Cultivar NamePlant SizeOriginFlower ColorSeasonSourceRegistered
'I'm So Blue'LargeUnknownNear-WhiteJuneSchwarz, Jim.1999
'I'm So Pretty'LargeSportPale-LavenderJulySchwarz, Jim.2003
'M Go Blue'LargeHybrid-July into AugustSchmidt, Bevie.2009
'Macabe Blue'MediumUnknownNear-WhiteJulySummers, Alex--NR--
'Mad About Blue'MediumHybridPale-LavenderJulyZilis, Mark--NR--
'Maddren'GiantHybridPale-LavenderJune into JulyGilligan, Madelon.2012
'Madelynn'LargeUnknownPure-WhiteJuneDarr, D. & Wade, Van.2007
'Madison'LargeHybridPale-LavenderJune into JulySanford, Matt.2011
'Madison Mine'LargeHybridPale-LavenderJuly into AugustZilis, Mark & Schwarz, Jim & Schwarz, Karen.2011
'Maggie May'LargeHybridPale-LavenderJulyWasitis, Chick.2001
'Magic Moment'MediumUnknown-June into JulyWard, Dr Dick & Ward, Jane.2015
'Magic Mountain'LargeHybridPale-LavenderJune into JulyWard, Dr Dick & Ward, Jane.2003
'Magica'LargeHybrid--Dupre, Dirk--NR--
'Magical Mouse Ears'MiniatureSportLight-PurpleJulyFransen, Marco--NR--
'Magnificent Michele'LargeHybridPale-LavenderJulyWard, Dr Dick & Ward, Jane.2005
'Majestic Blue'LargeUnknown--Aden, Paul--NR--
'Majordomo'LargeUnknownNear-WhiteAugustDeckert, Emile & Deckert, Jane.2004
'Mammoth Ears'GiantHybrid-June into JulyKruer, George.2009
'Mammoth Halo'GiantSportNear-WhiteJune into JulyAden, Paul--NR--
'Mandan' (Wade)LargeUnknown--Wade, Van--NR--
'Maple Grove'GiantUnknown--Jernigan, Bettie--NR--
'Marge'MediumHybridNear-WhiteJune into JulySimpers, Lucille & Soules, Marjorie.1996
'Margie Weissenberger'MiniatureHybridPale-LavenderJune into JulyWeissenberger, Henry.1986
'Marlu's Marshall'LargeHybridNear-WhiteJune into JulyOverhiser, Martin.2014
'Marvelous Millie'MediumUnknown-June into JulySeaver, Mildred & Walek, Kevin.2009
'Mary Chastain'-Hybrid--Goodenough, Rick--NR--
'Mary Jo'SmallUnknownPale-LavenderJulyStone, David & Ruh, Peter.1987
'Mary Lou'GiantUnknownPale-LavenderJulyBanyai, Pauline.1986
'Marýke Lokike'MediumHybrid-June into JulyLokies, Martin.2008
'Master Class'GiantHybridPale-LavenderJune into JulyGilligan, Madelon.2012
'Mastodon'LargeHybridNear-WhiteJune into JulyVaughn, Kevin & Walek, Kevin.2009
'Maui Blue Kitten'MediumHybrid--Vaughn, William--NR--
'May'SmallTC SportPale-LavenderJulyHansen, Hans.1999
'Mayan Seer'LargeHybridNear-WhiteJune into JulyMitchell, Bill--NR--
'McFly'MediumHybrid--Stadden, Josh--NR--
'Mean Joe Green'MediumHybridMed-LavenderJuly into AugustZolock, Steve & Zolock, Sarah.2008
'Melissa'MediumUnknown--Schwarz, Jim--NR--
'Memphis Blue'GiantHybrid--Petryszyn, Olga.2021
'Menominee'LargeUnknown--Wade, Van--NR--
'Merle'LargeHybrid--Wade, Van.2007
'Merle's Foundling'LargeUnknownPale-LavenderJulySimpers, Lucille--NR--
'Merri Sherri'MediumUnknown--Vertz, Mary--NR--
'Mesa Verde'LargeHybridNear-WhiteJune into JulyWard, Dr Dick & Ward, Jane.2004
'Metallica'MediumHybridMed-LavenderAugustLachman, Wm & Lachman, Eleanor.1991
'Metamorphosis'LargeHybridLight-PurpleJuly into AugustKwick, Charles.2017
'Miami'LargeHybridNear-WhiteJune into JulyWade, Van--NR--
'Michael T. Rozanski'GiantHybridNear-WhiteJune into JulyChamberlain, Steve.2004
'Michelle'LargeUnknownPale-LavenderJulyBastille, Jocelyne--NR--
'Microchip'MiniatureUnknownLight-PurpleJulyBenedict, Dr Ralph (Herb)--NR--
'Microtardiana'MediumUnknownMed-LavenderAugustUnknown--NR--
'Midnight Dream'GiantUnknown--Hackbarth, Robert.2015
'Midnight Express'LargeHybridPale-LavenderJune into JulyWard, Dr Dick & Ward, Jane.1996
'Midnight Hour'GiantUnknownPale-LavenderJuneWard, Dr Dick & Ward, Jane.2009
'Midwest Blue'LargeSportNear-WhiteJune into JulySummers, Alex--NR--
'Mike'GiantUnknown-June into JulyWebster, B..2010
'Mike's Peak'LargeUnknown--Summers, Alex--NR--
'Milk Road'LargeSportNear-WhiteJune into JulyVan den Top, Jan--NR--
'Millennium'GiantHybridPale-LavenderJune into JulyWilkins, Dr Jim & Wilkins, Jill.1995
'Mill's Master'SmallUnknown--Sneyers, Rob--NR--
'Mill's Roth-Stone'MediumUnknown--Sneyers, Rob--NR--
'Mill's Stilbon'SmallUnknown--Sneyers, Rob--NR--
'Mimosa Mouse Ears'SmallSportLight-PurpleJulySilvers, Bill--NR--
'Ming Dynasty' (Hanson)MediumUnknown-AugustHanson, Curt--NR--
'Ming Jade'LargeUnknownPale-LavenderJulyO'Harra, Russ.1999
'Mini Moon'MiniatureHybridNear-White-Lachman, Wm & Lachman, Eleanor--NR--
'Minimoon'MiniatureHybridNear-WhiteAugustLachman, Wm & Lachman, Eleanor.1992
'Minna Blue'MediumUnknown-AugustRuh, Jean.1997
'Minnie Klopping'MediumHybridPale-LavenderJulyArett, Anne & Klopping, Minnie.1975
'Mira'GiantSportPale-LavenderJune into JulyMaekawa, Dr Fumio & The American Hosta Society.2002 .2018
'Mirror Mirror'SmallHybrid--Goodenough, Rick--NR--
'Mischief'LargeUnknownNear-WhiteJuneDuback, Robyn.1998
'Miss Abbie'SmallHybridLight-PurpleAugustSchroeder, Bob & Schroeder, Barb.2019
'Miss Linda Smith'MediumUnknownLight-PurpleJulyWrede, Arthur.2006
'Miss Lucy'GiantUnknownNear-WhiteJune into JulySimpers, Lucille--NR--
'Miss You'MediumHybridPale-LavenderJulyLockwood, Mikky.2018
'Mississippi Delta'GiantHybridPale-LavenderJune into JulyPetryszyn, Olga.1998
'Mississippi Mist'MediumUnknown--Schulz, Ed.2014
'Mississippi Mud'GiantHybridPale-LavenderJuly into AugustSimmering, Ron.2000
'Missouri River'SmallHybridNear-WhiteJulyBeilstein, Doug & Malloy, Alex.2005
'Mister Red Genes'LargeHybrid--Wrede, Arthur--NR--
'Misty Waters'LargeUnknownNear-WhiteJuly into AugustFisher, Eunice V..1986
'Moby Dick'LargeHybridNear-WhiteJuly into AugustBrill, Kirk.1999
'Mohegan'LargeUnknownNear-WhiteJuneMegos, Stan & Malloy, Alex.1998
'Mollie's Blaue'LargeUnknown--Kohlein, Fritz--NR--
'Mommy's Little Monster'MediumHybrid--Stadden, Josh--NR--
'Mona Lisa'LargeUnknownPale-LavenderJuneWard, Dr Dick & Ward, Jane.2005
'Monashee Blue Cup'SmallUnknown--Montgomery, John--NR--
'Monster Babe'GiantHybridPale-Lavender-Minks, Eldren & Malloy, Alex.2000
'Montana Blue'LargeUnknown--Unknown--NR--
'Montel'LargeHybrid--Livingston, Ron--NR--
'Montreal Blue Ice Storm'GiantHybridPale-LavenderJune into JulyWade, Van.2007
'Mood Indigo'LargeHybridPure-WhiteJune into JulyWard, Dr Dick & Ward, Jane.1996
'Moody Blues'MediumUnknownPale-Lavender-Oudolf, Piet & Heemskerk, Gerardus--NR--
'Moon Is Blue'MediumUnknown--Moldovan, Steve--NR--
'Moon Monster'LargeUnknown-June into JulyLachman, Wm & Lachman, Eleanor & Walek, Kevin.2009
'Moongate Flying Saucer'SmallHybridPale-LavenderJulyIsaacs, Charles & Solberg, Robert.1996
'Moonlight Sonata'LargeHybridPale-LavenderAugustJohnson, Greg.2004
'More Elegant'GiantUnknownNear-WhiteJuneStadden, Josh.2001
'Moscow Blue'LargeHybridNear-WhiteJuly into AugustArett, Anne & The American Hosta Society.1986
'Mount Kip'GiantUnknownLight-PurpleJulySimpers, Lucille--NR--
'Mountain of Love'GiantUnknown--Ziarek, Ken--NR--
'Movin on Up'SmallUnknownMed-Lavender-Van Wyke, Trudy--NR--
'Mr Blue'MediumHybrid-July into AugustWrede, Arthur.2005
'Mr Red Genes'MediumHybrid--Wrede, Arthur--NR--
'Mr Z'MediumHybridNear-WhiteAugust to OctoberZilis, Mark & Schwarz, Jim & Schwarz, Karen.2014
'Mr. Black'LargeUnknown--Wrede, Arthur--NR--
'Mr. Ed'LargeUnknown--Elslager, Ed--NR--
'Mrs Mouse Ears'-SportLight-PurpleJulyUnknown--NR--
'Mrs. Allen'LargeSportNear-WhiteJune into JulyUnknown--NR--
'Murasaki Tokudama'-Unknown--Unknown--NR--
'Muriel Seaver Brown'LargeHybridPale-LavenderJune into JulySeaver, Mildred.1984
'Murmurs'MediumUnknown--Minks, Eldren & Malloy, Alex.2000
'My Blue Heaven'MediumUnknownLight-PurpleJulyBanyai, Pauline & Elslager, Ed.1997
'My Friend Bertha'SmallSportLight-PurpleJulyWalters Gardens--NR--
'My Heart'MediumUnknownLight-PurpleJulyWade, Van.2007
'Myles Standish'-Unknown--Unknown--NR--
'Mystic Star'SmallHybridPale-LavenderJuly into AugustJohnson, Greg.2004
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