A second generation
seedling was registered in 1988 by the
British Hosta and
Hemerocallis Society (BHHS) on behalf of the originator,
Eric Smith. It grows
into a large size hosta about 19 inches in
height with a spread of 42 inches with
foliage with thick substance. The near white flowers bloom
mid-July into August.
The Hostapedia by Mark Zilis (2009), "...one of my favorite Tardianas.
Its rich blue foliage retains its color into late summer..."
According to a Google search, Sherborne is a market town in
northwest Dorset, in South West England.
Similar cultivars include H. 'Blue Diamond'.