This layer of material called “thatch” accumulates in your lawn when air, water, and light cannot reach the surface of the soil. When Zoysia grass builds up a thick layering of thatch at the bases of its blades, the thatching can suffocate the root systems. How Make a Grid Pattern in the Grass With a Lawnmower, Seedland: Where to Grow Zoysia Grass in the USA, How to Dig Up a Lawn to Replant Grass Seed. This layer of … Replace the plug. The best time of year to burn Zoysia grass is in the early spring, just before the grass begins to grow and turn lushly green again. Warm-season grass can be … Dethatching is the mechanical removal of the layer of cuttings and stems that build up between green blades and soil in a lawn. When it’s 110 degrees everday, that small amount of thatch is what helps protect the roots and prevent moisture from evaporating so quickly. The key is – a little thatch. If the thatch is less than ½ inch thick, you should not dethatch. Use a sharp knife or a hand trowel to dig straight ... 2. Perform the thatching in the spring after the grass has been green for two to three weeks. Zoysia Patch disease (Rhizoctonia fungus) can be a problem in over-fertilized lawns. That's when your grass is growing most vigorously. Dethatch cool-season grasses, such as Kentucky bluegrass, in late summer or early fall. No matter the type of grass, dethatching is best accomplished with a dethatching machine or a vertical mower. The best time of year for dethatching is the same as for aerating: early spring or early fall for cool-season grasses, and late spring through early summer (after the second mowing) for warm-season grasses. You can prevent some of that thatch by mowing frequently or using a bag on the lawnmower. Since zoysia grass tends to accumulate the layer of dead surface roots, stems and runners known as thatch more than other types of grass, you need to know how to dethatch zoysia. Cut out a small plug and look at the root zone and the base of the leaves. Pull it across the lawn to cut thatch and pull it to the surface. Brown holds a master's degree in history education from Truman State University. What is produced is a mixture of the plant’s fine and coarse leaf blades. They are what will help break down your thatch … The thatch layer doesn’t build up overnight, so don’t expect to remove all of it in one season. Pests and disease are the top two zoysia thatch problems, but it can also reduce the plant’s ability to feed itself. Denise Brown is an education professional who wanted to try something different. As they decompose, the clippings provide nutrients for the roots. Apply 1 pound of balanced nitrogen, phosphorous and potash per 1,000 square feet of lawn. is a warm-season turf species prized for its drought tolerance and an ability to withstand heavy traffic and slight shade well. If there is a bunch of dry, dead leaf blades built up at the base of the plug, it is probably time to dethatch. Sign up for our newsletter. In Arizona, however, this can be the best time to detatch your lawn if you have warm season grass. Aeration and dethatching, done in fall on cool-season lawns, should be done in … Northwestern Lawn Alternatives: Choosing Lawn Alternatives In Northwest U.S. Evergreen Favorite: Container Grown Olive Trees, Evergreens In My Heart – Three Must Have Evergreen Trees, Decisions, Decisions: Choosing An Evergreen In The Landscape, Spruce Trees For Landscaping - Spruce It Up With Evergreens. Dethatching Use a sharp knife or a hand trowel to dig straight down and get a cross-section view of the plant structure both above and below the ground. Aeration/Dethatching. Zoysiagrass will recover from dethatching best when it is actively growing in mid-to-late spring or early fall and generally benefits from annual dethatching. Spring & … Warm season grasses such as zoysia, Bermuda and buffalo shouldn't be dethatched in March or April, when a late frost will hurt new growth. THATCH REMOVAL In addition to the deeper roots, the plugs of soil that are deposited on top of the ground help decompose thatch – without the risk of turf damage that power dethatchers pose. Because of Zoysia's dense growth habit, it tends to develop thatch, that layer of thick organic matter that builds up at soil level. Cut out a plug of grass and soil from your lawn to determine the thickness of the thatch layer. Also, as the grass reseeds itself, new growth may take hold in the … Mowing: Mow the lawn slightly lower than the regular summer mowing height of 1½ to 2 inches. Also to know is, when should you Dethatch Zoysia grass? However, over time a buildup will occur and should be removed. Adjust the depth of the cutting blades based on the thickness of the thatch layer. A healthy lawn will have a small amount of thatch and I think you should leave it. The key is – a little thatch. Dethatch warm-season grasses, such as Bermudagrass or Zoysia grass, after spring green-up, as they enter early summer's peak growth. Pass over the lawn a second time with the dethatcher, but this time work at a right angle to the first pass to loosen the soil even more. If you … When long periods go between … General Recommendation on de-thatching – If there is more then 1/2” of thatch present (Thatch is the presence of dead leaves and stems that build up on the surface of the soil). If it makes a difference, you can lightly rake across your lawn to break up the soil plugs for a … To avoid dethatching at all, mow once per week, provide the right amount of fertilizer and water, and use your lawnmower bag to pick up clippings. Rake the entire lawn with a lawn rake to remove the thatch debris pulled up by the power rake. Be careful not to set the mower too low, as it may scalp the lawn. Zoysiagrass (Zoysia spp.) Failure to dethatch zoysia can lead to drought injury, insect infestation and plant disease throughout the lawn. As you pass back and forth across the lawn with the power rake, overlap passes by at least 2 inches so you cover the entire area. This may result in the removal of some of the grass and require reseeding, so dethatch in late summer or early autumn. The mower setting should be around 1 to 1½ inches high. In order to repair your lawn, it is necessary to remove the thatch. You can also manually remove the thatch with a hard rake. In fact, it actually conserves moisture and insulates roots. Dethatching. THATCH REMOVAL In addition to the deeper roots, the plugs of soil that are deposited on top of the ground help decompose thatch – without the risk of turf damage that power dethatchers pose. October 28, 2010. Dethatching causes a lot of damage to your grass and should be done at a time when the grass is growing so it can fix the damage before the next dormant period. You can use the wire-tine type of dethatcher on Kentucky bluegrass or fescue lawns. Theycallmemrr Posts: 34 Joined: Thu May 16, 2019 1:02 pm Location: Watkinsville Grass Type: Bermuda Lawn Size: 20,000 sq. Removing thatch in a lawn is an important, although infrequent, part of lawn maintenance. The rough nature of the coarse blades takes a long time to break down and results in a thick, impenetrable thatch. Zoysia thatch removal should happen when the thatch is visible. The machines that perform this task pull up small cores of sod. It is best not to do it in the middle or late of summer. For thick grasses like Bermuda grass and zoysia grass, use a vertical mower with steel blades. Zoysia thatch removal only needs to occur every year or two. Zoysia grass turns brown during its dormant phase but this doesn't mean that it's dead. If you are doing a light fall overseeding on a fescue lawn, the holes left by the aerator make a perfect place for the seeds to fall into and germinate. Following aeration with fertilization and Lime for Optimal results. Dethatching in fall will make them weak in winter. It also means more frequent mower blade sharpening to prevent injury to the grass. Grubs and bill bugs (plus mole crickets in the Lower South) are soil-borne insects which can cause damage. Another way to correct the problem is with core aerification. Cut out a plug of grass and soil from your lawn to determine the thickness of the thatch layer. In parts of the country where winters are frigid, you would want to avoid dethatching warm season grasses (Bermuda, buffalo, zoysia, for example) in March or April because spring frosts will likely impede growth and cause damage. They are what will help break down your thatch layer. Warm-season grasses, including Zoysia, Bermuda and St. Augustinegrass, should be dethatched in summer, again, when they’re growing most. Dethatch warm season lawns (green in summer; dormant in winter) such as Bermuda, Zoysia, and Centipede during different times of the year, depending on your method of choice. Dethatching in fall will make them weak in … If possible, use a mower with a bagger to collect the clippings and remove any dead material left from winter dor… Way overdue and started to lose the yard. Zoysia thatch removal only needs to occur every year or two. Excess thatch limits the plant’s ability to uptake nutrients, water, promotes fungus, and harbors pests. … This will tell you which direction the … Difficult to remove – One of the most frustrating zoysia … Go over the entire lawn with a power rake or lawn dethatcher, … In parts of the country where winters are frigid, you would want to avoid dethatching warm season grasses (Bermuda, buffalo, zoysia, for example) in March or April because spring frosts will likely … Dethatch warm-season grasses, such as Bermudagrass or Zoysia grass, after spring green-up, as they enter early … The best time in most areas is late spring or early summer, when these grasses are growing and producing new runners. Warm season grasses such as zoysia, Bermuda and buffalo shouldn't be dethatched in March or April, when a late frost will hurt new growth. Two years and more than 500 articles later, she's enjoying her freelance writing experience for online resources such as Work.com and other online information sites. While the soil plugs may look unsightly to you, don’t remove them! You should … Lawn experts agree, very little thatch is produced by zoysia grass. Thatch – Another one of the facts about zoysia grass is that is prone to thatch problems.While you will have less mowing, you will have to do more thatch control, which is significantly more labor intensive.. For example, if you ran the dethatcher east to west on the first pass, run it north to south on the second. While the soil plugs may look unsightly to you, don’t remove them! Thatch Removal: Periodically it may be necessary to remove accumulated thatch. Your cue to dethatch warm-season varieties like zoysia and Bermuda grass … Preparing to Dethatch Lawns should be … Dethatching causes a lot of damage to your grass and should be done at a time when the grass is growing so it can fix the damage before the next dormant period. The best time to dethatch cool-season lawns is late August to early October, depending on your location, when the grass is growing vigorously and few weed seeds are likely to germinate. Thatch needs to be removed every two to three years through core aeri­ fication or dethatching, but care should be taken because the recovery rate of some zoysiagrass cultivars is slow. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. You can perform a similar action by spreading a thin layer of compost over soil, but you will miss the aeration benefit. Dethatching in fall will make them weak in winter. If you scrupulously catch zoysia grass clippings every time you mow, you don’t need to. Try not to dethatch … 2 You do have to dethatch a zoysia lawn whenever the thatch buildup gets too thick, and because of the growth habit of zoysia, the vertical mower or rake will naturally pull up stolons. The resulting holes aerate the sod while the little plugs rot over time and create a top dressing in the lawn. How to Dethatch a Zoysia Lawn. For more information about thatch, see Thatch … Early spring is the best time to dethatch. And remember to overseed with zoysia grass seeds to encourage new growth and recovery. For thick grasses like Bermuda grass and zoysia grass, use a vertical mower with steel blades. You can prevent some of that thatch by mowing frequently or using a bag on the lawnmower. When long periods go between mowing, the grass blades are long and resilient, resulting in zoysia thatch problems. A dethatcher works best … Early spring and early fall are ideal times for cool-season grasses like Kentucky bluegrass and perennial ryegrass. The rule on most grasses is a half inch (1.2 cm.). A dethatcher works best when the lawn is lightly moist — not too wet or too dry. You can use the wire-tine type of dethatcher on Kentucky bluegrass or fescue lawns. Carefully light the grass on fire in an area well away from anything flammable other than the lawn, and watch it closely. After dethatching, your lawn will look bare briefly, but … Warm-season grass can be dethatched in late spring or early summer after it starts to grow. To prevent thatch, mow often, water less and apply fertilizer frugally. Thatch Removal in Emerald Zoysia. Here’s how to do it: Mow the lawn a little lower than normal right before you dethatch. A light … Warm season grasses such as zoysia, Bermuda and buffalo shouldn't be dethatched in March or April, when a late frost will hurt new growth. Once it gets a half inch or more though, thatch actually reduces the health of the sod. Organic Lawn Care: Your Guide to A Healthy Lawn, Seniors And Houseplants: Indoor Senior Gardening Ideas, Mason Jar Snow Globe Ideas – Creating Snow Globe From Jars, Gardening Questions And Answers – Our Top 2020 Gardening Topics, Hose Nozzle Watering Guide: Learn About Garden Hose Spray Settings, Upcycled Garden Hose Ideas: How To Cleverly Reuse Garden Hoses, East North Central Lawns: Alternatives To Grass In Upper Midwest. Go over the entire lawn with a power rake or lawn dethatcher, which you can rent from an equipment supplier. By: Bonnie L. Grant, Certified Urban Agriculturist. What causes thatch in Zoysia? This should be done just before the time of lawn green-up, which usually occurs during late April or early May. ft. Mower: Cali.Trimr, Toro 1600, JD S240 And remember to overseed with zoysia grass seeds to encourage new growth and recovery. Dethatch cool-season grasses, such as Kentucky bluegrass, in late summer or early fall. Use a lawn spreader to apply the fertilizer evenly. A little thatch isn’t a bad thing. © Copyright 2020 Hearst Communications, Inc. Dethatching Your Zoysia Lawn October 28, 2010 Dethatching is the mechanical removal of the layer of cuttings and stems that build up between green blades and soil in a lawn. Dethatching a zoysia lawn can help minimize the impact of that heavy organic matter surrounding the lower blades and roots. Remove thatch from areas the dethatcher can't reach with a thatch rake. A more practical reason is that dethatching is done only when the grass is vigorously growing in June. jugheadfla – posted 27 September 2011 10:59. The best time … Sign up to get all the latest gardening tips! At this level, the grass may root in the thatch making it less stable, winter injury may occur, drought is more extreme, and pests and disease become more frequent. There is no hard and fast rule on dethatching a zoysia lawn; however, you can take a small plug and examine the level of thatch easily. When it’s 110 degrees everday, that small amount of thatch is what helps protect the roots and prevent moisture from evaporating so quickly. If you try, you might permanently damage the stand of grass. A healthy lawn will have a small … It is recommended that the lawn be core aerated once a year, Zoysia can be aerated anytime during the growing season but it is recommended that it be done during early summer when growth is at it’s peak. The best management of … Nighttime temperatures should be above 60 degrees Fahrenheit. The best time of year for dethatching is the same as for aerating: early spring or early fall for cool-season grasses, and late spring through early summer (after the second mowing) for warm-season grasses. Leaf rust is a lesser problem. Never dethatch when your lawn is dormant or stressed; you can damage it beyond recovery. 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