Cultivar NamePlant SizeOriginFlower ColorSeasonSourceRegistered
'Hacksaw'SmallHybridMed-LavenderJuly into AugustLivingston, Ron--NR--
'Hadspen Mystique'LargeHybridMed-LavenderAugust to SeptemberSmith, Eric & Ruh, Peter & Ruh, Jean.2003
'Hadspen Rainbow'LargeUnknown--Unknown--NR--
'Hadspen Samphire'MediumHybridPale-LavenderAugustSmith, Eric & Ruh, Peter.1997
'Hadspen Seersucker'LargeUnknownMed-LavenderJulySmith, Eric--NR--
'Hakuyo'MediumHybridLight-PurpleAugust to OctoberWatanabe, Kenji & Ruh, Peter.2002
'Halcyon Green'SmallSport--Unknown--NR--
'Half Moon'SmallHybrid--Malloy, Alex & Beilstein, Doug--NR--
'Half Pint'MiniatureUnknown--Benedict, Dr Ralph (Herb)--NR--
'Hammurabi'MediumSport--Leuckx, Bart--NR--
'Hang on Sloopy'MediumHybridPale-LavenderJune into JulyWard, Dr Dick & Ward, Jane.2014
'Hanja's Red Spider'-Hybrid--Hansen, Jan Hurup--NR--
'Hannah'SmallUnknown-June into JulySchwarz, Jim & Schwarz, Karen.2014
'Hans Solo'GiantHybridPale-LavenderJuly into AugustHansen, Hans--NR--
'Happenstance'MediumHybridMed-LavenderJune into JulyBlake, Amanda.2012
'Harkness'SmallUnknown--Epstein, Harold--NR--
'Harold's Thumb'MiniatureHybrid--Unknown--NR--
'Harper Grace'SmallHybridPale-LavenderJune into JulyKwick, Charles.2017
'Harry Torbert'LargeHybridPale-LavenderJuly into AugustZolock, Steve & Zolock, Sarah.2003
'Harry van de Laar'MediumHybridMed-LavenderJuly into AugustVisser, Cees--NR--
'Harry van Trier'SmallUnknown--Spruyt, Jan--NR--
'Haru Kaori'MediumSportPale-LavenderAugust to SeptemberUnknown--NR--
'Haru Yuki Nishiki'LargeSportPale-LavenderJulyUnknown--NR--
'Harushoku'MediumSportLight-PurpleAugust to SeptemberUnknown--NR--
'Harvest Dandy'LargeHybridLight-PurpleSeptemberSummers, Alex & Ruh, Peter.1997
'Harvest Dawn'SmallHybridLight-PurpleAugust to SeptemberSummers, Alex & Ruh, Peter.1997
'Harvest Delight'MediumHybridPale-LavenderAugust to OctoberSummers, Alex & Ruh, Peter.1997
'Harvest Desire'MediumHybridPale-LavenderAugust to OctoberSummers, Alex & Ruh, Peter.1997
'Hauser Wide Leaf'MediumUnknown--Rocknell Nursery--NR--
'Heart of Hearts'LargeHybridDeep-PurpleJulyZidonis, Wayne & Zidonis, Rita.2011
'Heart's Delight'SmallSportPale-LavenderJuly into AugustWilson, Chris.2007
'Heather'LargeUnknown-August to SeptemberSchwarz, Jim.2015
'Heaven on Earth'MediumUnknown-August to SeptemberAsch, Stuart.2009
'Heideturm'LargeUnknownMed-LavenderJuly into AugustFischer, Dr Ullrich--NR--
'Hellebarde'SmallUnknown--Kohlein, Fritz--NR--
'Hello There'MediumUnknownLight-PurpleAugustBenedict, Dr Ralph (Herb) & Kuenster, Rod.2010
'Henry Payne'MediumUnknownPure-WhiteJuly into AugustSyre-Herz, Ursula.1996
'Henry the First'GiantHybridNear-WhiteJune into JulyKwick, Charles.2017
'Her Grace'LargeUnknownNear-WhiteJulyFisher, Eunice V. & The American Hosta Society.1970
'Herbal Tea'MediumTC SportPale-LavenderJuly into AugustZilis, Mark.2009
'Herbert'GiantUnknownNear-WhiteJune into JulyZager, Herbert A. & Ruh, Peter.1996
'Herbie Rocks'SmallHybridMed-LavenderJuly into AugustZolock, Steve & Zolock, Sarah.2005
'Herifu Tet'MediumUnknown--Unknown--NR--
'Hervester Smaragd'SmallHybridPale-LavenderJuly into AugustLokies, Martin.2015
'Hey You'MediumUnknown--Scheer, Alttara--NR--
'Hidden Agenda'MediumUnknownNear-WhiteJuly into AugustPollock, Ali.2005
'Hidden Cove'SmallUnknownLight-PurpleJulyFoster, Eugene & Malloy, Alex.1998
'Hidden Gem'MediumHybridNear-WhiteJuly into AugustKwick, Charles.2017
'Hide and Seek'SmallSportLight-PurpleJulySolberg, Robert--NR--
'Hideko's Gift'MediumUnknown--Unknown--NR--
'High Command'LargeHybrid--Malloy, Alex--NR--
'High Kicker'MediumHybridPale-LavenderAugustAden, Paul.1987
'High Radiation'MediumUnknown-August to SeptemberLydell, Ransom & Walek, Kevin.2009
'High Wire'SmallUnknownMed-LavenderJulyLydell, Ransom.1995
'Hillary'MediumHybridMed-LavenderJuly into AugustKwick, Charles.2017
'Hime Koba'SmallSportLight-PurpleAugustUnknown--NR--
'Hime Setouchi'MediumSportMed-LavenderAugust to OctoberUnknown--NR--
'Hime Urajiro Hyaga'MiniatureSportNear-WhiteAugust to SeptemberUnknown--NR--
'Hippeastrum'MediumUnknown--Unknown--NR--
'Hippodrome'MediumHybridNear-WhiteJuneMalloy, Alex.2001
'Hirao Elite'MediumUnknownLight-PurpleAugust to OctoberHirao, Shuichi & Ruh, Peter.1997
'Hirao Grande'MediumHybridLight-PurpleAugust to OctoberHirao, Shuichi & Ruh, Peter.1997
'Hirao Imperial'SmallHybridPale-LavenderAugust to OctoberHirao, Shuichi & Ruh, Peter.1998
'Hirao Majesty'LargeUnknownPale-LavenderJulyHirao, Shuichi & Ruh, Peter.1997
'Hirao Monument'MediumHybridPale-LavenderSeptemberHirao, Shuichi & Ruh, Peter.1997
'Hirao Splendor'MediumUnknownPale-LavenderSeptemberHirao, Shuichi & Ruh, Peter.1997
'Hirao Supreme'LargeUnknownPale-Lavender-Hirao, Shuichi & Ruh, Peter.1997
'Hitotsuba'MediumSportPale-LavenderJuly into AugustUnknown--NR--
'Hokkaido'LargeHybrid--Unknown--NR--
'Holar Arches Park'GiantHybrid--Van Keer, Ronny--NR--
'Holar Black Swan'LargeHybridMed-LavenderAugust to SeptemberVan Keer, Ronny--NR--
'Holar Crimson Grape'LargeHybrid--Van Keer, Ronny--NR--
'Holar Garnet Crow'MediumHybrid--Van Keer, Ronny--NR--
'Holar Great Wall'GiantHybridMed-Lavender-Van Keer, Ronny--NR--
'Holar Laser Beam'MediumHybridDeep-Purple-Van Keer, Ronny--NR--
'Holar Mystic Girl'MediumHybrid--Van Keer, Ronny--NR--
'Holar Mystic Purple'MediumHybrid-AugustVan Keer, Ronny--NR--
'Holar Rainbow Magic'MediumHybrid--Van Keer, Ronny--NR--
'Holar Red Halo'MediumHybrid--Van Keer, Ronny--NR--
'Holar Red Sea Shell'LargeHybrid--Van Keer, Ronny--NR--
'Holar Red Spear'MediumHybrid--Van Keer, Ronny--NR--
'Holar Red Wine'MediumHybridMed-Lavender-Van Keer, Ronny--NR--
'Holar Sunset Cobra'MediumHybrid--Van Keer, Ronny--NR--
'Holar White Satin'MediumHybrid--Van Keer, Ronny--NR--
'Holar Wild Side'MediumHybrid--Van Keer, Ronny--NR--
'Holden Golden'SmallUnknown--Unknown--NR--
'Holly's #14'MediumUnknown--Holly, Gladys & The American Hosta Society--NR--
'Holly's Child'LargeHybridLight-PurpleJulyBenedict, Dr Ralph (Herb)--NR--
'Holly's Dazzler'MediumHybridLight-PurpleJuly into AugustBenedict, Dr Ralph (Herb).1987
'Holly's Honey'LargeHybridLight-PurpleJuly into AugustHolly, Gladys & The American Hosta Society.1986
'Holly's Hybrid'MediumHybridLight-PurpleJuly into AugustHolly, Gladys & Ruh, Peter.2002
'Holly's Shine'LargeHybridLight-PurpleJulyBenedict, Dr Ralph (Herb).1987
'Holly's Stinger'SmallHybrid--Benedict, Dr Ralph (Herb)--NR--
'Holly's Velvet'LargeUnknown--Unknown--NR--
'Holly's Velvet Piecrust'LargeHybridLight-PurpleJulyBenedict, Dr Ralph (Herb).1995
'Hollywood Tin Cup'LargeSportNear-WhiteJuly into AugustKrueger, M. & Krueger, F..2019
'Holmen Class of '59'MediumUnknownMed-LavenderJuly into AugustKwick, Charles.2017
'Holy Holy Holy'LargeUnknown--Unknown--NR--
'Home Run'MediumHybrid--Malloy, Alex--NR--
'Home Run Owen'-Hybrid--Moore, Jeff--NR--
'Homecoming Queen'LargeHybrid--Balitewicz, Bob.2012
'Honey'GiantHybridPale-LavenderJulySavory, Robert.1977
'Honey Bunch'SmallUnknown--Benedict, Dr Ralph (Herb)--NR--
'Honey Hill Balloon Bouquet'LargeUnknownLight-PurpleJulyErb, Marsha Axmear.1999
'Honey Hill Bubble Up'LargeUnknownMed-LavenderAugust to SeptemberErb, Marsha Axmear.2003
'Honey Hill Gravy Boat'MediumUnknown--Erb, Marsha Axmear.1999
'Honey Hill Midnight Oasis'MediumUnknown--Erb, Marsha Axmear--NR--
'Honey Hill Night Light'SmallUnknownMed-LavenderJuly into AugustErb, Marsha Axmear.1999
'Honey Hill Pearl Essence'LargeUnknownPale-LavenderJuly into AugustErb, Marsha Axmear.2003
'Honey Hill Pins and Needles'SmallHybridPale-LavenderAugust to OctoberErb, Marsha Axmear.1999
'Honey Hill Pucker Up'MediumUnknown--Erb, Marsha Axmear.1999
'Honey Hill Stainless Steel'MediumUnknown-June into JulyErb, Marsha Axmear.2003
'Honey Hill Water Ladle'LargeHybridNear-WhiteJulyHadrava, Jerry.1999
'Honey Hill Wrinkled Rainslicker'MediumHybridLight-PurpleAugust to OctoberErb, Marsha Axmear.1999
'Honey Moon'LargeHybrid-JulyAnderson, Kenneth.1982
'Honey Rhubarb'MediumUnknown--Unknown--NR--
'Honeybells'LargeHybridPale-LavenderAugust to OctoberCumming, Alex & The American Hosta Society.1986
'Honeysong Ginko'MediumSportLight-PurpleAugust to SeptemberSummers, Alex--NR--
'Honeysong Yahato Sito'MediumSportLight-PurpleJulySummers, Alex--NR--
'Honker'LargeUnknown--Wade, Van--NR--
'Honshi'SmallUnknown--Ragus, Gerhard & Ragus, Renate--NR--
'Hoop Skirt'GiantHybrid--Moldovan, Steve--NR--
'Hoopla'MediumUnknownPale-LavenderJulyUnknown & Zilis, Mark.2010
'Hoosier Dome'LargeHybridNear-WhiteJunePetryszyn, Olga.1998
'Hooters'LargeUnknown--Unknown--NR--
'Hootie's Coal Dust'SmallUnknown--Belk, Al--NR--
'Hortico Purple'MiniatureUnknown--Hortico Nursery--NR--
'Hot Air Balloon'LargeUnknown--Goodenough, Rick--NR--
'Hot Lips'MediumUnknownDeep-PurpleJuly into AugustBenedict, Dr Ralph (Herb) & Gowen, Hideko & Riehl, Frank.1993
'Hub City'LargeTC SportPale-LavenderJuly into AugustZilis, Mark.2003
'Hulkster'GiantHybridPale-LavenderJune into JulySimmering, Ron.2003
'Humility'MediumTC SportMed-LavenderJuly into AugustSnyder, Ron.1997
'Humor'SmallHybridPale-LavenderJuly into AugustRuh, Peter.1998
'Hunky Dory'MediumUnknownLight-PurpleJuly into AugustBenedict, Dr Ralph (Herb)--NR--
'Hunter V. Berthelot'LargeHybridPale-LavenderJune into JulyChamberlain, Steve.2015
'Hutch'LargeHybridNear-WhiteJulyStephens, Ray.1995
'Hyugabotan'MediumUnknownMed-LavenderAugust to SeptemberUnknown--NR--
'Ming Dynasty' (O'Harra)LargeUnknownPale-LavenderJulyO'Harra, Russ.1999
'Russ O'Harra'GiantHybridNear-WhiteJuly into AugustO'Harra, Russ.1999
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