Leucanthemum × superbum

Leucanthemum × superbum, the Shasta daisy, is a commonly grown[1] flowering herbaceous perennial plant with the classic daisy appearance of white petals (ray florets) around a yellow disc, similar to the oxeye daisy Leucanthemum vulgare Lam, but larger.

Leucanthemum × superbum
Flower of the cultivar 'Becky'
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Leucanthemum
Species:
L. × superbum
Binomial name
Leucanthemum × superbum
(Bergmans ex J.W.Ingram) D.H.Kent
Stereo image
Right frame 
Shasta Daisy seeds

It originated as a hybrid produced in 1890 by the American horticulturist Luther Burbank from a number of daisies. First, he crossed Leucanthemum vulgare with Leucanthemum maximum (Ramond) DC.; this double hybrid was itself crossed with Leucanthemum lacustre (Brot.) Samp.[2][3] The resulting Leucanthemum triple hybrid was crossed with Nipponanthemum nipponicum (Franch. ex Maxim.) Kitam., creating an intergeneric cross of species from three continents.[2][3] It was named after Mount Shasta, because its petals were the color of the snow. Some members of the genus are considered noxious weeds, but the Shasta daisy remains a favorite garden plant.

Many cultivars are suitable for cut flowers, such as 'Becky', 'Esther Read', 'Silberprinzesschen' (Silver Princess), 'Snow Lady', 'Tinkerbell', 'Wirral Pride', 'Wirral Supreme'. The cultivars 'T.E. Killin'[4] and 'Wirral Supreme' [5] have gained the Royal Horticultural Society's Award of Garden Merit.[6]

References
  1. "Leucanthemum × superbum (Shasta daisy)". Gardenia. Retrieved 23 November 2019.
  2. Ruth Rogers Clausen and Thomas Christopher. Essential Perennials: The Complete Reference to 2700 Perennials for the Home Garden. Timber Press, 2015. p. 250. ISBN 9781604696721
  3. Maureen Gilmer. "Discovering a Daisy". The Daily Journal. 15 August 2014. Retrieved 15 April 2015.
  4. "RHS Plant Selector - Leucanthemum × superbum 'T.E. Killin'". Retrieved 2 October 2020.
  5. "Leucanthemum × superbum 'Wirral Supreme'". RHS. Retrieved 1 October 2020.
  6. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 59. Retrieved 21 March 2018.


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