Cultivar Name
Source
Plant Size
Leaf Color
Variegation
Var Color
Origin
Flower Color
Season
Registered
'Ebony and Ivory'
Scheer, Alttara
Small
Light-Green
-
-
Unknown
-
-
--NR--
'Eireann'
Stone, David & Ruh, Peter
Large
Blue/Green
-
-
Unknown
Pale-Lavender
July into August
.1991
'Ellen'
Stone, David & Ruh, Peter
Small
Med-Green
-
-
Hybrid
Light-Purple
July
.1987
'Emerald Gem'
Stone, David & Ruh, Peter
Small
Yellow
-
-
Unknown
Light-Purple
July
.1991
'Emerald Green Metallic'
O'Brien, John
Large
Med-Green
-
-
Unknown
Near-White
July
--NR--
'Excalibur'
Stone, David & AHS
Small
Blue/Green
Marginal
White
Unknown
Light-Purple
August
.1986
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