A spring application, when zoysiagrass is emerging from dormancy, may be necessary after a warm, wet winter. Soil should be tested every three years; contact your county Extension center or the NC Department of Agriculture for details. 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. Use a lawn mower with a bag attached or hand rake to collect and properly dispose of the turf material pulled up. A soil test will help determine if a fertilizer containing phosphorus, the middle number in the fertilizer analysis, is sufficient for the lawn. Zoysiagrass grows best in full sun or partial shade and is well adapted to the piedmont and coastal plain. A soil probe can be used to monitor the soil moisture. As temperatures increase, recovery begins but is slow. For more information on aerification, refer to HGIC 1200, Aerating Lawns and HGIC 1226, Turfgrass Cultivation. Proper irrigation now will help reduce problems later in the summer. On sandy soils, zoysiagrass may require up to 1⁄2 inch of water every third day. Fall is when your Zoysia starts to slow down for the year, so now is the time to do preventative maintenance. If the soil stays saturated all winter, this can cause many other problems. It is not necessary to mow, but do remove rocks, sticks, and leaves. Vegetative Types. For more information on disease control, please see HGIC 2150 Brown Patch & Large Patch Diseases of Lawns. Toccoa Green™ is similar in appearance and maintenance to ‘Diamond’; however, it has a much faster rate of growth and recovers more quickly from scalp damage. The improved turf-type zoysiagrass will produce a dense, low growing turf that has a slow lateral growth but normal leaf growth. Once nighttime temperatures fall below 70 °F, slightly raise the mower to allow more leaf surface. However, there can be exceptions. All recommendations are for South Carolina conditions and may not apply to other areas. The higher rate may be used on zoysiagrass lawn grown on sandy soils, and the lower rate for lawns grown on clay soils. They are also susceptible to damage by nematodes, particularly in the coastal plain. For more information on thatch removal, see HGIC 2360, Controlling Thatch in Lawns. There are currently over a dozen zoysiagrass cultivars available from North Carolina sod growers. Monitor the lawn on a regular basis to assess the need for irrigation. 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. For more pest management information, see HGIC 2156, White Grub Management in Turfgrass, HGIC 2155, Mole Cricket Management in Turfgrass, and HGIC 2157, Bermudagrass Scale, Rhodesgrass Mealybug & Ground Pearl. Make note of areas with white grub activity and plan to apply a preventive application in the spring or early summer. Do apply 1 pound of potassium (potash K2O) using 1.6 pounds of muriate of potash (0-0-60), 2 pounds of potassium sulfate (0-0-50), or 5 pounds of sul-po-mag (0-0-22) per 1,000 square feet. However, with cooler nights and shorter day lengths, control can be quite difficult because of slow turf recovery during this time. AG-432. 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. Wait three weeks after the grass has turned green, and then use it only if weeds are present (see Pest Control Recommendations for Professional Turfgrass Managers, AG-408). One, take the height of your Empire down slightly. Glyphosate should not be sprayed on dormant zoysiagrass, as it will cause injury. Do not apply nitrogen until you see that the lawn has started to improve. However, an early warm-up can lead to significant mole cricket activity. Another method is to walk across the lawn late in the evening. Do not apply nitrogen at this time. This should be done just before the time of lawn green-up, which usually occurs during late April or early May. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1217 | Updated: Nov 2, 2018 | Print | Download (PDF). Wait to irrigate again when the lawn shows moisture stress. If an insect problem occurs, it is important to positively identify the problem and select the appropriate insecticide to apply. than Zoysia japonica but is less winter-hardy and slower growing. In 3 months, recheck the soil pH to see what change was made. Sandy soils do not hold moisture well since they drain freely and dry out faster. This initial mowing will remove excess dormant tissue and establish the desired mowing height for the year. Insect Control Zoysia may need supplemental irrigation during drought stress to remain green. — Read our If mole cricket activity is observed, apply a lawn insecticide if damage is excessive. This is especially important if warm, bright days preceed days forecasted to be in the low 20’s or lower. The best time to apply curative treatments is when grubs are actively feeding near the soil surface, approximately 24 hours after significant rainfall (see White Grubs in Turf, for specific recommendations). However, as the soil temperatures start to climb, the yellowing should slowly go away. Mole crickets and grub eggs will usually hatch mid-summer. If you don’t get enough rain, water your lawn. Zoysiagrass is normally vegetatively planted (sod or plugs), but seeded varieties Zenith and Compadre are available. However, this is not always the case. It is easier to keep out of ornamental beds than bermudagrass. These 3-way mixes typically contain 2,4-D, dicamba, and mecoprop. This is best done before the first frost. Weed Control: To control crabgrass, goosegrass, sandspurs, and other summer annual weeds, apply a pre-emergent herbicide early in the year. Because of possible injury to the lawn and the potential fire hazard, do not burn off zoysiagrass to remove excessive debris. The following management practices will help you care for your lawn throughout the year. * Check Bahia lawns for mole crickets, Zoysia for bill bugs & sod webworm, St. Augustine for cinch bugs & sod webworm, and all lawns for grubs, and apply insecticide if needed. Mowing: Continue to mow the zoysiagrass lawn at the normal mowing height until the weather starts to cool in the fall. Important times to monitor the weather are late winter or early spring when the turf is coming out of dormancy and early fall when first frost are forecasted. ‘BA-189’ ‘BA-189’ is a Zoysia japonica cultivar developed by the Uni-versity of Florida (‘BA-189’ was formerly marketed under the brand UltimateFlora™). Grass clippings decompose quickly and do not contribute to thatch. Zeon zoysiagrass is a fine-textured turfgrass that makes a beautiful, dark green, shade- & drought-tolerant lawn.Joey Williamson, ©2018 HGIC, Clemson Extension. Irrigate the soil to a depth of 4 to 6 inches; this can be determined by probing the soil with a screwdriver or similar tool. A soil test provides key information including soil pH, potas­ sium and phosphorous levels. Recycle nutrients by not collecting clippings unless they are unsightly or in clumps. Do not apply herbicides in summer unless the temperature is below 90 °F. Be sure the product you choose is labeled for use on zoysiagrass. Apply an insecticide to reduce the population and reduce further turf damage. commitment to diversity. 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. Follow March through May guidelines. This program will provide the healthiest, thickest, greenest zoysia lawn with less weeds while using 80% less chemicals and pesticides than other conventional lawn programs. Contact the local County Extension Office or the Home & Garden Information Center for identification and control of weeds in the lawn. lawn maintenance calendar, obtain a soil test. It is said to be dark green in color with a wide leaf blade and open growth habit. Feb : Mar . Cont’ cut more than 1/3 the blade. You need to apply 1⁄2 pound of nitrogen per 1,000 square feet, but how much fertilizer do you need to buy? If you use quality products, you do not need as many applications. 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