As they decompose, the clippings provide nutrients for the roots. You can use the wire-tine type of dethatcher on Kentucky bluegrass or fescue lawns. You can prevent some of that thatch by mowing frequently or using a bag on the lawnmower. Leaf rust is a lesser problem. This layer of … This is when sod is actively growing and can quickly recover from the process. That's when your grass is growing most vigorously. 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. 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. 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. Because of Zoysia's dense growth habit, it tends to develop thatch, that layer of thick organic matter that builds up at soil level. Failure to dethatch zoysia can lead to drought injury, insect infestation and plant disease throughout the lawn. Nighttime temperatures should be above 60 degrees Fahrenheit. If the thatch is less than ½ inch thick, you should not dethatch. This will tell you which direction the … A healthy lawn will have a small … 1. You can use the wire-tine type of dethatcher on Kentucky bluegrass or fescue lawns. 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. 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. Sign up for our newsletter. Dethatching in fall will make them weak in winter. Warm-season grasses, including Zoysia, Bermuda and St. Augustinegrass, should be dethatched in summer, again, when they’re growing most. Lawn experts agree, very little thatch is produced by zoysia grass. Pests and disease are the top two zoysia thatch problems, but it can also reduce the plant’s ability to feed itself. Dethatching in fall will make them weak in … When Zoysia grass builds up a thick layering of thatch at the bases of its blades, the thatching can suffocate the root systems. © Copyright 2020 Hearst Communications, Inc. Carefully light the grass on fire in an area well away from anything flammable other than the lawn, and watch it closely. By: Bonnie L. Grant, Certified Urban Agriculturist. If you try, you might permanently damage the stand of grass. 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. Denise Brown is an education professional who wanted to try something different. Dethatching a zoysia lawn can help minimize the impact of that heavy organic matter surrounding the lower blades and roots. When long periods go between … 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. Never dethatch when your lawn is dormant or stressed; you can damage it beyond recovery. Theycallmemrr Posts: 34 Joined: Thu May 16, 2019 1:02 pm Location: Watkinsville Grass Type: Bermuda Lawn Size: 20,000 sq. Dethatching is the mechanical removal of the layer of cuttings and stems that build up between green blades and soil in a lawn. In order to repair your lawn, it is necessary to remove the thatch. Mowing: Mow the lawn slightly lower than the regular summer mowing height of 1½ to 2 inches. For example, if you ran the dethatcher east to west on the first pass, run it north to south on the second. Dethatch cool-season grasses, such as Kentucky bluegrass, in late summer or early fall. For thick grasses like Bermuda grass and zoysia grass, use a vertical mower with steel blades. For more information about thatch, see Thatch … They are what will help break down your thatch … Thatch Removal in Emerald Zoysia. The key is – a little thatch. Also, as the grass reseeds itself, new growth may take hold in the … When long periods go between mowing, the grass blades are long and resilient, resulting in zoysia thatch problems. 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. Here’s how to do it: Mow the lawn a little lower than normal right before you dethatch. Another way to correct the problem is with core aerification. However, over time a buildup will occur and should be removed. Aerate from April-September each year, and dethatch if there is more … Aeration and dethatching, done in fall on cool-season lawns, should be done in … The machines that perform this task pull up small cores of sod. 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. A more practical reason is that dethatching is done only when the grass is vigorously growing in June. is a warm-season turf species prized for its drought tolerance and an ability to withstand heavy traffic and slight shade well. Once it gets a half inch or more though, thatch actually reduces the health of the sod. Following aeration with fertilization and Lime for Optimal results. Be careful not to set the mower too low, as it may scalp the lawn. Zoysia Patch disease (Rhizoctonia fungus) can be a problem in over-fertilized lawns. Dethatching. Go over the entire lawn with a power rake or lawn dethatcher, which you can rent from an equipment supplier. A dethatcher works best … Use a sharp knife or a hand trowel to dig straight ... 2. You should … If you scrupulously catch zoysia grass clippings every time you mow, you don’t need to. Apply 1 pound of balanced nitrogen, phosphorous and potash per 1,000 square feet of lawn. 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. Zoysiagrass (Zoysia spp.) 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 layer of material called “thatch” accumulates in your lawn when air, water, and light cannot reach the surface of the soil. 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. Your cue to dethatch warm-season varieties like zoysia and Bermuda grass … 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. 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. For thick grasses like Bermuda grass and zoysia grass, use a vertical mower with steel blades. Replace the plug. Adjust the depth of the cutting blades based on the thickness of the thatch layer. This may result in the removal of some of the grass and require reseeding, so dethatch in late summer or early autumn. If it makes a difference, you can lightly rake across your lawn to break up the soil plugs for a … In fact, it actually conserves moisture and insulates roots. Dethatching The best management of … Aeration/Dethatching. 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. A light … The rule on most grasses is a half inch (1.2 cm.). 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 … Dethatching in fall will make them weak in winter. This should be done just before the time of lawn green-up, which usually occurs during late April or early May. Plan to dethatch the lawn if the layer is more than 1/2 inch thick. You can prevent some of that thatch by mowing frequently or using a bag on the lawnmower. Excess thatch limits the plant’s ability to uptake nutrients, water, promotes fungus, and harbors pests. 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. A dethatcher works best when the lawn is lightly moist — not too wet or too dry. Rake the entire lawn with a lawn rake to remove the thatch debris pulled up by the power rake. If there is a bunch of dry, dead leaf blades built up at the base of the plug, it is probably time to dethatch. The resulting holes aerate the sod while the little plugs rot over time and create a top dressing in the lawn. Brown holds a master's degree in history education from Truman State University. To prevent thatch, mow often, water less and apply fertilizer frugally. The mower setting should be around 1 to 1½ inches high. Use a lawn spreader to apply the fertilizer evenly. 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: Periodically it may be necessary to remove accumulated thatch. Zoysia may need dethatching every few years, but this can be reduced by practicing annual core aeration. 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. October 28, 2010. Grubs and bill bugs (plus mole crickets in the Lower South) are soil-borne insects which can cause damage. Dethatch warm-season grasses, such as Bermudagrass or Zoysia grass, after spring green-up, as they enter early summer's peak growth. It is best not to do it in the middle or late of summer. Cut out a small plug and look at the root zone and the base of the leaves. And remember to overseed with zoysia grass seeds to encourage new growth and recovery. When it’s 110 degrees everday, that small amount of thatch is what helps protect the roots and prevent moisture from evaporating so quickly. … Zoysia thatch removal only needs to occur every year or two. Try not to dethatch … Way overdue and started to lose the yard. And remember to overseed with zoysia grass seeds to encourage new growth and recovery. 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. Zoysia thatch removal should happen when the thatch is visible. What is produced is a mixture of the plant’s fine and coarse leaf blades. 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. The dark, matted layer that rests on top of the soil is the thatch. Dethatching zoysia yard we installed 4 years ago. Dethatch cool-season grasses, such as Kentucky bluegrass, in late summer or early fall. Zoysia thatch removal only needs to occur every year or two. Sign up to get all the latest gardening tips! 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. Pull it across the lawn to cut thatch and pull it to the surface. The best time in most areas is late spring or early summer, when these grasses are growing and producing new runners. Warm-season grass can be dethatched in late spring or early summer after it starts to grow. 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. Early spring is the best time to dethatch. A little thatch isn’t a bad thing. Preparing to Dethatch Lawns should be … You can perform a similar action by spreading a thin layer of compost over soil, but you will miss the aeration benefit. Remove thatch from areas the dethatcher can't reach with a thatch rake. 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. 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. Cut out a plug of grass and soil from your lawn to determine the thickness of the thatch layer. The key is – a little thatch. Dethatch warm-season grasses, such as Bermudagrass or Zoysia grass, after spring green-up, as they enter early … When it’s 110 degrees everday, that small amount of thatch is what helps protect the roots and prevent moisture from evaporating so quickly. Perform the thatching in the spring after the grass has been green for two to three weeks. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. In the case of thatch in zoysia grass, very little is produced when compared to other turf grasses. You can also manually remove the thatch with a hard rake. 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. ft. Mower: Cali.Trimr, Toro 1600, JD S240 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. Removing thatch in a lawn is an important, although infrequent, part of lawn maintenance. Early spring and early fall are ideal times for cool-season grasses like Kentucky bluegrass and perennial ryegrass. Cut out a plug of grass and soil from your lawn to determine the thickness of the thatch layer. After dethatching, your lawn will look bare briefly, but … The best time … Spring & … What causes thatch in Zoysia? Also to know is, when should you Dethatch Zoysia grass? 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. Zoysia grass turns brown during its dormant phase but this doesn't mean that it's dead. How to Dethatch a Zoysia Lawn. The thatch layer doesn’t build up overnight, so don’t expect to remove all of it in one season. No matter the type of grass, dethatching is best accomplished with a dethatching machine or a vertical mower. Difficult to remove – One of the most frustrating zoysia … 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.. Go over the entire lawn with a power rake or lawn dethatcher, … The rough nature of the coarse blades takes a long time to break down and results in a thick, impenetrable thatch. 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. While the soil plugs may look unsightly to you, don’t remove them! 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). jugheadfla – posted 27 September 2011 10:59. A healthy lawn will have a small amount of thatch and I think you should leave it. While the soil plugs may look unsightly to you, don’t remove them! If possible, use a mower with a bagger to collect the clippings and remove any dead material left from winter dor… They are what will help break down your thatch layer. 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