- HostaHelper from PlantsGalore.Com

Giant Size Hostas	Leaf Color	Variegation	Var Color	Origin	Flower Color	Season	Source	Registered
'Iliamna Monster'	Med-Green	-	-	Unknown	-	-	Unknown	--NR--
'Immense'	Dark-Green	-	-	Hybrid	Near-White	July	Ruh, Peter	.1991
'Incredible'	Blue/Green	Marginal	Chartreuse	Unknown	Near-White	June into July	Benedict, Dr Ralph (Herb)	--NR--
'Incredible Hulk'	Dark-Green	-	-	Unknown	Pale-Lavender	July	Elslager, Ed	.1998
'Incredible Hunk'	Blue/Green	-	-	Unknown	Pale-Lavender	July	Elslager, Ed	.1998
'Independence Day'	Med-Green	Marginal	Yellow	Nat-Sport	Pale-Lavender	July	Wade, Van	.1998
'Irish Hills'	Dark-Green	-	-	Nat-Sport	Pale-Lavender	July into August	Anderson, Kenneth	.1996
'Ivory Tower'	Yellow	-	-	Hybrid	Near-White	June into July	Ward, Dr Dick & Jane	.1996