The plant is very finicky about producing viable seed….. and for that reason, seed companies have just about given up on it. There was a time when St Augustine grass seed was being made available in limited quanities. If the turf stays wet, circular yellow to brown areas may begin to develop and slowly grow in size. 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. Q: Please tell me where I can buy St. Augustine grass seeds. If a pre-emergent herbicide was not applied in the spring, the resulting weeds will need to be controlled using postemergent herbicides. St Augustine will produce seedheads but the seeds don’t grow. 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. The addition of phosphorous, the middle number in the fertilizer analysis, will need to be determined by a soil test. Palmetto St. Augustine Grass Plugs / Box of 72. This could indicate an iron or manganese deficiency due to soil temperatures lagging behind air temperatures, high pH soils, or high phosphorous levels. If the grass blades in the footprints bounce back up, then there is plenty of moisture in the turf. 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 general rule to turfgrass irrigation is to water “deeply and infrequently”. Heavy populations can be reduced with appropriately timed insecticide treatments during this period. However, an early spring warm-up can lead to both mole cricket and chinch bug activity. Ever. You do not want to have Sapphire grass as your lawn. St. Augustine is a warm-season grass that grows well in full sun and moist soil in warm, coastal areas. Helps repair St. Augustinegrass 60% faster - Results 15 days after application vs. untreated control. Things To Do When Saint Augustine Lawns Begin Seeding. Three-way herbicides typically contain 2,4-D. St. Augustinegrass is sensitive to 2,4-D, so follow label directions for mixing and use. If the damage is minimal, monitor the activity and wait before applying an insecticide. Sometimes St. Augustine grass will produce these seed heads. 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. St. Augustine grass is a type of warm season grass that is popularly grown in the southern regions of the United States. The rate will depend on soil type. If your cool-season lawn seems thin, fall is a great time to thicken it by overseeding before winter arrives. Gardeners enjoy this grass type for its compressed grass blades that contribute a dense texture for lawns. Fertilization: Do not apply nitrogen at this time. Large patch is a fungal disease that is active during warm, humid spring and fall weather. With warm temperatures through September and the possibility of excessive rainfall that may occur during that period, diseases can increase rapidly. This will allow the turf to become acclimated by the time the first frost occurs. Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. To help reduce disease problems, fertilize and lime St. Augustinegrass according to a recent soil test report. Use pesticides only according to the directions on the label. Mole crickets and grub eggs will usually hatch mid-summer. As with all pest control, proper weed identification is essential for best control options. 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. As a warm-season grass, suitable for hot, humid climates, St. Augustine grass goes dormant during cold temperatures. 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. Join our mailing list to receive the latest updates from HGIC. 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. 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. 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. 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. 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. The irrigation interval will vary from site to site depending on the environmental conditions at that site and soil type. For more information on aerification, see HGIC 1226, Turfgrass Cultivation and HGIC, 1200 Aerating Lawns. If possible, use a mower with a bagger to collect the clippings and remove the dead material left from winter dormancy. After the lawn has become dormant, water as needed to prevent excessive dehydration. St. Augustinegrass should be fertilized three times during the summer, as recommended below. Clay soils, however, will hold moisture for a longer period of time. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1218 | Published: Aug 31, 2018 | Print | Download (PDF). Spray sufficiently to wet the foliage, but do not spray excessively. St. Augustine doesn’t need a lot of water, it just needs it consistently. 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. Always mow with a sharp blade using a mulching type mower, which leaves the clippings to decompose on the turf. If this document didn’t answer your questions, please contact HGIC at email@example.com or 1-888-656-9988. Lime or sulfur may be applied if recommended by a recent soil test. Apply a post-emergent herbicide as needed to control existing winter weeds. Potassium is needed late in the growing season as the grass goes into dormancy for added disease protection and winter hardiness. That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. When the turf begins to dry, it will appear to have a bluish hue. For more information on turfgrass watering, see fact sheet HGIC 1225, Conservative Turfgrass Irrigation. Approximate application times are mid-February in the coastal and central areas and mid-March in the piedmont/mountain areas. Do not use a power rake with a 1-inch blade spacing, as severe turf injury may result. 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. Sod farms loves pushing this because incentives matter; if you buy… This is especially important if warm, bright days proceed days forecasted to be in the low 20’s or below. 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. St Augustine will produce seedheads but the seeds don’t grow. Irrigation: Water the lawn to prevent drought stress. St. Augustine grass is commonly planted in the Gulf Coast areas of the United States. Alternatively, the lawn can be hand raked to remove the excessive dead leaf material from the lawn surface. One way is to observe the lawn daily. 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. However, fertilizers containing nitrogen should not be applied during this period. 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. A chinch bug is a small black insect with silver wings that sucks plant juices from the stem. Maybe some day it will. A: You can’t buy St. Augustinegrass seed. Wait to irrigate again until the lawn shows moisture stress. Monitor the turf on a regular basis during the growing season, especially during hot, dry periods. St. Augustine grass can be planted in a variety of soil types with a pH range of 5.0 to 8.5. 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. 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. 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. That said, other weeds do produce seeds that grow, and it can be hard to tell the difference from a mower. Circle C Farms, Inc. 7.8. For more information on white grub management, see HGIC 2156, White Grub Management in Turfgrass. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns. 3 steps to success: prep, apply, water. The scores from … This fertilizer may be especially important if the soils are sandy. 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. According to the University of Texas, this grass is native to the regions surrounding the Gulf of Mexico. 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. Renovation: Replant large bare areas in May using sod, plugs, or sprigs (5 bushels per 1,000 square feet). The date of initial turf green-up can be quite variable. St. Augustine grass varieties do not produce a harvest-able seed. 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. Later, the center of the circle may start to re-green. Sandy soils do not hold moisture well since they drain freely and dry out quicker. 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… Mowing: Mow the lawn slightly lower than the regular summer mowing height. Bermuda grass requires full sunlight all day long to grow optimally. For more information on mole cricket or chinch bug control, see HGIC 2155, Mole Cricket Management in Turfgrass or HGIC 2487, Chinch Bugs. There are several ways to determine when the lawn needs watering. Fertilization: Fertilization of St. Augustinegrass should be based on soil test results, and this is a good time to test soil. 85-sq ft … 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. 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. Insecticide applications targeted at the mole crickets in their smaller nymph stage are the most effective controls, even if damage has not yet occurred. 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. Sharpen the mower blade monthly or as needed during the growing season. Dormancy conserves the grass’s energy and prevents damage due to … St. Augustine grass is usually dormant during the colder winter and fall seasons. For more information on mowing, refer to HGIC 1205, Mowing Lawns. 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. Selective herbicides may be applied in the winter for control of annual bluegrass and other winter annual weeds. Most areas of South Carolina receive enough rainfall during the winter to avoid winter desiccation of lawns. Dull mower blades rip rather than cut the grass and make the grass more susceptible to diseases. Irrigation: In the absence of rainfall, continue to water to prevent drought stress. Apply sulfur only when the air temperatures are below 75°F. Localized dry spots or hot spots can be watered as needed by hand. 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. This height reduction should be done just before the lawn greens up, which usually occurs during late April or early May. “Keep it wet,” Orr says. In 3 months, recheck the soil pH and see what change was made. Not true. 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