Cultivar NamePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonSourceRegistered
'Dahlonega'LargeYellow--HybridPale-LavenderJune into JulyMcDonell, Harold.2014
'Dakota'GiantBlue/Green--Unknown--Wade, Van--NR--
'Damascus Road'MediumYellow--Hybrid--Malloy, Alex--NR--
'Danubie Isla'MediumBlue/GreenStreakedYellowUnknown--Kósa, Lehel--NR--
'Dark Continent'SmallDark-GreenMarginalYellowHybridPale-LavenderJulyGoodwin, Randy.2013
'Dartmoor Forest'LargeDark-Green--HybridPale-LavenderJuly into AugustEason, Alan & Ruh, Peter & Ruh, Jean.2005
'Delaware'LargeDark-Green--UnknownNear-WhiteJuneWade, Van--NR--
'Delaware Blue Hen'GiantBlue/Green--Unknown-June into JulyKruer, George.2009
'Delaware River'MediumBlue/Green--UnknownMed-LavenderJuly into AugustMalloy, Alex.2005
'Denali'LargeDark-GreenMarginalYellowUnknownNear-WhiteJune into JulyGoodwin, Randy.2005
'Devil's Lake'LargeBlue/GreenStreakedWhiteHybrid--Moore, Jeff--NR--
'Devon Dream'SmallBlue/Green--SportMed-LavenderJuly into AugustBowden, Roger & Bowden, Ann--NR--
'Devon Hills'LargeMed-Green--Hybrid--Bowden, Roger--NR--
'Devon Moor'MediumMed-Green--Unknown--Bowden, Roger--NR--
'Devon Tot'MediumMed-Green--UnknownMed-Lavender-Bowden, Roger & Bowden, Ann--NR--
'Diamond Lake'MediumBlue/Green--UnknownPale-LavenderJune into JulyWalters Gardens--NR--
'Dilli Line'----Unknown--Becherer, Josef--NR--
'Dilli One'----Unknown--Becherer, Josef--NR--
'Dixie Chick'SmallDark-GreenMarginalWhiteHybridLight-PurpleAugust to OctoberAvent, Tony.1999
'Dixie Chick Green'SmallDark-GreenMedialWhiteSportLight-PurpleAugust to OctoberWade, Van--NR--
'Dixie Chickadee'MiniatureDark-GreenStreakedWhiteSportLight-PurpleAugustAvent, Tony.2007
'Dixie Cups'MediumBlue/Green--HybridPale-LavenderJuly into AugustAvent, Tony.2007
'Dixie Joy'SmallMed-GreenStreakedSpecklesHybridPale-LavenderAugustAden, Paul.1983
'Dixie Queen'SmallMed-Green--HybridPale-LavenderJulySavory, Robert.1982
'Dixieland Delight'MediumMed-GreenMarginalYellowHybridLight-PurpleJuly into AugustAvent, Tony.2007
'Dixie's Memory'-Dark-GreenMarginalYellowHybridPale-LavenderJuneMyers, Gary.2018
'Domaine De Courson'LargeMed-Green--SportPale-LavenderJuly into AugustVan Doorslaer & Grenfell, Diana.1996
'Donhead St. Andrew'MediumDark-GreenStreakedWhiteUnknown--Unknown--NR--
'Dorset Blueblood'SmallBlue/Green--SportPale-LavenderJulyZilis, Mark--NR--
'Dover Downs'LargeBlue/GreenStreakedYellowHybrid--Goodenough, Rick--NR--
'Down Yonder'LargeBlue/GreenMarginalYellowUnknown  Ziarek, Ken--NR--
'Du Page Delight'LargeBlue/GreenMedialYellowSportPure-WhiteJuneZilis, Mark.1990
'Dubuque Blues'LargeBlue/Green--TC SportNear-WhiteJune into JulySchwarz, Jim--NR--
'Dubuque Star'MediumYellow--Hybrid--Husemann, Jim--NR--
'Dubuque Sweet Standard'LargeMed-GreenMedialSpecklesTC SportPale-LavenderAugust to SeptemberZilis, Mark--NR--
'Dubuque University Spartans'MediumBlue/Green--Unknown-June into JulyFreeman, Franc.2011
'Duke of Cornwall'LargeDark-GreenStreakedWhiteSportNear-WhiteJune into JulySligh, Barry & The American Hosta Society.2019
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