Hosta sieboldiana, Siebold's plantain lily, is a species of hosta native to Japan.[2] A putative variety, Hosta sieboldiana var. elegans (called the giant blue hosta), has gained the Royal Horticultural Society's Award of Garden Merit, as has a putative variety of its synonym; Hosta fortunei var. aureomarginata, the gold-edged plantain lily.[3][4] The cultivars 'Blue Angel', 'Blue Mammoth', and 'Olive Bailey Langdon' have also gained the RHS Award of Garden Merit.[5][6][7]

Varieties

Two varieties are accepted:[2]

  • Hosta sieboldiana var. glabra N.Fujita
  • Hosta sieboldiana var. sieboldiana

References

  1. ^ H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam. 2(5): 40 (1887)
  2. ^ a b c "Hosta sieboldiana Regel". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 4 September 2020.
  3. ^ "Hosta sieboldiana var. elegans giant blue hosta". The Royal Horticultural Society. Retrieved 4 September 2020.
  4. ^ "Hosta fortunei var. aureomarginata gold-edged plantain lily". The Royal Horticultural Society. Retrieved 10 May 2021.
  5. ^ "Hosta 'Blue Angel' (sieboldiana) plantain lily 'Blue Angel'". The Royal Horticultural Society. Retrieved 4 September 2020.
  6. ^ "Hosta 'Blue Mammoth' (sieboldiana)". The Royal Horticultural Society. Retrieved 4 September 2020.
  7. ^ "Hosta 'Olive Bailey Langdon' (sieboldiana) (v)". The Royal Horticultural Society. Retrieved 4 September 2020.