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