Cultivar Name
Plant Size
Leaf Color
Variegation
Var Color
Origin
Flower Color
Season
Source
Registered
'Yes, Sir!'
Large
Med-Green
-
-
Hybrid
-
July into August
Donsky, George
.2009
'Yorick'
Large
Dark-Green
Marginal
Green
Unknown
-
July into August
Squires, Keith & Ruh, Peter & Jean
.2005
'Yosemite Valley'
Giant
Yellow
-
-
Hybrid
-
-
Petryszyn, Olga
.2010
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