A hybrid of H. 'Tardiflora' ×
H. rupifraga from
Dr. Ralph (Herb) Benedict of Michigan, this cultivar was registered on his behalf by
Kevin Walek (Hosta Registrar) in 2009. The
medium size hosta is 13 inches high and spreads to a width
of 29 inches. Its dark green foliage is shiny, ovate and has red petioles.
It bears flowers in September in Michigan.
The Hostapedia by Mark Zilis (2009), "..."Ewa" stands for "Iwa", the common name for H. longipes in
Japan. The plant itself shows a strong affinity
to H. longipes and makes an attractive, low mound of
Mikiko Lockwood in an article on The Hosta Library titled,
A Little About Japanese Hosta Terms defines the term iwa as rock, Iwa Gibōshi or