No. Cultivar Name Plant Size Leaf Color Variegation Var Color Origin Flower Color Season Source Registered 1 'Ultramarine' Large Blue/Green - - Hybrid Pale-Lavender August Zilis, Mark .2003 2 'Ulysses S Grant' Large Med-Green - - Unknown Pale-Lavender July Sugita, Hajime & Ruh, Peter .2001 3 'Unchained Melody' Large Dark-Green Marginal Creamy White Hybrid Near-White July Wilkins, Dr Jim .2000 4 'Uncle John' Medium Blue/Green - - Hybrid Near-White July Nyikos, Frank .2000 5 'Uncle Shorty' Giant Blue/Green - - Unknown Near-White June into July Schulz, Ed .2017 6 'Uniquely Rails to Trails' Giant Med-Green - - Sport Pale-Lavender July into August Rosenberg, Marlene --NR-- 7 'Urajiro Hachijo' Medium Med-Green - - Sport Light-Purple September Unknown --NR--
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