Cultivar NamePlant SizeOriginFlower ColorSeasonSourceRegistered
'Uguisu Koba'SmallUnknown--Oofuna Botanical Garden--NR--
'Ulee's Gold'SmallUnknown-June into JulyTreichel, Bernie.2006
'Ultraviolet Light'MediumHybridLight-PurpleJulyWilkins, Dr Jim & Wilkins, Jill.1989
'Uncle Sam'MediumHybrid--Malloy, Alex--NR--
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