Hybrid Bermuda is a water guzzler and greens up when fed in the summer. Fescue is a cool-season grass that dies off in the summer. This grass creeps, and fills in bare patches, so you’ll probably only have to overseed a few times to restore shady sections of your lawn. Reduce your watering patterns during the summer to cause severe Bermuda dieback. However- since there are possibilities of overseeding warm-season lawns with cool-season grass varieties and vice-versa- you may have a little wiggle room on when you can overseed. Since Bermuda grass is a warm-season grass and fescue is a cool season grass, the two seem like a match made in heaven. Click to see full answer Any fescue grasses incorporated within the Bermuda become covered as stolons spread across the ground for more access to sunlight and photosynthesis activity. You preserve your Bermuda's health while rapidly removing fescue from the yard. University of California Statewide Integrated Pest Management Program, University of California Statewide Integrated Pest Management Program: Tall Fescue — Festuca Arundinacea, University of California Statewide Integrated Pest Management Program: Planting And Management Tips for Tall Fescue, Walter Reeves: Fescue Lawn – Taken Over by Bermudagrass, Missouri Botanical Garden: Cynodon Dactylon 'Sundevil', Missouri Botanical Garden: Festuca arundinacea (mix). Overseeding of pasture or hay land with cool season annual legumes and grasses and with perennial legumes can be made much later in sod than in prepared seedbeds because the existing sod provides protection for the developing seedlings during the winter. Tall fescue is grown as an "all or none grass," in that it is not compatible with bermudagrass. Once the Bermuda begins growing again, set your mower to 1-1/2 inches, because Bermuda likes to be mowed lower than fescue. Cover the fescue seeds with 1/4 inch of nitrogen fertilizer (composed manure will work fine) using a fertilizer spreader to spread the fertilizer evenly. Fescue comes close but keeping it thick and healthy during the summer is tough. The best time to overseed the home lawn is mid to late October and early November, but more accurately after the first frost. Today Parr train dogs and write articles on a variety of topics for websites worldwide. Pre-emergent herbicides will prevent your Fescue seed from germinating. It’s not always required, but some light tilling can help encourage germination. Expect your fescue to die back and your Bermuda to begin reasserting itself when the weather warms up in the spring. Overseeding a lawn with weeds is much safer and cheaper than reseeding or using herbicides to fight off the weeds. All Rights Reserved. Overseed Bermudagrass in the spring or summer when the soil is above 65 degrees Fahrenheit. Usually, it is different with different seeds and the rates can be adjusted depending on your lawn. Eradicate the bermudagrass: 1. You must have full sun and be prepared to water and mow all winter. The more seeds you use, the thicker your fescue lawn will be. Run a soil test two weeks prior to overseeding. If no, can i use a herbicide to kill of tall fescue? If you overseed every year, less seed is required. Your Bermuda slowly dies back in shady conditions while forcing the fescue to detect cool weather for continual active growth. When the neighbor has Bermuda and you have a Fescue or Bluegrass yard, the Bermuda will encroach upon the cool season grass during the heat of the summer. The amount required for overseeding lawns with Kentucky bluegrass or Tall Fescue is recorded on the label. For 25 years he wrote cartoons for television, everything from "Smurfs" to "Spider-Man." Larry Parr has been a full-time professional freelance writer for more than 30 years. In this instance you don’t want to kill it all off and re-seed. As a warm-season grass, Bermuda is most active in full sunlight locations between spring and fall, notes Walter Reeves. Mow the Bermuda grass to 1 1/2 to 2 inches tall. I’ll help you as long as it’s just for Bermuda or zoysia. By then, warm-season Bermuda usually has grown back, thereby allowing homeowners with this turf mix to maintain green lawns all-year-round. Water your lawn one more time to dampen the fertilizer and the seeds. The best time of the year for overseeding with fescue is four to six weeks before the first killing frost for your area. Your neighbors bermuda will continue to encroach, so if that is a problem, build a barrier such as an edge or wall between the two yards. Pull any Bermuda grass stolons that encroach around the zoysia plugs to prevent them from being overtaken by the Bermuda grass. For tall fescue, the normal rate is generally 6 to 8 pounds of seed per 1,000 square feet on bare soil. However, there are some cautions and tips before you decide if overseeding is right for you. I am wondering if overseeding will get rid of the tall fescue. Mow your Bermuda grass low, setting your lawnmower to a height of about 1 inch. Wait until fall, when the weather begin turning cooler. All you need to produce a thick stand of annual ryegrass is 20 to 30 pounds of seed per acre. Water the lawn thoroughly, sprinkling for at least 1 hour or until you have put 1 inch of water on the lawn. Also, the late August through October window for overseeding in the South and Southeast is relatively wide, and if the winter is mild, you can broadcast as late as February. The Bermuda grass underlying an overseeded stand will still be partially dormant. Apply a nonselective herbicide directly to the fescue according to the manufacturer's instructions using chemical-resistant gloves to avoid spraying the nearby Bermuda. If you’re unsure you can always contract a landscaping consultant or reach out to your local extension office for further guidance on the same. Because each grass has a different growth pattern, Bermuda grass easily takes over fescue. Spread your fescue seeds on the lawn using a seed spreader to spread them evenly. If you have to overseed, rough bluegrass (Poa trivialis) is a better choice. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. You can “overseed” Bermuda lawns with winter rye to green them up in the off-season. First, Bermuda likes to be mowed low and fescue likes to grow taller. In locations with full sunlight, however, fescue dies back each summer as Bermuda eventually fills in the entire yard. These stems allow Bermuda to populate both the top surface and lower soil structure with vegetative growth. Unless you keep it thoroughly irrigated, you will lose some of your fescue to our hot summers, every year – which is why you should overseed it every fall. In this case you can apply HiYield Triclopyr … Since Bermuda grass is a warm-season grass and fescue is a cool season grass, the two seem like a match made in heaven. Mow the bermuda high and regularly at 2.0 inches. You can overseed at almost any time of the year for a fraction of the cost of a complete reseeding. You'll have to keep the fescue mowed short (1 inch) to prevent overshading until the baby bermuda becomes dominant. But know that a serious winter heat spell could kill off your rye. Still, mixing the two grasses can help homeowners to keep a green-looking lawn all year long. Since Bermuda grass is a warm-season grass and fescue is a cool season grass, the two seem like a match made in heaven. Fescue grass is a species consisting of multiple seed varieties, including tall fescue, creeping red fescue, hard fescue, chewings fescue, and sheep fescue. Known for its use in sports fields, Bermuda quickly recovers from foot traffic by aggressively spreading through above- and underground stems, or stolons and rhizomes. Bermudagrass is vibrantly green during the summer but turns buff brown in winter. You can isolate the overseeded areas from foot traffic for a couple of weeks while continuing to use the unaffected areas. As a cool-season grass, fescue thrives on winter rains and dappled sunlight. Fescue does not tolerate short mowing heights; it thrives between 1 1/2 and 3 inches tall, advises the University of California Statewide Integrated Pest Management Program. When overseeding Bermuda with fescue, encourage aggressive fescue growth, even into the warmer spring months, by allowing shade from buildings or overhanging trees to cover the turf. If yes, when should i begin seeding? While most people use that expression as an excuse to get out of an unfavorable situation; let’s take a moment and actually consider something. Apply a nonselective herbicide to the Bermuda grass in two successive summer treatments to kill off any remaining rhizomes that are hidden in the soil. The cool season grass will germinate in the fall and begin to grow as your Bermuda grass is going dormant. Is Centipede Grass Resistant to Chinch Bugs? If your hybrid or vegetative bermuda grass turf has thinned out, from wear and tear or from ryegrass overseeding damage, then consider interseeding with turf-type seeded bermuda grass. 2. Perennial ryegrass can prevent 100% green-up by the Bermuda grass. Bermuda is a warm-season grass that can easily take over fescue. Unless you’re really into lawn care, most people don’t really consider what type of grass they want in their yard but still find themselves looking at pictures of fields of billowing grass hills, far off countryside or even their neighbor’s lawn. Because Bermuda spreads through vegetative growth and seeding, removing it requires herbicides along with strategic irrigation. Fescue (Festuca arundinacea) and Bermuda (Cynodon dactylon) grasses prefer U.S. Department of Agriculture plant hardiness zones 3 through 6, and 7 to 10, respectively, notes Missouri Botanical Garden. Unfortunately there are problems mixing the two grasses. Overseeding Bermudagrass will improve the overall quality of the lawn and fix damaged areas. Easy to do, you just sprinkle seed on top, water it in, keep it moist and it will sprout in about seven days. The short grass will allow sunlight reach the new … Be sure you do not apply any pre-emergent herbicide prior to overseeding your Tall Fescue lawn. Plan the perfect garden with our interactive tool →, grass image by green308 from Fotolia.com, North Carolina State University: Overseeding, Savvy Gardener: Improving Your lawn Through Overseeding. Water your lawn one more time to dampen the fertilizer and the seeds. Tall Fescue Grass Many tall fescue lawns are Kentucky 31 fescue, a type of tall fescue that’s known for its coarse appearance. © Copyright 2020 Hearst Communications, Inc. The dead bermuda will act as mulch, helping to support the fescue, so just leave it. Also, both types of grasses need nitrogen fertilizer, but on completely different schedules. If you don’t mind the … When overseeding Bermuda with fescue, encourage aggressive fescue growth, even into the warmer spring months, by allowing shade from buildings or overhanging trees to cover the turf. Red Fescue. High-end grass seed will give you a lush, thick blanket of green more quickly, while lower-end grass seed will take longer to fill in. 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