Vivid red and green flowers. Flupropanate continues killing serrated tussock seedlings until 100mm of leaching rainfall has fallen. Although feather reed grass needs a bit of protection from the hot sun, it can survive winters in containers down to zone 6. By replacing native grasses and other herbs, it may adversely affect native grasslands and grassy woodlands. Mexican feather grass has a small, thin structure at the base of the leaf blade. Spot spray individual clumps or small patches year round, before plants set seed. It is estimated that anywhere from 14 million to several 100 million hectares of Australian land could be vulnerable to Mexican feather grass infestation. Australia more than $50 million a year in lost productivity and weed control costs. coarse if you slide your fingers down the leaf. Mexican feather grass is native to southern USA, Chile and Argentina. competes strongly with pastures, grasslands and woodlands, in spring before crop or pasture in autumn. use other control methods with herbicide (cropping, pasture, chipping, forestry, grazing and fertiliser). Landscapers have planted the grass in gardens and other areas as part of landscaping projects. The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). In Australia, it’s even illegal to import the species because it can cause significant damage to that country’s fragile ecosystems. Herbicide group: J, Inhibitors of fat synthesis (Not ACCase inhibitors) Mexican feather grass can be found growing in garden situations in reserves or even in paddocks. Comments: Spot spray control Pasture species have variable tolerance to these herbicides. (Roundup®) Of course, soils and other factors will influence abundance and distribution. Mexican feather grass (Nassella tenuissima) is a State prohibited weed. Its leaf blades can be 30 to 70 inches long. Graze to reduce the height of desirable pasture species before using wipers. From mid spring to summer it germinates on well-drained soils where there is little competition from other vegetation. Residual activity is longer with low rainfall or drought. Herbicide group: J, Inhibitors of fat synthesis (Not ACCase inhibitors), Herbicide group: M, Inhibitors of EPSP synthase, Recorded presence of Mexican feather grass during property inspections. Mexican feather grass was accidentally introduced as a garden plant. Seeds can be dispersed by becoming attached to clothing, livestock and vehicles, or from contaminated seed and fodder. Wiping is only effective on large tussocks. Details S. tenuissima is a deciduous grass to 60cm, forming a compact upright tuft of thread-like leaves, with narrow, arching, feathery flowering panicles in summer Plant range USA to S America Herbicide can be applied with boomsprays or aircraft for larger areas. Leaves at the edge of the clump are often shorter and bend away from the plant. Learn more by watching the following video. It is hard to get rid of and has the potential to take over up to 65% of NSW. Jun 21, 2013 - Explore Allison Marshall's board "Mexican Feather Grass", followed by 170 people on Pinterest. The ligule is: In New South Wales, Mexican feather grass has been found in gardens at Tenterfield and Tamworth in 2006 and around Lithgow and Leeton in 2019. From the family Agavaceae, a Mexican native with bold foliage resembling a giant yucca. Add to cart View. The leaves are very thin and roll between the fingers easily. Mexican feather grass, Texas tussock, white tussock, ponytail grass and tussock grass. Flupropanate 745 g/L Each Mexican feather grass plant can produce between 70,000 and 100,000 seeds per year. Mexican feather grass is a dense upright tussock that grows to about 70cm high. Herbicide group: M, Inhibitors of EPSP synthase Herbicide group: M, Inhibitors of EPSP synthase Comments: Spot spray Withholding period: Don't graze cows or goats that are being milked on treated areas. See more ideas about mexican feather grass, feather grass, grass. NSW DPI will lead an initial response for the treatment and disposal of the plant to stop it from spreading. Stipa Grass, Stipa: “Feather Dusters” Feather, needle, and spear. Label rates of flupropanate control serrated tussock with minimal damage to young native trees. Well, not as low as closely sheared … Rate: 1.5 to 3 L per ha Residual activity depends on the amount of rainfall. Mexican feather grass has the potential to invade up to 14 million hectares in Australia, a far greater area than serrated tussock. If you think you may have seen Mexican feather grass, please contact us by: Please do not attempt to treat or dispose of this weed yourself. PERMIT 9792 Expires 30/11/2025 Stipa subulata E. Fourn. As ornamental grasses have become mainstream in our gardens, the best have been identified, some have been dropped, while others have been added to fill specific niches in garden design. Stipa tenuissimaTrin. $7.50 Currently Unavailable. Herbicide group: J, Inhibitors of fat synthesis (Not ACCase inhibitors) Other grasses that are commonly reported as Mexican feather grass include fox tails (Pennisetum spp.) All plants in NSW were quickly recovered and destroyed. However, some plants in ACT and Victoria had been sold on and planted into gardens. Resistance risk: Moderate, PERMIT 9792 Expires 30/11/2025 It is native to the south-western United States, northern Mexico and Argentina. Legumes and some native pasture species (e.g. Flupropanate can remain active in the soil for up to two years. How low does blue fescue (Festuca glauca) grow? Water hyacinth information for culturally and linguistically diverse communities, Prescribed measures for the control of noxious weeds, Illegal online trade of noxious weeds in Victoria, Victorian Government role in invasive plant and animal management, Weed warning after drought, fire and flood. Blue Fescue. Don't graze stock on treated areas for 14 days prior to slaughter. It is well-matched to climate in Australia and can be harmful to the Australian environment. trichotoma) and Mexican Feather Grass (Nassella tenuissima). Royal Botanical Gardens and Domain Trust, 2011. is unpalatable to stock and reduces pasture quality, smooth if you roll them between your fingers. Mexican feather grass grows in dense clumps. Flupropanate takes several months to kill serrated tussock. (Tussock®) Mature plants form small, white seeds that grow in the top third of the tussock. Rate: 500 mL per 10 L water Herbicide group: M, Inhibitors of EPSP synthase This information applies to all Nassella genus grasses. Comments: Broadacre control After seeding, use a mix of glyphosate + flupropanate. Mexican feather grass is native to southern USA, Central and South America. Comments: Wiper suppression Mexican feather grass will grow up to about 70cm high. Blanket sprayed pastures - grazing or cutting for stock feed - 120 days. If you take a leaf and rub it down towards the base of the plant, serrations on the leaves make them feel course. Nassella tenuissima is a species of grass known by the common names Mexican feathergrass, finestem needlegrass, fineleaved nassella, and Argentine needle-grass. Flupropanate 745 g/L (Roundup®) Don't graze stock on treated areas for 14 days prior to slaughter. Herbicide resistant plants spread and are harder to control. Mexican feathergrass has delicate, thread-like leaf blades that wave gracefully in the slightest breeze. Mexican feathergrass is an unpalatable grass that can become dominant under continual heavy grazing pressure, greatly reducing the productivity of pasture in a similar way to serrated tussock. ... A really useful low mounding grass which will grow well in a range of situations from shade to full sun. Stipa tenuissima (Mexican Feather Grass) is an exceptionally lovely and graceful ornamental grass which exhibits silvery-green thread-like leaves in late spring, that sway gracefully in the slightest breeze, delicately softening any landscapes. In 2008 a retailer sold potted plants of Mexican feather grass that were labeled with another name. Withholding period: Don't graze cows or goats that are being milked on treated areas. (Tussock®) Herbicide resistance is more likely to develop when treating large areas with a lot of weeds. Rate: 1 L per 100 L of water This grass is a weed in its native range. Mexican feather grass is very similar to serrated tussock (Nassella trichotoma) but can be distinguished by the much shorter awn (tail 2.5 to 3.5cm) on serrated tussock seeds. The leaves are thin and can be rolled smoothly between the thumb and forefinger; however, serrations along the margins feel coarse when sliding fingers down the length of the leaf blade. This could exceed the spread of the closely related serrated tussock, widely regarded as Australia's worst pasture weed. Withholding period: Nil. Stipa mendocina Phil. This is a ligule, and can look like a small piece of tissue paper. Mexican Feather Grass (Nassella tenuissima) is a major threat to Australia’s grazing industry – it is unpalatable to stock, difficult to control, and capable of thriving in a wide range of climates and soil types. Stipa cirrosa E. Fourn. In parts of the United States – particularly California – and in Australia, Mexican feather grass is invasive and can only be planted or nursed under strict controls. It is hardy, drought tolerant, unpalatable to stock and difficult to control. It invades pastures and bushland. Always observe grazing withholding periods following herbicide treatments in pastures. Mexican feathergrass is a perennial bunchgrass with erect, slender culms approximately 40 inch… Rate: 100 to 300 mL per 100 L of water Name – Stipa tenuifolia Family – Poaceae Type – perennial, grass. Withholding period: Nil. While Mexican feather grass is best suited to dry, temperate woodlands of southern Australia, it is predicted to survive further north in the subcoastal and semi-arid woodlands of southern and central Queensland. Macquarie University. Serrations make the leaves feel coarse when sliding fingers down the length of the leaf blade. In New South Wales, Mexican feather grass has been found in gardens at Tenterfield and Tamworth in 2006 and around Lithgow and Leeton in 2019. Resistance risk: Moderate, PERMIT 9792 Expires 30/11/2025 In addition to looking beautiful, it requires little water, intermingles easily with other perennials, and will provide structure in a garden bed nearly year-round. “It’s a great ornamental grass here and you see it all over. region. Comments: Broadacre control Mexican feather grass is banned from propagation, distribution and sale by the Waikato Regional Council because it is considered a serious threat to New Zealand’s agricultural industries.17 Pathways Mexican feather grass has been imported illegally into Australia several times under incorrect or outdated taxonomic names and sold through nurseries. ex Hemsl. Resistance risk: Moderate, PERMIT 9792 Expires 30/11/2025 It grows in dry areas, alongside other grasses and drought-resistant plants. Report this plant if you see it anywhere in NSW by calling the helpline listed at the top of this page immediately. as the growth habit is similar to that of a tussock. In 2008 a retailer sold potted plants of Mexican feather grass that were labeled with another name. Glyphosate 360 g/L It is estimated that anywhere from 14 million to several 100 million hectares of Australian land could be vulnerable to Mexican feather grass infestation. When the plant is mature it will form seed heads, which are very fluffy in appearance. It is similar to serrated tussock in terms of ecology and growth and has the potential to invade up to 14 million hectares in Australia, a far greater area than serrated tussock. PlantNET NSW FloraOnline, Nassella tenuissima. This plant must not be sold anywhere in NSW. Withholding period: Don't graze cows or goats that are being milked on treated areas. Flupropanate 745 g/L Most herbicides used to control Nasella grasses contain either glyphosate or flupropanate. The feather reed grasses are among the most adaptable and popular ornamental grasses for gardens. Blanket sprayed pastures - grazing or cutting for stock feed - 120 days. Blanket sprayed pastures - grazing or cutting for stock feed - 120 days. the awn is 4.5–9 cm long and attached at the centre of  the seed end. If it naturalises in Australia it potentially has a wider range than Serrated Tussock. The plant can be dug out and destroyed. Spot sprayed areas - grazing or cutting for stock feed - 14 days. In 2008, Mexican feather grass was mislabelled and sold through Queensland nursery and landscape outlets as Stipa capriccio. Do not sow a new pasture or crop until flupropanate is likely to have washed out of the root zone. Stipa geniculata Phil. Pure stands of Mexican feather grass render a paddock worthless. As a low-protein, high-fibre grass, it has no grazing value. Seeds have a long awn (tail 5 to 9cm long) with one or more bends. Mexican Feather Grass escaped from cultivation in New Zealand and has become a weed that is continuing to spread. In Argentina, N. tenuissima is regarded as an unpalatable grass (Moretto and Distel 1998) and has been classified as a non-pre-ferred species that can become dominant under con … All plants in NSW were quickly recovered and destroyed. Kangaroo grass and redgrass are more tolerant. Resistance risk: Moderate, PERMIT 9792 Expires 30/11/2025 (Tussock®) Herbicides are most effective in combination with healthy, competitive pastures. It is sometimes described under an older name, Stipa tenuissima. Mexican feathergrass (Nassella tenuissima) is regarded as an environmental weed in Victoria and as a potential environmental weed in other parts of southern Australia. Mexican feather grass is an ornamental grass with graceful, waving fronds suited for dry, low maintenance areas in the landscape. 'Karl Foerster' has wonderful, tall flower plumes that create an eye-catching focal point when grown in a container. Spot sprayed areas - grazing or cutting for stock feed - 14 days. to spot spray mature serrated tussock before seeding. Use glyphosate for a complete knockdown of serrated tussock and other weeds. Withholding period: Don't graze cows or goats that are being milked on treated areas. The individual seeds have a long tail on the end called an awn. It is hardy, drought tolerant, unpalatable to stock and difficult to control. The herbicide washes out faster from sandy soils than clay soils. Rate: 3.3 L per 10 L water Check paddocks after spraying for any missed plants. Stipa oreophila Speg. Contact your local council for assistance and advice. In 2008, Mexican feather grass was inadvertently sold by a number of retail chain stores throughout Victoria. Mexican feather grass, also called pony tails, is a superb grass known for its shimmering golden panicles. The difference in both cases is that the leaves of these grasses are flat, not tightly rolled like Mexican feather grass. Mexican feather grass is a serious weed to Australia. because the flowers look like feathers, and the native poa (Poa spp.) (Photo: Claire Lock ), Mexican feather grass flower spikes (Photo: Claire Lock ). Repeat treatment as smaller tussocks mature. weeping grass, wallaby grass, spear grass) can be killed by flupropanate herbicides. Herbicide group: J, Inhibitors of fat synthesis (Not ACCase inhibitors) Use the wiper in two directions to improve efficacy. Comments: Wiper suppression Mexican Feather Grass, Nassella tenuissima, is native to Mexico, Argentina, west Texas and southern New Mexico. To avoid herbicide resistance: Check weed survival after spraying. Mexican feather grass is a serious weed to Australia. Mexican feather grass grows in upright tussocks up to 70 cm tall. Treat survivors with a different herbicide. Investigations have revealed that approximately 4000 Mexican feather grass plants may have been supplied to stores from January to May 2008. ex Hemsl. Resistance risk: Moderate. Don't graze stock on treated areas for 14 days prior to slaughter. The other pest, Mexican feathergrass, is a common plant material in the region’s landscape trade, Russell said. Foliage: evergreen Blooming: May to October Glyphosate has no residual effect. Like other grasses in the Stipa genus, Mexican feather grass develops delicate pale green flowers which turn wheat-colored, at the tips of stems that move in a breeze. (Roundup®) dead plant material covers the growing parts of weeds. Weed futures: Determining current and future weed threats in Australia, Nassella tenuissima. Spot sprayed areas - grazing or cutting for stock feed - 14 days. These grasses form the genus Stipa and they’re the ones you can count on to sway in the gentlest breeze.Adding Stipa to the landscape guarantees movement, refinement, and even calm. Follow up is essential for successful control. Just what everyone needs in the new year. The distribution of the grass in Victoria is not known as there are still plants unaccounted for as a result of the sales in 2008. More than 200 grasses comprise the Stipa genus and many are vital forage crops. Both flupropanate and glyphosate are suitable. Checked with Steve Taylor who said "we removed the Mexican feather grass today – well spotted by Jim Bariesheff. It may not stop seed production when  applied after mid-August. We will treat, remove and dispose of Mexican feather grass safely, at no cost to the land owner. Read more. Six plants in total – a search will begin of gardens nearby tomorrow. “It’s kind of ironic that Mexican feathergrass is such a threat to native pastures,” she said. Leaves are thin and roll smoothly between the thumb and forefinger. Spot sprayed areas - grazing or cutting for stock feed - 14 days. Interestingly there have been recent reports in Tasmania, the Blue Mountains and New Zealand – so still out there in the nursery trade despite being prohibited by all governments." Blanket sprayed pastures - grazing or cutting for stock feed - 120 days. For technical advice and assistance with identification please, Mexican feather grass plant (Photo: Alan Maguire), Mexican feather grass as an ornamental grass (Photo: Alan Maguire), Mexican feather grass seedling (Photo: Alan Maguire), Mexican feather grass showing the glumes (Photo: Alan Maguire), Mexican feather grass grows in clumps. Resistance risk: Moderate, PERMIT 9792 Expires 30/11/2025 Glyphosate 360 g/L Inspired from prairie planting, this modern and natural planting combines the rich, cool purple flower spikes of Catmint 'Six Hills Giant' (Nepeta x faassenii) with the billowing blooms of Mexican Feather Grass (Stipa tenuissima), providing an attractive contrast and airiness to this border. Height – 1 ½ feet (50 cm) Exposure – full sun Soil – ordinary, well drained. History and Origins of Mexican Feather Grass. Rate: 3 L per ha Serrated Tussock is a Weed of National Significance and its entry into Australia is prohibited. Use a spray shield to minimise damage to surrounding plants. It’s been sold through nurseries under the following incorrect names: Online overseas seed companies have marketed the plant under various names including: Please do not attempt to treat or dispose of this weed yourself. Withholding period: Nil. produced on a round, smooth and hairless spike, clustered in a group 15–25 cm long at the end of the spike, with a sheath that looks like a leaf at the bottom of the flowers, held inside two purple or reddish-brown structures, 6–10 mm long called glumes, with an awn (looks like a bristle or thick hair) at the end of the seed. Mexican feather grass facts. If allowed to establish, the economic and environmental costs of Mexican feather grass could reach tens of millions of dollars annually. Don't graze stock on treated areas for 14 days prior to slaughter. The leaves in the centre of the clump are usually the tallest and upright but may droop over at the top. It describes the state and regional priorities for weeds in New South Wales, Australia. There is less chance of damage to non-target plants (particularly trees) using flupropanate. These plants have been controlled. These plants have been controlled. 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