Cultivar Name Plant Size Leaf Color Variegation Var Color Origin Flower Color Season Source Registered 'Yarden Yellow Snow' Medium Yellow - - Hybrid - July into August White, Brian .2008 'Yellow Comet' Medium Yellow - - Hybrid Light-Purple June into July Graves, Butch .2008 'Yellow Prize' Small Yellow - - Hybrid - - Kuenster, Rod .2008
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