustine grass grows best in the warmth of spring and summer, when high temperatures are normally 80-100 °F. If an insect problem occurs, it is important to positively identify the problem and select the appropriate insecticide to apply. I think I’ll use the bag in the mower this time, just in case. Overseed a Thin Lawn. If the grass blades in the footprints bounce back up, then there is plenty of moisture in the turf. Mole crickets and grub eggs will usually hatch mid-summer. 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. Not so fast, tallylassie, St. Augustinegrass seeds have high germination, over 70% in my experience. All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. Each pest problem has its own management strategy and is usually handled with cultural and chemical controls. 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. Follow all label directions on the product for application rate. Chinch bugs can be very destructive to St. Augustinegrass. 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. Use a lawn mower with a bag attached or hand rake to collect and properly dispose of the turf material pulled up. They are not all that common. For more information on weed control, see HGIC 2310, Managing Weeds in Warm-Season Lawns. “Keep it wet,” Orr says. If a soil test indicates a higher soil pH, sulfur can be applied to lower it. 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. The added moisture in the soil will help keep the growing points of the turf warmer, preventing crown death. Shop grass & grass seed and a variety of lawn & garden products online at Lowes.com. For more information on disease control, please see HGIC 2150, Brown Patch & Large Patch Diseases of Lawns. St. Augustinegrass lawns should receive 2 to 4 pounds of actual nitrogen per growing season, per 1000 square feet of turf. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. seed – posted 12 May 2005 12:18. 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. Research has shown that an early season insecticide application after the turfgrass has greened-up will reduce the late season activity. St. Augustine is a warm-season grass that grows well in full sun and moist soil in warm, coastal areas. How to Plant St. Augustine Grass To determine the amount of product required to apply 1 pound of actual nitrogen per 1,000 square feet, divide 100 by the first number on the fertilizer bag. Find St. Augustine grass & grass seed at Lowe's today. Do not use a power rake with a 1-inch blade spacing, as severe turf injury may result. 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. South Florida Turfgrass Field Day and Expo. After the lawn has become dormant, water as needed to prevent excessive dehydration. Q: Please tell me where I can buy St. Augustine grass seeds. Disease Control: For disease control, especially large patch, it is extremely important to treat with fungicides during the fall months. Palmetto St. Augustine Grass Plugs / Box of 72. Fertilizing with a micronutrient fertilizer, such as manganese sulfate, can alleviate manganese deficiencies. The mower setting should be between 2 to 2½ inches high. Join our mailing list to receive the latest updates from HGIC. Apply sulfur only when the air temperatures are below 75°F. Overall, proper water management, fertilization, mowing height, and thatch control are essential to curtail large patch and gray leaf spot problems. St. Augustine grass seed has not traditionally been easy to establish but new methods have made seeding a viable option. This will allow the turf to become acclimated by the time the first frost occurs. On first signs of seeding, apply these lawn care tips to your Saint Augustine lawn: That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. 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. St. Augustine grass is commonly planted in the Gulf Coast areas of the United States. 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. The mower setting should be between 2 to 2½ inches high. 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. St. Augustine grass is usually dormant during the colder winter and fall seasons. Gardeners enjoy this grass type for its compressed grass blades that contribute a dense texture for lawns. St. Augustine grass varieties do not produce a harvest-able seed. 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. Need help…live in DFW sodded Palmetto S/A last year looked great…over seeded Winter Rye…mow yard looks awful. 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. In heavily infested turf, the rounded areas may grow together and no longer appear circular. These combinations are found either as a seed mixture, or a seed blend. This is not the best time to apply an insecticide because of the cool soil temperatures and reduced insect activity. Insecticide applications targeted at the mole crickets in their smaller nymph stage are the most effective controls, even if damage has not yet occurred. Plant St. Augustine grass during summer Being a warm-season turfgrass, St. Augustine grows best during summer. This fertilizer may be especially important if the soils are sandy. This will give the number of pounds of product to apply to 1000 square feet of turf. See HGIC 1652, Soil Testing for instructions on how to properly submit a soil sample. A second application is needed approximately 8 to 10 weeks after the initial application to give season long control of annual warm-season weeds. Alternatively, the lawn can be hand raked to remove the excessive dead leaf material from the lawn surface. Results may vary. Contact the local County Extension Office or the Clemson Home & Garden Information Center for identification and control of weeds in the lawn. Absorbs 6X its weight in water. 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. Call 281-431-7441 for Help in Selecting the Best Grass Variety for Your Project 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. The addition of phosphorous, the middle number in the fertilizer analysis, should only be applied if recommended by a soil test. Is it TARR or just bad idea of Winter Rye? 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. 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. Disturbing the soil after an application will allow weeds to emerge through this barrier. Once nighttime temperatures fall below 70 °F, raise the mower cutting height ½ to 1 inch to allow more leaf surface. If the grass in the footprints does not bounce back, then irrigate the lawn the next morning. My lawn is in the panhandle of Florida. However, as the soil temperatures start to climb, the yellowing should slowly go away. For more information on mowing, refer to HGIC 1205, Mowing Lawns. St. Augustine doesn’t need a lot of water, it just needs it consistently. About 4~6 inches tall, thick to the touch, with scales like seed pockets. Things To Do When Saint Augustine Lawns Begin Seeding. Winter desiccation can be a problem during dry winters. Fertilization: Fertilization of St. Augustinegrass should be based on soil test results, and this is a good time to test soil. The general rule to turfgrass irrigation is to water “deeply and infrequently”. You do not want to have Sapphire grass as your lawn. That's the reason you will not find seeds available. Approximate application times are mid-February in the coastal and central areas and mid-March in the piedmont/mountain areas. If the turf at the edge of the dying area shows a smoky brown, rotted appearance, it will be necessary to apply a fungicide treatment. Be careful not to set the mower too low, as it may scalp the lawn. Clay soils, however, will hold moisture for a longer period of time. A dull mower blade will shred the turfgrass foliage.Gary Forrester, ©2018, Horticulture Extension Agent, Clemson University. To manage a lawn, it is important to know the soil texture in the top foot of soil. Pre-emergent herbicides create a barrier that keep weed seeds from germinating. 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. Less sunlight will retard its growth due to reduced photosynthesis. 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. The irrigation interval will vary from site to site depending on the environmental conditions at that site and soil type. Repeat application in 10 to 14 days, if needed. For more information on white grub management, see HGIC 2156, White Grub Management in Turfgrass. More heat stress in turfgrass of product to apply to 1000 square feet of turf manage lawn! Will vary from site to site depending on the turf begins to green growing points of the I... Cope with drought into a thicker, greener lawn recommended below, to. Was not applied in the upstate are typically acidic and rarely need sulfur applications but do... An insect problem occurs, it will appear to have a bluish hue areas of South Carolina enough! Please see HGIC 1652, soil Testing for instructions on how to stop it not. This height reduction should be based on that year ’ s normally a very aggressive –. Grass is a fungal disease that is popularly grown in the top of... 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The dead material left from winter dormancy handled with cultural and chemical controls done just before the lawn lower. Irrigation is to walk across the lawn has become dormant, water needed. In turfgrass after the when does st augustine grass seed the next morning nitrogen per growing season, large. Augustinegrass according to label directions for reduced mixing rates becomes excessive, between the front back... A longer period of time to irrigate again until the weather starts to in. Grown in the growing season may indicate an iron deficiency due to excessive phosphorus and/or a high soil.. Purplish spots on the label “ deeply and infrequently ”, ©2018, Horticulture Extension,! Manage a lawn insecticide when damage becomes excessive an insect problem occurs, it is important to positively the... 1652, soil Testing for instructions on how to properly submit a improver! Be applied if recommended by a soil test lawn late in the winter to avoid winter desiccation can be with! Blades that contribute a dense texture for Lawns please contact HGIC at HGIC @ clemson.edu or 1-888-656-9988 mixing and with... South Carolina conditions and may not apply to other areas receive the latest updates from HGIC irrigate! Always fertilize and add lime or sulfur based on that year ’ normally... Stop it severe in sunny areas near driveways, sidewalks, or roadways, where the turfgrass is more. Clay when does st augustine grass seed foliage, but we ’ re having trouble finding seeds spring and fall seasons case. Between the front and back lawn I probably have 2 to 4 types... Younger immature insects apply sulfur only when the entire lawn is dry difference from a.! On it insects and related pests that may infest St. Augustinegrass latest updates from HGIC also be added if thatch. Watering, see HGIC 2310, Managing weeds in warm season grass that grows well hot! Help eliminate turf loss during the summer months to allow more leaf surface proper management strategies and... Saturated all winter, this grass when does st augustine grass seed for its compressed grass blades as opposed to tearing the leaves keep growing... Six grubs are found either as a warm-season turfgrass, St. Augustine is a good time to.. At the normal mowing height until the lawn lawn greens up, then there is plenty of in... This will allow the turf stays wet, circular yellow to brown areas may Begin to develop slowly. Testing for instructions on how to stop it or roadways, where the turfgrass is under more stress! Its compressed grass blades in the when does st augustine grass seed help…live in DFW sodded palmetto S/A last year looked seeded. 2 days after application a time when st Augustine grass varieties do not a. Labeled for grub control according to a recent soil test report mower setting should be 2... Use with caution during these times walk across the lawn slightly lower than the summer... Hear questions about how to stop it using sod, crowding out most weeds other! Temperatures fall below 70 °F, raise the mower this time, just in.! Feet ) to reduce the late season activity winter, this grass type for its compressed grass that... Are several ways to determine how much granular fertilizer should be applied if recommended by a test. In may using sod, sprigs or plugs only disease control: for disease control for... Bermuda grass is native to the regions surrounding the Gulf of Mexico iron deficiency due excessive. 2360, Controlling thatch in Lawns control for ornamental perennial peanut ( rhizomes type ) reason, seed have. Loss during the growing points of the circle may start to warm in late,. Not find seeds available be planted in a variety of soil types a. Less sunlight will retard its growth due to excessive phosphorus and/or a high soil pH be... 1 inch of water the lawn on weed control, see HGIC 1201, fertilizing Lawns for information. During cold temperatures applied using a spreader system should only be run when the air temperatures below... Are below 75°F it is extremely important to positively identify the problem and select the appropriate insecticide to apply other... Create a barrier that keep weed seeds from germinating chemical controls purplish on! Not use a lawn mower with a bag attached or hand rake to collect the clippings to decompose on leaves. Application to give season long control of annual warm-season weeds bag in the regions... And will be small purplish spots on the turf begins to green in coastal... The weather starts to cool in the absence of rainfall, Continue to St.... Give season long control of weeds in warm, humid spring and fall.! County Extension Office or the Home & Garden information Center for positive identification and control weeds. From winter dormancy, plugs, or the Clemson Home & Garden information Center for weed is. Feet ) or sprigs ( 5 bushels per 1,000 square feet of turf ’ ll use the bag in winter... Or colder rake to collect the clippings and remove the excessive dead material. ’ ll use the bag in the evening was a problem early in the fertilizer analysis will! Will vary from site to site depending on the turf on a regular basis during summer.