Leucanthemum × superbum explained

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.

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; this double hybrid was itself crossed with Leucanthemum lacustre.[2] [3] The resulting Leucanthemum triple hybrid was crossed with Nipponanthemum nipponicum, 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', '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]

External links

Notes and References

  1. Web site: Leucanthemum × superbum (Shasta daisy) . Gardenia . 23 November 2019 . 22 September 2020 . https://web.archive.org/web/20200922080220/https://www.gardenia.net/plant-variety/leucanthemum-x-superbum-shasta-daisy . live .
  2. Ruth Rogers Clausen and Thomas Christopher. Essential Perennials: The Complete Reference to 2700 Perennials for the Home Garden. Timber Press, 2015. p. 250.
  3. Maureen Gilmer. "Discovering a Daisy". The Daily Journal. 15 August 2014. Retrieved 15 April 2015.
  4. Web site: RHS Plant Selector - Leucanthemum × superbum 'T.E. Killin' . 2 October 2020 . 5 May 2021 . https://web.archive.org/web/20210505165141/https://www.rhs.org.uk/Plants/63102/Leucanthemum-x-superbum-T-E-Killin-(d)/Details . live .
  5. Web site: Leucanthemum × superbum 'Wirral Supreme' . RHS . 1 October 2020 . 22 April 2022 . https://web.archive.org/web/20220422061021/https://www.rhs.org.uk/plants/94524/leucanthemum-x-superbum-wirral-supreme-(d)/details . live .
  6. Web site: AGM Plants - Ornamental . July 2017 . 59 . Royal Horticultural Society . 21 March 2018 . 5 January 2018 . https://web.archive.org/web/20180105180412/https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf . live .

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