Cultivar
Plant Size
Leaf Color
Variegation
Var Color
Origin
Flower Color
Season
Source
Registered
'Blue Boy'
Large
Blue/Green
-
-
Hybrid
Pale-Lavender
-
Stone, David & AHS
.1986
'Blue Cadet'
Small
Blue/Green
-
-
Hybrid
Pale-Lavender
July into August
Shaw, Florence
.1974
'Bon Voyage'
Medium
Med-Green
-
-
Hybrid
Near-White
June into July
Minks, Eldren
.1980
'Dear Heart'
Large
Blue/Green
-
-
Hybrid
Pale-Lavender
July
Minks, Eldren
.1975
H. nakaiana
Medium
Dark-Green
-
-
Unknown
Light-Purple
July
Species from Korea
--NR--
'Heartleaf'
Large
Blue/Green
-
-
Hybrid
Pale-Lavender
July
Fisher, Eunice V.
.1971
'Oxheart'
Medium
Med-Green
-
-
Hybrid
Pale-Lavender
June into July
Minks, Eldren
.1976
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