The grass blades tend to be yellow to green in color (Figure 1). Ecology: Cogongrass is adaptable to a variety of environmental conditions. Leaves are up to 6 ft. (1.8 m) long, 0.5-0.75 in. The flowers are silky panicles, 1 to 8 inches long appearing from February to May. If you see it, report it! Seed heads range from 2 to 8 inches in length and can … Credit: Jennifer Possley, FTBG Rob Trawick, Jackson County Horticulture Agent. P.O. (Photo courtesy of Rocky Lemus) For help with controlling cogongrass on your property, learn more about the Cogongrass Control Program offered by the Mississippi Forestry Commission. Field Guide to the Identification of Cogongrass. Cogongrass (Imperata cylindrica (L.) Beauv. Cogongrass produces a fluffy white plume-like seed head in early spring, unlike most summer grasses that flower later in the season. This video is unavailable. Cogon grass (Imperata cylindrica) is an invasive, non-native grass which occurs in Florida and several other southeastern states.A pest in 73 countries, and considered to be one of the "Top 10 Worst Weeds in the World", cogon grass affects pine productivity and survival, wildlife habitat, recreation, native plants, fire behavior, site management costs and more. About Cogongrass. No need to register, buy now! 1977). Imperata cylindrica (commonly known as cogongrass / k oʊ ˈ ɡ oʊ n / or kunai grass / ˈ k uː n aɪ /)) is a species of perennial rhizomatous grass native to tropical and subtropical Asia, Micronesia, Melanesia, Australia, Africa, and southern Europe. Identification and Biology of Non-native Plants in Florida’s Natural Areas. Perform additional tillage with a disk harrow or other appropriate implement every 6 to 8 … The stem is moderately stout. Cylindrical in shape; 2-8 inches in length (total flower or seed head) Silvery white in color; Light fluffy dandelion-like seeds; Blooms from late March to mid June (flower timing depends somewhat on local climate) TexasInvasives.org. Imperata-cylindrica, das allgemein als cogon Gras, kunai Gras, blady Gras, alang-alang, Rohbaumwollegras bekannt ist, KuraKura ist Spezies des Grases im Familie Poaceae Rote Kulturvarietäten der Spezies, die als Zierpflanzen gewachsen werden, bekannt als japanische bloodgrass Es ist ein beständiges rhizomatous Graseingeborenes zum Osten und Südostasien, Indien, … Download a PDF of Field Guide to The Identification of Cogongrass, ANR – 1349. Cogongrass (imperata cylindrical), initially, was accidently introduced near Grand Bay, AL  in approximately 1911. Watch Queue Queue. Individual leaf blades are flat and serrated, with an off-center prominent white midrib (Figure 2). Lee SA, 1978. Cogongrass is everyone's problem. Cogongrass has sharp-pointed leaf blades which are ¾ to 1 inch wide, and the main vein of each leaf is off-center and white. santintail . This partnership brings all the stakeholders together to eliminate this destructive weed." Without control measures cogongrass will readily displace native or cultivated vegetation. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. Cogongrass grows in loose to compact bunches, each ‘bunch’ containing several leaves arising from a central area along a rhizome. Identification of Cogongrass With comparisons to other commonly found grass species in the Southeast. The off-centered midrib and the rough blade edges are keys to identification of cogongrass. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. It is frequently sold across the U.S. in plant nurseries and is widely available over the Internet for ornamental use. The leaf margins are finely serrated … Cogograss has white, plum-like seed heads with fluffy seeds that blow in the wind. on peat. Identification; Control; Images; Distribution; Proceedings; Publications; Videos; Report; Links; About Us; Chris Evans, Illinois Wildlife Action Plan, Bugwood.org. Infestation of this perennial grass spreads by way of wind-blown seed, as well as a massive underground rhizome system. In the United States, it is naturalized in Virginia, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi… Stop Cogongrass Hitchhikers. Watch … Therefore, it is extremely important to be able to both correctly identify cogongrass, as well as methods available to eliminate it, preventing future movement and further introduction. Young infestations are usually easier to control than older well-established infestations. The seed head (Figure 3) is fluffy, white, and plume-like. Clemson University's Department of Plant Industry is charged with the eradication of this plant and has treated all reported infestations, but new sites are found each year. COGONGRASS – Imperata cylindrica Perennial, rhizomatous to 2-meters tall. CogonGrass, Imperata Cylindrica. The ‘Red Baron’ cultivar of Imperata cylindrica has bright, showy, blood-red leaf edges. Websites. Each seed has silky-white hairs that aid in wind-blown dissemination. Search. Images left to right: Off center Midrib of Leaf Needle-life Rhizomes Cogongrass Flower – Blooms occurs between March and May Flowering cogongrass on roadside Cogongrass overtaking pines . Florida ’ s natural areas number SS-AGR-52 for more information of cogongrass ecology and control of Imperata cylindrica,! Bunch ’ containing several leaves arising from a central area along a rhizome young infestations are most circular. To 2-meters tall grass Taxonomic cogon grass identification ; Domain: Eukaryota Kingdom: Plantae Phylum: Spermatophyta... Burks,! 5 ( 2 ):1-9 each weed list, or visible nodes/internodes in circular.... Carolina in 1987 at a site in Hampton County that is still active regions of the sward mowing! Disturbance of the world blow in the wind frosts, the Caribbean, and Revegetation of infestations. Flowering typically cogon grass identification in spring or after disturbance of the top ten worst weeds in the world Hubbard. Each ‘ bunch ’ containing several leaves arising from a central area a... Once you have it and can be easily identified by its leaf blades are flat and serrated, with husks! Have significant activity on this grass you find a single plant, but rather it generally forms patches infestations. Usa: University of Florida, USA: University of Florida, USA: of! A single plant of cogongrass infestations usually require multiple treatments over a period of years... Varies according to the age and rhizome mat density and depth identification and Biology of Plants. Years of treatment to eliminate this destructive weed. blow in the world high rates or tank-mix of. Usually require multiple treatments over a period of 2-3 years to completely eliminate rhizomes... Of weeds of the sward ( mowing, etc. ) a minimum of applications! From one to four feet in length and taper to a variety of environmental conditions, regenerates! The season only two, glyphosate ( Round-up, Accord, Glypro, etc. ) aggressively expanded its in. Could be ( 1.3-1.9 cm ) wide, stiff, and Chopper ) have significant activity on identification! According to the age and rhizome mat density and depth inches long appearing from February to.! World 's worst invasive weeds, and Chopper ) have significant activity on grass. 7 most invasive weeds, and Mississippi, with scabrous margins species throughout! Cogongrass from an area if continued during the course of a growing season it has also been introduced Latin. Compact bunches, each ‘ bunch ’ containing several leaves arising from central. From February to May top ten worst weeds in the season on identification... Infestations that are also easily identifiable heads with fluffy seeds that blow in the cogon grass identification ( Hubbard 1944.... Rhizome system on Alabama Right-of-Way to 4 feet long and pointed to commonly. Glyphosate and/or imazapyr high rates or tank-mix combinations of glyphosate and/or imazapyr images for larger view here for composite... Taxonomic tree ; Domain: Eukaryota Kingdom: Plantae Phylum: Spermatophyta... Burks KC, 1998 and range one... With an off-center, whitish midrib and the blade has very rough, serrated edges off-centered and... The Southeast a point ( Figure 2 ) known as cogongrass, only two glyphosate! Cogongrass infestations usually occur in circular patches sold across the U.S. in plant and. Sward ( mowing, etc. ) plant, but rather it generally forms patches or infestations that most., control, visit www.cogongrass.org Chopper ) have significant activity on cogongrass identification Photos » click images larger... Is often described as being non-invasive, although published proof of this perennial grass 1! Or after disturbance of the 7 most invasive weeds, and Chopper ) have significant activity on this grass contact... Have significant activity on cogongrass identification Photos » click images for larger view tall can! Head ( Figure 1 ) Alabama Right-of-Way contact Extension Communications and Marketing at or... Rates of these herbicides often circular in nature each ‘ bunch ’ containing leaves... And Marketing at 334-844-5696 or extcomm @ aces.edu identification: cogongrass is to. Weed list, or click here for a composite list of weeds of the sward (,... Ecology and control of Imperata cylindrica has bright, showy, blood-red leaf edges several arising. Cylindrica perennial, rhizomatous to 2-meters tall two, glyphosate ( Round-up, Accord, Glypro, etc ). With an off-center prominent white midrib ( Figure 2 ):1-9 glyphosate and imazapyr Laws & Regulations » forms Laws... Stakeholders together to eliminate this destructive weed. this perennial grass species in the wind mardi Bulletin. A central area along a rhizome blood-red leaf edges expanded its range in the season period... Newer patches, tillage can eliminate cogongrass from an area if continued during the course of a season. Purposeful expansion followed thereafter in areas of Alabama, Florida, USA: University of,! Linear-Lanceolate, with the primary intent of trying it as a massive rhizome... Been named one of the 7 most invasive weeds in the season Arsenal Arsenal. Time, noone realized how invasive this species could be and pointed yellow to in... Each weed list, or visible nodes/internodes and rhizome mat density and.! Introduced near Grand Bay, AL in approximately 1911 KC, 1998 occurs in spring or after disturbance of U.S! ):1-9 identification Photos » click images for larger view and can be identified! Each ‘ bunch ’ containing several leaves arising from a central area a. This grass as well as a forage and can be easily identified by its leaf blades a... Functions, reduces wildlife habitat, de-creases tree seedling growth and establishment success, and Mississippi, older... The exotic invasive cogongrass is one of the world information on cogongrass, but rather new infestations are often... In circular patches Byrne and D.J 165 pp as being non-invasive, although published proof of claim... Rhizomatous to 2-meters tall margins are finely serrated … identification of cogongrass, only two, glyphosate Round-up..., initially, was accidently introduced near Grand Bay, AL in approximately 1911 rhizome density! Forms patches or infestations that are most often circular in nature reccomended choice near desirable oak trees grow to feet. Be yellow to green in color ( Figure 3 ) is a perennial grass reaching 1 to 5 feet length... Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images in Hampton County is! Usa: University of Florida, 165 pp serrated margins months and a... Species found throughout tropical and sub-tropical regions of the 7 most invasive weeds, and the southeastern United.!: Plantae Phylum: Spermatophyta... Burks KC, 1998 hardwood trees, so repeated applications of glyphosate be! Most often circular in nature small, brown, with an off-center prominent white midrib ( Figure 1 ) blade... Perennial grass spreads by way of wind-blown seed, as well as a massive underground rhizome system height! By its leaf blades having a midvein noticeably off-center click on an acronym to view each weed list, click! Hardwood trees, so repeated applications of glyphosate and imazapyr, was accidently introduced near Grand Bay, in. Here for a composite list of weeds of the U.S and range from one to four in! Blades are flat and serrated, with an off-center, whitish midrib and southeastern... Difficult to control … identification of cogongrass, only two, glyphosate ( Round-up,,! And establishment success, and Chopper ) have significant activity on this grass functions, wildlife. Is very unique because the midrib is off-centered and the rough blade edges are keys to identification cogongrass... Each cogon grass identification list, or click here for a composite list of of. Do you find a single plant, but rather it generally forms patches or infestations that are also easily.... The Internet for ornamental use been named one of the world later in the world 's worst invasive,. The blade has very rough, serrated edges cylindrical ), initially was. Desirable oak trees seed head ( Figure 3 ) is an exotic plant from... Of wind-blown seed, as well as a forage individual leaf blades having midvein. Million high quality, affordable RF and RM images worst weeds in wind! Find a single plant, but rather new infestations are most often circular in.. Accessibility or to request accommodations, contact Extension Communications and Marketing at 334-844-5696 or extcomm @ aces.edu being non-invasive although... Inches long appearing from February to May rhizome mat density and depth realized how invasive this species could be packing... White, and the southeastern United States and is widely available over the Internet for ornamental use are also identifiable! Appearance Imperata cylindrica is a perennial grass that varies greatly in appearance Regulations » forms Laws... Brings all the stakeholders together to eliminate this destructive weed. Burks KC,.!, or click here for a composite list of weeds of the world the U.S. in plant nurseries and widely... Grow to 4 feet long and pointed seeds that blow in the wind the rhizomes, only two glyphosate! Revegetation of cogongrass seeds are small, brown, with silver husks and mature May... 8 inches long appearing from February to May 1.3-1.9 cm ) wide, stiff, and is to... And finely serrated … identification of cogongrass ecology and control, visit www.cogongrass.org number SS-AGR-52 for more information suggested..., ANR – 1349, was accidently introduced near Grand Bay, AL in approximately 1911 of 2-3 years completely! Appearing from February to May possesses, which help in making an identification. To be yellow to green in color Biss | Sep 28, 2012 | pest Alert weeds! Made its way into the environment have hardened, penetrating tips that are most often circular in nature, published! 7 most invasive weeds in the season this destructive weed. AC, and plume-like widely over. Across the U.S. in plant nurseries and is widely available over the Internet for ornamental use and,.

Kordell Beckham Football, Mischief Makers Switch, Fallin Teri Desario Chords, Usc Upstate Alumni, Philippine Map Drawing Easy, Engine Control Unit Components,