Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Hampshire County'MediumBlue/GreenMarginalWhiteHybridNear-WhiteJuneLachman, Wm & Eleanor.1993
'Hampshire Farms Going Green'MediumYellow  TC Sport July into AugustZilis, Mark.2009
'Hartman Creek'    Hybrid  Moore, Jeff--NR--
'Hawaiian Luau'MediumYellowMarginalGreenNat-SportMed-LavenderAugustZilis, Mark.2011
'Healey Falls'SmallDark-GreenMedialWhiteUnknown  Spence, Jim--NR--
'Heather Hill'SmallDark-GreenMarginalWhiteNat-SportLight-PurpleAugust to SeptemberHeather Hill Gardens--NR--
'Heslington'    Duplicate  Duplicate Name 
'High Cliff'    Hybrid  Moore, Jeff--NR--
'High Country'MediumDark-GreenMedialWhiteNat-SportPale-LavenderJuly into AugustBenfield, Jeff.2004
'Highgrove'    Duplicate  Duplicate Name 
'Highland Fling'GiantMed-GreenMarginalWhiteHybrid  Ward, Dr Dick & Jane.2012
'Holar Arches Park'GiantLight-Green  Hybrid  Van Keer, Ronny--NR--
'Holar Red Sea Shell'LargeMed-Green  Hybrid  Van Keer, Ronny--NR--
'Holmen Class of '59'MediumLight-Green  UnknownMed-LavenderJuly into AugustKwick, Charles.2017
'Holstein'    Duplicate  Duplicate Name 
'Holy Toledo'LargeDark-GreenMedialYellowHybridPure-WhiteJune into JulyGraves, Butch.2011
'Housatonic'LargeBlue/Green  HybridNear-WhiteJunePayne, Henry.1976
'Hubbard Lane'  Streaked Unknown  Unknown--NR--
'Hudson Bay'LargeDark-GreenMedialWhiteTC SportNear-WhiteJune into JulyVeldeman, Linda & Walters Gardens.2012
'Hudson River'SmallMed-GreenMarginalYellowHybridPale-LavenderJulyMalloy, Alex.2001
'Hunter's Ridge'MediumBlue/GreenMarginalWhiteHybridPale-LavenderAugustWilkins, Dr Jim & Sandy.2002
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