Chrysanthemum Leucanthemum Invasive Plant Information

Chrysanthemum Leucanthemum has been reported in the following 51 states:

Alaska, Arizona, Colorado, Connecticut, District Of Columbia, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maryland, Minnesota, Mississippi, Montana, Nebraska, New Hampshire, New Mexico, North Carolina, Oklahoma, Pennsylvania, South Carolina, South Dakota, Utah, Vermont, Wisconsin, Wyoming, Oregon, West Virginia, Alabama, Arkansas, California, Delaware, Florida, Hawaii, Iowa, Louisiana, Maine, Massachusetts, Michigan, Missouri, Nevada, New Jersey, New York, North Dakota, Ohio, Rhode Island, Tennessee, Texas, Virginia, Washington

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The following information is licensed as Creative Commons content from Wikipedia and the USDA.
More information about Chrysanthemum Leucanthemum may be found here, or from the US Department of Agriculture.

Leucanthemum is from the Ancient Greek λεκ (leukós, "white") and νθο (ánthos, "flower"). Symbolic meaning of Oxeye daisy: Patience ( vulgare is a typical grassland perennial wildflower, growing in a variety of plant communities including meadows and fields, under scrub and open-canopy forests, and in disturbed areas.Leucanthemum vulgare, the ox-eye daisy or oxeye daisy, is a widespread flowering plant native to Europe and the temperate regions of Asia and an introduced plant to North America, Australia and New Zealand. It is one of a number of family Asteraceae plants to be called a "daisy", and has the additional vernacular names common daisy, dog daisy and moon daisy.

Leucanthemum vulgare is a perennial herb one to three feet high by 1 foot (0.30 m) wide. The stem is mostly unbranched and sprouts laterally from a creeping rhizomatous rootstock.
The leaves are dark green on both sides. The basal and middle leaves are petiolate, obovate to spoon-shaped, and serrate to dentate. The upper leaves are shorter, sessile, and borne along the stem.
L. vulgare blooms from late spring to autumn. The small flower head, not larger than 5 centimetres (2.0 in), consists of about 20 white ray florets that surround a yellow disc, growing on the end of 1 to 3 ft (30 to 91 cm) tall stems. The plant produces an abundant number of flat seeds, without pappus, that remain viable in the soil for 2 to 3 years. It also spreads vegetatively by rhizomes.
The unopened flower buds can be marinated and used in a similar way to capers.
Grieve's Modern Herbal (1931) states that "The taste of the dried herb is bitter and tingling, and the odour faintly resembles that of valerian."
Leucanthemum vulgare is widely cultivated and available as a perennial flowering ornamental plant for gardens and designed meadow landscapes. It thrives in a wide range of conditions and can grow in sun to partial shade, and prefers damp soils. There are cultivars, such as 'May Queen' which begins blooming in early spring.
Leucanthemum vulgare became an introduced species via gardens into natural areas in parts of Canada, the United States, Australia, and New Zealand, where it is now a common weed. In some habitats it is an invasive species forming dense colonies displacing native plants and modifying existing communities, and is classified as a noxious weed.
It is difficult to control or eradicate, since a new plant can regenerate from rhizome fragments and is a problem in pastures where beef and dairy cattle graze, as usually they will not eat it, thus enabling it to spread.
Ox-eye daisy is a host for several viral diseases affecting crops.
Allergies to daisies do occur, usually causing contact dermatitis.

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