The timing for when the grass comes back to life naturally varies depending on your climate zone. In fact, Saint Augustine thatch can easily reach heights of up to 10 or 15 inches after many years. When this is the case, a matted depression will be left by your footprints. For browning during hot temperatures, simply increase how often you water to bring the grass back to green. St. Augustine grass naturally turns brown when fall temperatures drop with the first frost of the season or if you have failed to water during a hot spell in July. Proper lawn care is the best way to prevent all types of fungi, as the less stress your grass is under, the healthier it will be. When mowing the healthy parts of your lawn, leave your grass clippings instead of bagging them, so that you can bring nutrients back into the soil. It will, however, slow in growth as the soil … If the soil is very sandy and drains quickly, water more frequently with about 3/4 inch of water. When it doesn't rain, the grass goes dormant and turns brown. These pests are not easy to spot, as they are only about a fifth of an inch long, but you can use dishwashing detergent to get them moving. 3-in-1 Weed and Feed for Southern ... - The Home Depot What you might not realize is that encouraging your St. Augustine grass to grow can actually make your lawn more susceptible to fungus. She has written about plants, garden design and gardening tips online professionally for ten years on numerous websites. It can thrive … Don’t delay treatment if you know chinch bugs are on your lawn. Keep in mind that fungicide does contain chemicals, so be extremely cautious during application. All in all, creating an annual lawn care schedule will help keep your grass resilient, thereby lowering your chances of weed growth. First symptom: grass blades fold and turn glossy olive drab. If that happens, soak the lawn thoroughly every day for 1 week. This practice helps the healthy grass protect the grass that has been damaged, allowing it time to grow and become healthy. Use a watering can to pour the liquid over a three-foot by three-foot patch of your yard, and take a close look for bugs, as the mixture invades their space and sends them scrambling. If you’re trying to scope them out, these pests will always be in the sunniest parts of your lawn. Now, we’ll go into more detail about how to combat these lawn problems. Grub damage is more commonly observed in early spring, when grass fails to green up. Add water to the can, wait around 10 minutes and see if any bugs float the the top of the water. Too much fertilizer at any time of year can kill patches of grass. When treating your lawn for fungus, avoid using nitrogen fertilizer, as it encourages fast growth. Apply 1/2 to 1 pound of a complete lawn fertilizer for each square foot of lawn three or four times a year, with a 4-1-2 ratio indicated on the label, such as 16-4-8. Many homeowners will confuse this rot with take-all root rot because of the yellow coloring of the leaves. Take-all root rot is a serious fungal disease that initially resembles nutrient deficiency in grass, causing yellow rings in spring and summer. Various other problems can cause browning in St. Augustine grass. Let’s examine each of these lawn conditions in a bit more depth. We always get asked about proper watering and how residents can maintain or improve their current St. Augustine … The main types of fungus that affect St. Augustine grass are: While drought and other factors can cause take-all root rot any time of the year, homeowners should look out for symptoms in the fall and spring months. If you’re unsure how much to fertilize or when to fertilize, a lawn care specialist can evaluate your lawn and give you more customized recommendations. Most fungi are caused by excessive moisture, so water deeply and infrequently, and make sure you have proper drainage throughout your lawn. After dormancy, when your lawn turns completely green and begins growing in the spring, start your normal mowing routine. Also, to reduce stress on your grass during your restoration efforts, restrict use or even stay off it entirely. You shouldn’t just be concerned about how to keep your lawn green in summer heat—these fungi, weeds and bugs all have different seasons where they are most active so your lawn care should take these seasonal considerations into account. On average, these pests can lay 300 eggs in their lifetime. ANSWER: This yellowing is likely due to all of the rain. There’s only a finite amount of water, sunlight and nutrients in the ground and weeds will compete with your St. Augustine grass for these resources and take away from the aesthetic appeal of your lawn. However, if you apply a product that is not specially formulated for St. Augustine grass, you may inadvertently cause other problems. However, the easiest way to revive it is to improve your lawn’s soil quality, water your lawn frequently, and take care of the diseases and pests. As the disease progresses, the turf begins to die and become thin. St. Augustine grass grows in U.S. Department of Agriculture plant hardiness zones 8 through 10, but in warm coastal areas, St. Augustine may never turn brown at all. Brown patch is the most common. In a recent study, 6 iron products were evaluated on St. Augustine grass. Why Am I Having So Much Dry Centipede Grass That I Am Having to Thatch it Every Year? Remember that if you’re buying liquid insecticide, you will also need to buy a spraying machine to apply the treatment. This can result from too much rain or … Grass Type: st augustine Lawn Size: 600 sqft Mower: push. During this time, remember to bag up your lawn clippings to prevent the weeds from going right back into your lawn. If the soil remains warmer than 60 degrees all year, the grass will stay green. By cutting your grass at higher lengths and only cutting it once every ten days, you can make your grass stronger. Once you recognize that the grass is coming back, in March or April, begin to water more frequently than you had been during the dormant period. © Copyright 2020 Hearst Communications, Inc. I also feed new grass monthly until it is filled in then aerate, topdress and fertilize with a low phosphorus fertilizer twice a year. Each product was applied at the lowest recommended rate and at 2, 3, 4 and 5 times that rate. Injured or because it 's simply dormant needs help recovering from a storm. You will also need to buy a spraying machine to apply the treatment tall fescue here, watering. Brown after deprived of water course, drought … Having a lawn puts you at risk Having... 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