Plants overwinter in the rosette stage until It was first blown for miles. Yellow Wild Indigo. There are numerous chemical treatment options available to manage Musk thistle. Rosette leaves of musk thistle usually have silvery margins that simplify identification. Hand Pulling: This method is most effective on small populations. Plants may grow as a biennial, germinating inwinter to early spring and existing as a rosette until Origin and Distribution. Flowers emerge in early May to August and may produce 1200 seeds per head and 120,000 seeds per plant. It spreads rapidly, forming extremely dense stands that crowd out desirable forages. ]), both of which are also non-native. The addition of a non-ionic surfactant to the herbicide mix will aid in control. It was discovered in Davidson County, Tennessee in 1942 and spread quickly throughout the state. Musk Thistle Carduus nutans L. Common Names: musk thistle, nodding plumeless thistle, nodding thistle Native Origin: western Europe Description: An aggressive, biennial herb in the aster family (Asteraceae) with showy red-purple flowers and painful spiny stems and leaves. Origin and Distribution DIVISION OF AGRICULTURE RESEARCH & EXTENSION University of Arkansas System Agriculture and Natural Resources FSA3054 Musk Thistle John Jennings Professor - Forages Gus Lorenz Associate Department Head - Entomology Professor - Weed Science Don Steinkraus Professor - Entomology This is a common Thistle on a dry soil, and may be known by its large drooping, crimson-purple flowers, the largest of all our Thistle blooms, handsome both in form and colour, and by its faint, musky scent. Beck, K. G.; Wilson, R. G.; Henson, M. A. It was first recorded in the United States in 1852 at Harrisburg, PA. It is often found on roadsides, waste areas, ditch banks, stream banks and in grain fields. The down of this, as of some other species, may be advantageously used as a material in making paper. Flowers or seed heads should be bagged and disposed of to Origin and Distribution. Spreading by seed only and producing 8,400 seeds per plant with plumeless thistle to 20,000 seeds per plant from musk thistle. Musk thistle, (Carduus nutans L.), is an invasive weed that has become widespread in the contiguous states of the United States. Mowing can be done when the terminal heads are in the late flowering stage, but there could be some regrowth and will have to be repeated. Apply herbicides such as Tordon, Milestone, Transline, Perspective, Vanquish/Clarity or 2,4-D to musk thistle rosettes in spring or fall. Minimizing soil disturbance will help prevent germination of seeds already present in the soil. Southeast Exotic Pest Plant Council Invasive Plant Manual. It is a biennial weed, although occasionally it is an annual. It is also related to the word card, which as a noun means a device (often a stiff-bristled … The Legacy. (aka nodding thistle) is a native of Europe. giving musk thistle its common nick-name, nodding thistle. prevent seed dispersal. Resources. Leaves: The dark green leaves are coarsely lobed, elliptic to lanceolate, with a smooth waxy surface, and a yellowish to white spine at the tip. Musk Thistle   a.k.a. Prevention is the best and cheapest management option. The dried flowers are used as a curdling agent for plant milks etc. Mature plants range in height from 1½ to 6 feet A low pressure and coarse spray pattern will limit drift and damage to non-target Tank mixes of several of these compounds may provide better control. Musk thistle weevil egg masses on a musk thistle seedhead. Optimum germination will take place in moist soil with 59° to 68°F soil temperature in the light and 68° to 86°F in the dark. A native of western Europe, musk thistle was introduced into the eastern UnitedStates in the early 1900s. Each thistle plant can produce 10,000 up to 120,000 seeds. Musk thistle flower. Musk thistle forms a rosette the first year and then bolts the second year to produce flowering stalks and has a taproot. Reports of its sighting in the US started towards the end of the 19th century and the welcoming of the twentieth. Early Detection and Rapid Response (EDRR) is a concept to identify potentially invasive species prior to or just as the establishment of the invasive is taking place. Edible parts of Musk Thistle: Pith of stem - boiled. A pleasant taste, it is eaten like asparagus. Musk thistle is an aggressive biennial plant with large, showy pink flowers on long multi-branched stems. Biennial thistle species can be found across the United States invading overgrazed or otherwise disturbed pastures, rangeland, roadsides and waste areas. In my random examinations of musk thistle patches over the past decades I would estimate that musk thistle … An Integrated Pest Management plan (IPM) can be developed to manage, contain and eradicate the invasive species before it can spread further. Home. The thistle is also the emblem of Encyclopædia Britannica, which originated in Edinburgh, Scotland. The large flower heads and broad, showy bracts make this species stand out from the rest, though closely related is Plumeless Thistle ( Carduus acanthoides ), whose flower … Pasture-land is particularly vulnerable because the drainage is good, and livestock will avoid thistle due to its spiny leaves and stems. Weed Technology, 4:482-486; 1990. Leaves are generally dark green with a light colored mid-rib and deeply segmented. , showy pink flowers on long multi-branched stems the native vegetation in pastures and rangeland and biodiversity! 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