''Hosta sieboldiana'', Siebold's plantain lily, is a species of

hosta ''Hosta'' (, syn. ''Funkia'') is a genus of plants commonly known as hostas, plantain lilies and occasionally by the Japanese name gibōshi. Hostas are widely cultivated as shade-tolerant foliage plants. The genus is currently placed in the fa ...

native to Japan. A putative variety, ''Hosta sieboldiana'' var. ''elegans'' (called the giant blue hosta), has gained the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nort ...

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

, as has a putative variety of its synonym; ''Hosta fortunei'' var. ''aureomarginata'', the gold-edged plantain lily. The cultivars 'Blue Angel', 'Blue Mammoth', and 'Olive Bailey Langdon' have also gained the RHS Award of Garden Merit.

Varieties

Two varieties are accepted: *''Hosta sieboldiana'' var. ''glabra'' N.Fujita *''Hosta sieboldiana'' var. ''sieboldiana''

References

{{Taxonbar, from=Q882424 sieboldiana Plants described in 1887