- HostaHelper from PlantsGalore.Com

Cultivar Name	Plant Size	Leaf Color	Variegation	Var Color	Origin	Flower Color	Season	Source	Registered
'X Factor'	Medium	Blue/Green	-	-	Hybrid	Pale-Lavender	June into July	Ward, Dr Dick & Jane	.2013
'X-cellent'	Medium	Dark-Green	Medial	Yellow	Unknown	Pale-Lavender	July	Beilstein, Doug	.2018
'Xenophon'	Large	Blue/Green	Marginal	Yellow	Unknown	-	-	Malloy, Alex	--NR--
'Xtraordinary'	Large	Dark-Green	-	-	Hybrid	Med-Lavender	-	Zolock, Steve & Sarah	.2010