There is an image of this
cultivar on the
Hosta Library. From the photo on the HL website, it appears to be a large
size hosta with dark green leaves and yellow medial
(center) variegation. This non-registered cultivar was
Heinz Klose of
Staudengärtnerei Klose in Germany.
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. sieboldiana x H. 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')..."