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 Asteraceae family plants to be called a "daisy", and has the vernacular names common daisy, dog daisy, moon daisy and oxe-eye daisy.
Leucanthemum 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 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.
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 the Canada, 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.
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|Wikiversity has bloom time data for Leucanthemum vulgare on the Bloom Clock|