St. Augustine grass goes dormant when soil temperatures dip down to 55℉ (12℃). Apply an insecticide to reduce the population and reduce further turf damage. It combines grass seed, fertilizer, and a soil improver into an easy-to-use product that’s applied using a spreader. 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 are several ways to determine when the lawn needs watering. St. Augustine grass can be planted in a variety of soil types with a pH range of 5.0 to 8.5. 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. After the lawn has become dormant, water as needed to prevent excessive dehydration. Research has shown that an early season insecticide application after the turfgrass has greened-up will reduce the late season 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. For more information, refer to HGIC 1204, Lawn Renovation. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. If the grass blades in the footprints bounce back up, then there is plenty of moisture in the turf. St. Augustinegrass will grow best at a pH of 6 to 6.5. St. Augustine grass varieties do not produce a harvest-able seed. 85-sq ft … 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. 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. 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. 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. Irrigation: In the absence of rainfall, continue to water to prevent drought stress. This fertilizer may be especially important if the soils are sandy. Winter desiccation can be a problem during dry winters. Dormancy conserves the grass’s energy and prevents damage due to … The general rule to turfgrass irrigation is to water “deeply and infrequently”. Take a look at the video below to see the process of how farmers sprig warm season grasses using slabs of sod. You do not want to have Sapphire grass as your lawn. Apply a post-emergent herbicide as needed to control existing winter weeds. 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. In my case the sections with them are very dense. 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… 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. However, an early spring warm-up can lead to both mole cricket and chinch bug activity. Maybe some day it will. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1218 | Published: Aug 31, 2018 | Print | Download (PDF). 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. It is a medium- to high-maintenance grass that forms a thick, carpetlike sod, crowding out most weeds and other grasses. This is best done before the first frost. St. Augustine grass is usually dormant during the colder winter and fall seasons. I think I’ll use the bag in the mower this time, just in case. Less sunlight will retard its growth due to reduced photosynthesis. 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. Renovation: Replant large bare areas in May using sod, plugs, or sprigs (5 bushels per 1,000 square feet). For more information on mowing, refer to HGIC 1205, Mowing Lawns. Circle C Farms, Inc. 7.8. Absorbs 6X its weight in water. 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. Do not use a power rake with a 1-inch blade spacing, as severe turf injury may result. Insect Control: Cold winter temperatures will help usually keep insect problems at bay. Contact the local County Extension Office, or the Home & Garden Information Center for positive identification and proper management strategies. 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. For more information on turfgrass watering, see fact sheet HGIC 1225, Conservative Turfgrass Irrigation. 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. Granular herbicides must be watered into the soil soon after application. Gardeners enjoy this grass type for its compressed grass blades that contribute a dense texture for lawns. However, with cooler nights and shorter day lengths, control can be quite difficult because of slow turf recovery during this time. As it stands now, no seed is available for St Augustine grass. Heavy populations can be reduced with appropriately timed insecticide treatments during this period. Each pest problem has its own management strategy and is usually handled with cultural and chemical controls. 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. Pre-emergent herbicides create a barrier that keep weed seeds from germinating. St. Augustine grass (Stenotaphrum secundatum), also known as buffalo turf in Australia and buffalo grass in South Africa, is a warm-season lawn grass that is popular for cultivation in tropical and subtropical regions. St. Augustine varieties are available in sod, sprigs or plugs only. For more information on mole cricket or chinch bug control, see HGIC 2155, Mole Cricket Management in Turfgrass or HGIC 2487, Chinch Bugs. NOTE: A yellow appearance may also develop during early spring. St. Augustine grass is commonly planted in the Gulf Coast areas of the United States. 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. St. Augustine Grass Bermuda Grass; It requires at least 5 hours of direct sunlight to grow and thrive really well. 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…. A second application is needed approximately 8 to 10 weeks after the initial application to give season long control of annual warm-season weeds. There will be small purplish spots on the leaves and at an advanced stage, the grass will have a scorched appearance. 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. An infestation may cause the turf to die, which will need to be replaced or allowed to grow back in. The scores from … Ever. The added moisture in the soil will help keep the growing points of the turf warmer, preventing crown death. If possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dormancy… There was a time when St Augustine grass seed was being made available in limited quanities. A chinch bug is a small black insect with silver wings that sucks plant juices from the stem. 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. Be careful not to set the mower too low, as it may scalp the lawn. Unfortunately, between the front and back lawn I probably have 2 to 4 different types of turf. One way is to observe the lawn daily. Large patch is a fungal disease that is active during warm, humid spring and fall weather. Potassium is needed late in the growing season as the grass goes into dormancy for added disease protection and winter hardiness. 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. Not so fast, tallylassie, St. Augustinegrass seeds have high germination, over 70% in my experience. That's the reason you will not find seeds available. 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. Our lawn has some now and we like it a lot, but we’re having trouble finding seeds. 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. Lime or sulfur may also be added if a soil test indicates a need. 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. AI Score. However, the seed performed poorly and is no longer available. The mower setting should be between 2 to 2½ inches high. Is it TARR or just bad idea of Winter Rye? St. Augustine doesn’t need a lot of water, it just needs it consistently. These combinations are found either as a seed mixture, or a seed blend. Contact the local County Extension office or the Clemson Home & Garden Information Center for weed identification and control measures. Perhaps more frequent mowing would keep them from being so offensively visible. Dull mower blades rip rather than cut the grass and make the grass more susceptible to diseases. 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. 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. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. St. Augustine is a warm-season grass that grows well in full sun and moist soil in warm, coastal areas. 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. This will allow the turf to become acclimated by the time the first frost occurs. Nutrient Deficiencies: A yellow appearance during the growing season may indicate an iron deficiency due to excessive phosphorus and/or a high soil pH. For more information on disease control, please see HGIC 2150, Brown Patch & Large Patch Diseases of Lawns. As with all pest control, proper weed identification is essential for best control options. How to Plant St. Augustine Grass Sometimes St. Augustine grass will produce these seed heads. St. Augustinegrass lawns should receive 2 to 4 pounds of actual nitrogen per growing season, per 1000 square feet of turf. There are horticultural books that say St. Augustinegrass is propagated vegetatively because it produces no seed. Mole crickets, chinch bugs, spittlebugs, grubs, ground pearls, and nematodes can cause considerable damage. St. Augustinegrass is sensitive to certain herbicides, such as 2,4-D, not only during spring green-up, but also during hot summer temperatures. Q: Please tell me where I can buy St. Augustine grass seeds. However, there can be exceptions. However, this is not always the case. 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. Is propagated vegetatively because it produces no seed is available for st Augustine is. Usually hatch mid-summer for ornamental perennial peanut ( rhizomes type ) a pre-emergent herbicide was applied... 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