Heinz Klose from Germany originated and
Peter Ruh of Ohio registered this hybrid of
H. 'Tardiflora' × H. 'Elegans'
in 1987. It grows
into a medium size hosta about 18 inches in height with a spread of 32 inches.
The deep blue leaves are slightly wavy and have thick substance.
Pale lavender flowers bloom in July.
The Hostapedia by Mark Zilis (2009), "...translates to "Irish Sea" which is sometimes the listed
cultivar name. It is a
Tardiana-type cultivar with rich blue
Nomenclature changes recommended in the
1991 book The
Genus Hosta by
W. George Schmid and accepted by The American Hosta Society would update names as follows: H. x
tardiana is now Tardiana Group.
An article by W. George Schmid in
Hosta Journal (1985 Vol. 16) states that, "In
Heinz Klose obtained a number of
H. x tardiana plants after
Smith left Hadspen House nursery. He is also actively selecting and propagating
H. 'Semperaurea' seedlings...Named by him are several hybrid
seedlings: H. 'Goldpfeil' ('Gold Arrow'), H. 'Weisse Glocke' ('White Bell'), and
H. 'Zitronenfalter' ('Lemon Butterfly')...special cultivars with
lines are: H. 'Blauglut' ('Blue Glow') and H. 'Blaue Wolke' ('Blue Cloud') which
reminds one of H. 'Blue Heaven'...with his H. x tardiana...has named one H. 'Irische
See' ('Irish Sea')...H. 'Nordatlantic' ('North Atlantic')..."