No.Cultivar NameSourcePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonRegistered
1 'X Factor'Ward, Dr Dick & Ward, JaneMediumBlue/Green  HybridPale-LavenderJune to July.2013
2 'X-cellent'Beilstein, DougMediumDark-GreenMedialYellowUnknownPale-LavenderJuly.2018

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