This is seedling of
Williams' was registered by
The American Hosta Society on behalf of the originator,
Eunice V. Fisher of Wisconsin
in 1986. This giant size (32 inches high) plant has foliage that is heavily
corrugated and convexly cupped. It has near white flowers from late June into July.
The Hostapedia by Mark Zilis (2009), "Eunice V. Fisher introduced many fine
seedlings in the 1960's and 1970's,
including 'Hoarfrost'. It becomes a large, open mound of wavy,
Hoarfrost is defined
as frozen dew that forms a white coating on a surface. Also
called white frost.