This non-registered cultivar is an H. 'Tokudama' type of plant from
Heinz Klose of
Staudengärtnerei Klose in Germany. It develops
into a medium size hosta with blue-green foliage that is
heart shaped. Pale lavender flowers bloom in July.
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.
"blue cloud".
An article by W. George Schmid in
The
Hosta Journal (1985 Vol. 16) states that, "In
England,
Heinz Klose obtained a number of
H. x tardiana plants after
Eric
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
H. 'Sieboldiana'
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')..."
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