Established lawns may be maintained at different levels of perfection according to individual situations and desires, but good lawns seldom “just happen.” This summary outlines major steps required to maintain a high-quality lawn year round.Steps in boldface type indicate a minimum program where time, money or interest dictates a usable lawn with least effort. This could indicate an iron or manganese deficiency due to soil temperatures lagging behind air temperatures, high pH soils, or high phosphorous levels. Some varieties of Zoysia matrella are highly susceptible to damage by nematodes. Meyer and Emerald zoysiagrass, Manila grass and Zoysia tenuifolia must be propagated vegetatively from sprigs, plugs or sod. Photo Credit: UF Photo Credit: UF Zoysia Turf Program The program recommended in this fact sheet is based on granular applications and recommended for turf that has a low - moderate maintenance need by homeowners. As temperatures increase, recovery begins but is slow. The, best time to apply curative treatments is when grubs are actively feeding near the soil surface, approximately 24 hours after significant rainfall, To determine the amount of product needed to apply 1 pound of potash per 1,000 square feet, divide 100 by the, NC Disease Control in Zenith Zoysia. Water occasionally if a drought occurs. Apply postemergence herbicides in May as needed to control summer annual and perennial broadleaf weeds like white clover, knotweed, spurge, and lespedeza. This initial mowing will remove excess dormant tissue and establish the desired mowing height for the year. To help reduce disease problems, fertilize the zoysiagrass lawn according to recent soil test recommendations and water infrequently. A soil test will help determine if a fertilizer containing phosphorus, the middle number in the fertilizer analysis, is sufficient for the lawn. Cooperative Extension is based at North Carolina's two land-grant institutions, However, fertilizers containing nitrogen should not be applied during this period unless the lawn is located along the coast and no frost is predicted. Fertilization The mower blade will need sharpening on a regular basis, which is usually about once a month. Join our mailing list to receive the latest updates from HGIC. Curative treatments for white grubs are applied after the larvae have hatched from the egg stage. If summer annual grassy weeds are a problem, pre-emergent herbicide applications in late winter and early spring may be the best choice. These include: Cavalier, Compadre, Crowne, El Toro, Emerald, Empire, Geo, Jamur, Leisure Time, Meyer, Palisades, Zenith, Zeon, and Zorro. See Water Requirements of North Carolina Turfgrasses (AG-661) for assistance in establishing controller runtimes in your region of North Carolina. After the lawn has become dormant, water as needed to prevent excessive dehydration. For more information on mole crickets, see HGIC 2155, Mole Cricket Management in Turfgrass. Because the end of the growing season is coming soon, here are some activities you can do to get your lawn ready for the cold weather approaching. NOTE: Don’t be fooled by competitors offering 8-10 round applications. 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. The added moisture in the soil will help keep the growing points of the turf warmer, preventing crown death. Vertically mow in June or July as needed using the March through May guidelines. It is not necessary to mow, but do remove rocks, sticks, and leaves. Potassium is important for disease resistance and cold weather hardiness. Fall is when your Zoysia starts to slow down for the year, so now is the time to do preventative maintenance. Don’t overwater. Mid-summer: Depending on the soil type, fertilize with ½ to 1 pound of actual nitrogen per 1,000 square feet in June or July using a fertilizer that is also high in potassium, such as a 15-0-15. Most areas of South Carolina receive enough rainfall during the winter to avoid winter desiccation of lawns. In general, do not apply post-emergent herbicides during the spring green up of the turf. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. Zenith zoysiagrass is available as seed and is best planted in late spring or early summer. Nutrient Deficiencies: A yellow appearance during the growing season may indicate an iron deficiency due to excessive soil phosphorus and/or a high soil pH. White grubs may be active at this time but spring curative applications are not effective. Do not attempt to remove too much thatch at one time because zoysiagrass recovers slowly. Consider dethatching zoysiagrass when the thatch layer is greater than 1 inch. Fertilization Vegetative Types. Mowing: Continue to mow the zoysiagrass lawn at the normal mowing height until the weather starts to cool in the fall. Grasstype: ZOYSIA. Use a lawn mower with a bag attached or hand rake to collect and properly dispose of the turf material pulled up. Note: A yellow appearance may also arise in early spring. Weed Control They are often classified based on leaf width or texture, with the finer textured ones including Cavalier, Emerald, Geo, Leisure Time, Meyer, Zeon, and Zorro. Broadleaf weed herbicides can be applied as necessary for control of chickweed, henbit, and other cool-season broadleaf weeds. In the meantime, mow and bag the weeds. A shows acceptable months for the designated task Thatch Removal Two applications in the fall, 21 to 28 days apart, is usually sufficient to prevent large patch. For most zoysiagrass cultivars, turfgrass growers recommend a mowing height of 1½ inches. Basically you do not want to cut more than 1/3 off of the total blade length. Follow March through May guidelines. — Read our Location, terrain, soil type and condition, age of the lawn, previous lawn care, and other factors affect turf performance, so adjust these management practices and dates to suit your particular lawn. Amend soil to maintain pH between 6.0 and 7.0; Know your soil type! However, as the soil temperatures start to climb, the yellowing should slowly go away. Apply postemergence herbicides only when weeds are present. For example, application of fungicide will help your grass stay strong going into the cold months and keep any lingering fungi from holding on into the new year. In the absence of a soil test, use a complete nitrogen-phosphorus, potassium (N-P-K) turf fertilizer with a 3-1-2 or 4-1-2 ratio (for example, 12-4-8 or 16-4-8). However, this is not always the case. The use of brand names and any mention or listing of commercial products or services in this publication does not imply endorsement by NC State University or N.C. A&T State University nor discrimination against similar products or services not mentioned. Mow the lawn when it first turns green in the spring using a rotary or reel mower set as low as possible without scalping the lawn. Fertilizing with a micronutrient fertilizer, such as manganese sulfate, can help alleviate manganese deficiencies. Many grassy weeds are controlled by quinclorac or fluazifop applications. Establishment from plugs is very slow (typically two to four years). )is a warm­seasonturfgrass that has been A&T State University, in all 100 counties and with the Eastern Band of Cherokee See the section on fertilizer calculations below to determine how much granular fertilizer product should be applied. Apply postemergence herbicides as needed to control summer annual and perennial broadleaf weeds. A spring application, when zoysiagrass is emerging from dormancy, may be necessary after a warm, wet winter. Broadleaf summer weeds, such as spurge and annual lespedeza, are controlled by using a 3-way, broadleaf weed herbicide. There are several ways to determine when the lawn needs watering. Knowing what to do and when to do it is essential. For more information on weed control, see HGIC 2310, Managing Weeds in Warm Season Lawns and HGIC 2312, Nutsedge. Here are answers to the most common care questions: The need for phosphorus is determined by a soil test. For more information on disease control, please see HGIC 2150 Brown Patch & Large Patch Diseases of Lawns. They make a very dense, wear-resistant lawn but are slow to recover from injury. Follow all directions, precautions and restrictions that are listed. They go dormant over winter, return to active growth in spring, and peak in dry, hot summer weather. If the bagger is picking up soil, especially sand, the mower blade may need to be sharpened more often than once per month. Follow label directions as to post application watering. In partial shade, mow zoysiagrass at 2 to 2½ inches. Glyphosate should not be sprayed on dormant zoysiagrass, as it will cause injury. Sharpen blades every spring. Do not apply postemergence herbicides unless weeds are present, grass is actively growing, and the lawn is not suffering from drought. Zoysiagrass can be sensitive to some postemergence herbicides, so select the products carefully. Irrigation: In the absence of rainfall, continue to water to prevent drought stress. Do not fertilize zoysiagrass at this time. 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. 2’-2 ½” should be a general rule. A sharp mower blade will cleanly cut the grass blades as opposed to tearing the leaves. When the entire lawn appears dry, apply ¾ to 1 inch of water the next morning. As temperatures start to warm in late spring, monitor for mole cricket activity. lawn maintenance calendar, obtain a soil test. The general rule to turfgrass irrigation is to water “deeply and infrequently”. Zoysiagrass is sensitive to certain herbicides during hot summer temperatures. Apply a post-emergent herbicide as needed to control existing winter grassy and broadleaf weeds. Weed Control: Many winter annual grassy and broadleaf weeds can be managed by applying a pre-emergent herbicide in September with a second application 8 to 10 weeks later. Proper soil pH is necessary to produce a healthy, high­quality, attractive lawn. Thatch Removal: If a thatch layer becomes a problem, use a dethatcher or vertical mower to remove it. This will give the number of pounds of fertilizer product to apply to 1000 square feet of turf. Monitor the lawn on a regular basis to assess the need for irrigation. Mowing Large patch and dollar spot are fungal disease that will occur during warm, wet weather. Maintenance After your Amazoy zoysia lawn is established it requires very little care and maintenance. You need to apply 1⁄2 pound of nitrogen per 1,000 square feet, but how much fertilizer do you need to buy? You won’t have to water much once the lawn is dormant (has turned brown), but do water if the soil is powder dry. Be careful not to set the mower too low, as it may scalp the lawn. A soil probe can be used to monitor the soil moisture. The authors would like to thank Arthur Bruneau, Henry Wetzel, Daniel Bowman, Richard Cooper, and Cale A. Bigelow for their prior contributions. To determine amount of product required to apply 1 pound of actual nitrogen per 1,000 square feet, divide 100 by the first number on the fertilizer bag. Apply preemergence herbicides to control winter annual and perennial broadleaf weeds like chickweed and henbit. Be aware, it could take several months for lime and sulfur applications to begin to affect the soil pH. For more information, refer to HGIC 1204, Lawn Renovation. If grubs (the white larvae of beetles, such as Japanese beetles) have been a problem in previous years, monitor the grubs by cutting a square foot piece of sod on three sides and peel it back. Mole crickets and grub eggs will usually hatch mid-summer. If you don’t get enough rain, water your lawn. Zoysiagrasses are subject to diseases such as rust, large patch, and dollar spot. The following management practices will help you care for your lawn throughout the year. Mowing The zoysiagrass sod availability in North Carolina can be found by visiting the NC Sod Producers Association website. Apply an insecticide to reduce the population and reduce further turf damage. Divide 50 by the first number on the fertilizer bag. Apply 5 pounds of pelletized sulfur per 1000 square feet of turf. Watering The center of a large area may start to green. While the differences may be small, they mean the difference between a good-looking lawn and a spectacular lawn. A&T State University. Follow March through May guidelines. When the turf begins to dry, it will appear to have a bluish color. Be sure the product you choose is labeled for use on zoysiagrass. If an insect problem occurs, it is important to positively identify the problem and select the appropriate insecticide to apply. However, two or three applications will be necessary for satisfactory control. For best control and to lessen the chance of turfgrass injury, always apply herbicides to turfgrass and weeds that are actively growing and not suffering from drought or heat stress. Keeping your lawn lush and healthy requires attention every month of the year. An insecticide application targeted at the smaller nymphs is the most effective control even if damage has not yet occurred. Lets face it sometimes we need a little help knowing the facts about weed management for our home lawn. Irrigation: During dormancy, water the lawn to prevent excessive dehydration. Early Summer: Apply ½ to 1 pound of actual nitrogen per 1,000 square feet early May after the lawn fully greens up. Irrigation: Water to prevent drought stress. A long-term approach is needed to correct either cause, but iron can be added to quickly enhance turf color between the spring and summer fertilizer applications. Mowing:Mow the lawn when it first turns green in the spring using a reel mower set at 3/4 to 1 inch or a rotary mower set as low as possible without scalping the lawn. Indians. Typically, sharpen the mower blade after every 15 thousand square feet of lawn mowed. Zoysiagrass is an important turfgrass used throughout the southern regions of the United States and into the transition zones where both cool-season and warm-season grasses are adapted. To manage a lawn, it is important to know the soil texture in the top foot of soil. Do not mow the lawn for 3 days prior to or 2 days after herbicide application. Renovation A second application is needed approximately 8 to 10 weeks after the initial application to give season long control of annual grassy and broadleaf weeds. Manilagrass resembles bermudagrass in texture, color and quality and is recommended for a high-quality, high-maintenance turf where a slow rate of establishment is not a disadvantage. Filter Results. 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