One thing you can try is to scalp it down to 1″-1.5″ right now before it gets hot. Zoysia grass, like a deciduous tree, goes dormant after the first hard frost, when cold weather is moving in. Dormant lawns green-up when environmental conditions improve. If drought and heat persist, Zoysia will go dormant, but it greens up quickly when watered again. As temperatures increase, recovery begins but is slow. However, it can be distributed anytime of the year and still help the lawn if the pH balance is off. The Zoysia should be completely dead by the end of summer. Mow your zoysiagrass the first time in the spring before it turns green -- around mid-April -- to clean out the old blades of grass, leaves and other debris. We cater to both residential and business owners and pride ourselves on highly knowledgeable staff who provide our customers with the quality service they deserve. What do Zoysia Plugs look like? It has a strong, deep root system that helps it to conserve moisture and nutrients during the stresses of summer. It took 2-3 weeks to come up, but before it had a good chance to grow, wild thick bladed grass took over and shaded the new grass and it didn’t do very well. This is the only species of zoysiagrass that has seed commercially available. It might be caused by several things: • Scalping too early (soil temps need to be 60 degrees and steadily rising), • Applying Nitrogen too early (soil temps need to be 65 degrees or higher), • Thatch layer is too thick, preventing soil warm-up, • Large Patch disease. After a week without moisture, zoysia will go dormant until the next rainfall, and then quickly green up again. It is a hybrid between Zoysia japonica and Zoysia tenuifolia. This is being caused by Zoysia Brown Patch. What About Zoysia Seed? Zoysia (Zoysia spp.) Good drainage is needed to remove excess water from low-lying areas. Likewise, don’t fertilize too late in the year, as … The mower setting should be around 1 to 1½ inches high. Zoysia ‘Emerald’ is one of the most popular lawn grasses, as it can survive in harsh weather conditions. New blades of grass that are starting to grow will get better sunlight and moisture. Unique’s Turf Grass Division has been using this type of fertilizer in our lawn applications this spring to help prevent this problem. Zoysia grass is a very durable and sustainable turf, but it has some downfalls, especially coming off our wet winter. Be careful not to set the mower too low, as it may scalp the lawn. You don’t need to worry! ©2020 Walter Reeves / The Simple Gardener, Inc. All Rights Reserved. Zoysia Green has been providing Lake, Sumter, and Marion county with Pest Control and Lawn Care services for over a decade. Once you see a problem it is very important to get on a fungicide program to prevent the spread. How are plugs shipped? See Large Patch on Zoysiagrass, • Previous year misapplications of fertilizer or herbicides, • Irregular weather patterns (very cold in mid December, warm enough in January to start breaking dormancy followed by more cold, then a late frost in 3rd week of April). The lush green color will fade. This early mowing helps the grass grow in thicker and turn green faster. Mid-Spring – Zoysia grass is going to start turning green when the soil temperature is 60 to 65 degrees Fahrenheit consistently. Safety 5. Zoysia grass conserves its energy until the temperatures are consistently warm, which often occurs in mid to late spring. Zoysia naturally develops a deep root system, and it's very efficient at conserving moisture and resisting drought. Zoysiagrasses in general and the denser the growth type (i.e. Zoysia does creep and it’s much more than 2 inches per year. Fertilizer should be applied to Zoysia in 3 to 6 applications from spring green up through fall. It can also handle partial shade. The leaves of this grass are coarse in texture and are a light green in color. In season, it brings a rich, dark green color to a yard; it turns brown when it goes dormant as temperatures drop, but greens up again once warm weather returns. When bermuda grass turns green, it’s because new plants have come in, it’s not a transformation of the existing dormant stalks. Louis area zoysia grass turns tan or brown in the fall and does not green up until spring (usually late May). While you can lay Zoysia sod any time of year, it takes longer to root than other grass sods so it's best to give it plenty of time to get established before cold weather arrives in autumn. Zoysia is a slow-growing grass that performs well in the heat and turns a light straw or tan in the fall. We also recommend cleaning your mower deck off after every use to prevent any kind of fungus growing under it that could be spread throughout the yard. The key reasons zoysia is so attractive for homeowners 2. This fungal disease lies dormant in the soil and sometimes never activates if proper environmental procedures are followed. The meyer variety is an improved variety of Z. japonica. Atlanta Landscape Designer | Yard Maintenance Atlanta. It’s nowhere near as invasive as Bermuda, however. As it was greening up this May, I noticed it had large dead areas where the grass never came in. This is a normal, healthy process. Four years ago I had zoysia sod placed in my front yard. Once the last frost is over, it’s about that time to begin fertilizing. Just make sure that the zoysia grass is 50 percent green or a … ‘BK-7’ zoysiagrass looks like ‘Emerald’ but does not green up like ‘Emerald’ zoysiagrass.  Some areas in your yard may not be greening up as normal and may appear dead.  This is being caused by Zoysia Brown Patch. A: Yes – in some years zoysiagrass won’t be completely green until June. How long will the plugs last before planting? Although it is heat and drought tolerant, it can go dormant or die during extreme heat or drought, especially when the two are combined. Circular patches of tan or brown sunken turf 2 to 10 feet in diameter may appear as zoysia greens up, especially if there is extended rainy or overcast weather. Cutting your grass on a regular basis is also helpful in reducing thatch build-up, which acts like a moisture sponge and can help spread the disease. Zoysia, like deciduous trees, goes dormant after the first killing frost and will go off its green color until the ground reaches temperatures of about 50°F in the spring. They are completely replaced. is a warm-season grass, meaning it stays green during the summer and tends to lose its color in winter. Come spring, Zoysia lawns are among the first to green up again. In this area, I’d say I get about 8 months of green out of Zenith Zoysia. The grass spreads by above-ground stems called ‘stolons’ and underground stems called ‘rhizomes’. Use a slow-release nitrogen fertilizer that will last up to six months in the soil. Winter causes dormancy for zoysia grass because it is categorized as a “warm season” grass. The University of Georgia The following are common problems associated with zoysiagrass green- up that have been observed in spring. Meyer does well in colder climates north of the transition zone. But if this occurs, preventative measures to eliminate the fungus are important and reducing water is critical. http://www.walterreeves.com/lawn-care/zoysiagrass-diseases/, http://www.walterreeves.com/lawn-care/zoysiagrass-diseases/, Wesley Woods at Emory Therapeutic Garden Project. Scalping helps get them out of the way more quickly. Zoysia Brown patch is the most damaging disease to Zoysia. ‘BK-7’ zoysiagrass looks like ‘Emerald’ but does not green up like ‘Emerald’ zoysiagrass. During a drought, zoysia may appear to be less resilient than St. Augustine, but zoysia always recovers from drought with irrigation or rainfall, while St. Augustine may … Turf within the affected area thins, and most of the shoots die. Characteristically, it maintains a good winter colour and “fights back” weeds, once established. Zoysia is incredibly heat and drought resistant. Its growing season starts from the late spring till early summer. 7. ‘Emerald’), the more common scalping problems occur. Don’t scalp too early. One of the most popular cultivars is meyer Zoysia, also called Z-52. 1. Moisture plays an important role in disease development. These grasses are typically used for lawns or general turf areas. In fact, most grasses have the tendency to go dormant at some point in the year. This will get rid of all the dead grass blades, bring it down to sticks and dirt, and allow the … An organic option to kill the Zoysia is to spread some black polyethylene over the Zoysia this spring. This paper by Dr. Clint Waltz explains it: ‘Emerald’ Zoysiagrass: Genetic Techniques Explain Common Observation. • There are also genetic off-types of ‘Emerald’ Zoysia being sold. In fact, the grass grows so dense, few lawn weeds are able to penetrate a healthy mass of established Zoysia lawn. Most established Zoysia turf grass only needs to be watered three times a week and prefers to dry out between watering. Zoysia grass requires about ½ inch of water per week to remain green and about ¼ inch of water per week to stay alive in dormancy. This should be done just before the time of lawn green-up, which usually occurs during late April or early May. Irrigated lawns are less apt to go dormant but run the increased risk of disease and insect problems. If possible, use a mower with a bagger to collect the clippings and remove any dead material left from winter dor… Zoysia grass is a very durable and sustainable turf, but it has some downfalls, especially coming off our wet winter. Do not apply nitrogen too early in the growing season, particularly in North Florida, or subsequent frosts may damage the grass. This combination of above and below ground stems allows for the thick, dense growth and e… Some areas in your yard may not be greening up as normal and may appear dead. • Irregular weather patterns (very cold in mid December, warm enough in January to start breaking dormancy followed by more cold, then a late frost in 3rd week of April) • There are also genetic off-types of ‘Emerald’ Zoysia being sold. It also exposes the soil to more sunlight and warmth, helping to promote earlier growth and green-up. During short drought episodes, the grass remains green. Here are some tips on how to control problem: So remember, more water and fertilizer does not help the problem. Mature zoysia will send out runners several feet long over the course of a season. Use the lowest mower setting for this spring mowing. Winter Dormancy 6. Mowing: Mow the lawn slightly lower than the regular summer mowing height of 1½ to 2 inches. Once lows get over 70degrees for about a month your lawn should be green Late April for sure). For more information, here is a helpful link: Call us toll-free today at 888-495-1804 for a free quote. Zoysia japonica: This particular species was introduced into the United States in the late 1800’s and is commonly called Japanese or Korean lawngrass. Excessive moisture and high nitrogen fertility levels often lead to the outbreaks. Although seed is available, this grass is usually established through … This reduces the active nitrogen available to the plant and slowly feeds it consistently as it’s greening up. It has a medium green color with leaf texture about in the middle of the three main varieties. Soil Conditions 3. Agriculture lime is found in bags at garden centers, and is best distributed on the zoysia lawn in late fall or throughout the winter. Zoysia Empire (Japonica hybrid) It has a dark-green, medium-width and relatively fine leaf. Zoysia Brown patch is the most damaging disease to … 9. 8. The grass thrives in extremely hot and humid climates.It’s wear-tolerant, as well. Although zoysia tolerates both heat and cold well, when you should plant zoysia grass still depends on your region’s climate. As quirkyquercus said in a humorous way, the timing of spring green up and fall dormancy is primarily dependent on temperature. Avoid laying down lime within 4 weeks of putting a nitrogen fertilizer on the grass. Zoysia goes dormant after a week of hot, dry weather. 1) Mowing height: This appears to be the most common problem associated with spring transition. 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