Iowa State University of Science and Technology. Most areas that were completely dormant in September have now recovered. This type of growth is what comprises most of the green tissue on the Kentucky bluegrass area. The rootstock is creeping, with runners ( rhizomes ). The broad, blunt leaves tend to spread at the base, forming close mats. The strong rhizomes of Kentucky bluegrass can improve the tensile strength of sod. Rhizomes visually resemble roots but play a much different role. However, Kentucky bluegrass generally appears in these fields, coming from seed or rhizomes in the soil, particularly if the field was previously a pasture. The reason for this is the rhizome system of this amazing lawn species. It actually started life as a native of Asia and … Continue reading "All You Need To Know About Kentucky Bluegrass" Water conservation and a healthy, beautiful lawn aren't mutually exclusive. This is the same type of recovery that we are seeing from drought affected areas this fall. Compared to tall fescue, traditional Kentucky bluegrass varieties have relatively shallow roots, which typically lead to lower tolerances for heat and drought. Kentucky bluegrass reproduces from seeds, tillers, and rhizomes. When weather is favorable, one Kentucky bluegrass plant can produce from 20 to 50 or more feet of rhizomes in five months (Lobenstein, 1962). Figure 4. The rhizome is a stem and not a root. This aggressive growth habit gives KBG the capacity to recuperate quickly from damage. Even so, KBG admirers in warmer areas aren't easily deterred. It's not uncommon to find heavily irrigated Kentucky bluegrass growing in sun-baked lawns of the West and Southwest. Approximately 4 weeks after the plywood was removed, the area is showing considerable improvement without any reseeding. Kentucky Bluegrass forms dense sod. In the western states, Kentucky bluegrass is grown with irrigation. Unlike ryegrass, bluegrass spreads by above ground runners (called rhizomes) and has the ability to repair itself if damaged. Rhizomatous, … Some varieties vulnerable to stress damage. Pennington is committed to growing the finest grass seed possible and providing you with premium lawn and garden products, timely email tips, and educational resources to help you and your lawn grow. Part of the charm of a healthy Kentucky bluegrass lawn is its rich emerald to blue-green color. Patton, A. and Boyd J., “Choosing a Grass for Arkansas Lawns," University of Arkansas Cooperative Extension. This species spreads by underground rhizomes that can self-repair injured, worn, or damaged spots. The recovery of Kentucky bluegrass following this summers drought has been amazing. During extreme heat or extended drought, the grass will go dormant. Premium, water-conserving seed such as Pennington Smart Seed Kentucky Bluegrass can add to your lawn's resilience. The new leaves are folded in the bud, there are no auricles, and a short, membranous ligule is present. Like many common U.S. turf grasses, this versatile, widely used grass is native to Europe and northern Asia.1 Its first use in the U.S. came as a pasture grass in states like Kentucky, where it still covers the state's gently rolling hills. This picture was taken in October. Rhizome Grass vs Stolon Grass for Lawns. It’s the USA’s favourite cool season grass, and has been since time immemorial. All trademarks are either the property of Central Garden & Pet Company, its subsidiaries, divisions, affiliated and/or related companies or the property of their respective owners. commercial Kentucky bluegrass had been sown in September 1936. Kentucky bluegrass can recuperate quickly from wear, making it an option for all-purpose lawns. 2. Bermudagrass is valued for its exceptional heat and drought tolerance and a capacity to withstand heavy use and recuperate quickly. It has a high cold tolerance. When your lawn goals call for a dense, durable, cool-season lawn with luxuriant color, Kentucky bluegrass may be the answer to your hopes. It spreads by rhizomes and tillers and forms a dense sod. In the transition zone (the coast of the Atlantic through Kansas), summer days tend to be too hot and arid for Kentucky bluegrass. It is in the spring and late summer that new shoots develop. Ginger has excellent early spring greenup and forage production – almost a month earlier than many other : bluegrass varieties. Kentucky bluegrass (Poa pratensis) and fescues (Festuca spp.) Yates Dynamic Lifter Concentrated Lawn Food. Pennington and Smart Seed are registered trademarks of Pennington Seed, Inc. Ironite is a trademark of Central Garden & Pet Company. For many lawn owners in the United States, Kentucky bluegrass is synonymous with the ideal lawn. No rye can be found in the area. Deep, thorough irrigation helps encourage deep root growth, while shallow, frequent watering discourages it. Yup, rhizomes. It has buds on every node and every bud is a reproductive structure. The term used for these older varieties have become known as the \"public variet… That’s probably because whenever an American TV show or movie needs to reference a type of lawn, that’s their go-to. Notice how some green is beginning to appear. Kentucky Bluegrass – you may have heard of the name before. Its rhizomes allow it to spread and create new grass plants. Common bluegrass varieties are the oldest cultivars of Kentucky bluegrass. The grass in the background is Kentucky bluegrass. Kentucky Bluegrass is long-lived, with underground rhizomes, resulting in dense sod. All rights reserved. are cool season grasses, meaning they grow best in temperatures between 65 and 75 degrees Fahrenheit and are best suited to central and northern parts of the United States. Duble, R.L., “Kentucky Bluegrass," Texas A&M Agrilife Extension. The older varieties are used in many seed mixtures and is the type usually seen growing in home lawns. Kentucky bluegrass has underground rhizomes that rapidly fill worn areas. 4 Once established, it spreads readily via underground stems (known as rhizomes) to form a dense, thick turf. The rhizome is a stem and not a root. Very few fields in the Northeast are sown with Kentucky bluegrass seed. Which Grass to Choose. Related products. Kentucky bluegrass (Poa pratensis) grows 18 to 24 inches tall and is readily identified by its boat-shaped leaf tip. However, it recovers quickly with irrigation and a return to normal conditions. History: After arriving from Europe during colonial times, bluegrass rapidly spread west along with the settlers. Fast-greening perennial ryegrass and shade-tolerant fescues complement Kentucky bluegrass's strengths to create versatile, lush, cool-season lawns. Different Cultivars of Kentucky Bluegrass During normal weather, a typical KBG lawn needs at least 1 inch of water weekly from irrigation or rainfall. The rhizomes of the bluegrass are causing the recovery. Seedhead: Open, spreading, pyramidal panicle, 2 to 8 inches long, with panicle branches whorled in groups of 3 to 5; spikelets contain 3 to 5 florets; lemmas awnless but cobwebby-hairy at base. The leaf blades have a boat-shaped tip; the sides of the blades are parallel, giving a stiff appearance. At that time each shoot, which terminated a rhizome, had only three … Because of KBG's rhizomatous growth, the grass develops thatch easily, which can add to drought stress and potential for disease. Kentucky bluegrass rhizomes grow quite quickly and form a thick sod in the spring. He also found that at 60F without nitrogen increased Wise water management is essential for Kentucky bluegrass lawns. 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