Hosta sieboldiana

Hosta sieboldiana, Siebold's plantain lily, is a species of hosta native to Japan. 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. The cultivars 'Blue Angel', 'Blue Mammoth', and 'Olive Bailey Langdon' have also gained the RHS Award of Garden Merit.
Varieties.
Two varieties are accepted: