Originated in Japan but registered in 2005
by Peter and Jean Ruh of Ohio and
with new data in 2018, this
slow growing cultivar is a seedling of H. 'Yakushima Mizu'.
It is a miniature size hosta that grows to only 3 inches
in height with a spread of around 7 inches. The medium
green foliage has a yellow marginal variegation which
changes to white later in the season. Its leaves are
deeply wavy, lanceolate, slightly cupped, slightly twisted
and slightly shiny on top with short petioles. Lavender
flowers with white edges bloom on 9 inch tall scapes from mid-August into September on scapes up to 9 inches tall.
According to the registration materials: "...flat growth, white edges,
miniature...margin begins yellow, turns
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term mizu as water, 'Mizu Gibōshi' or
H. longissima and the term fukurin as margined or edged.