Cultivar NameSourcePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonRegistered
'Mabel-Maria Harweg'Seaver, Mildred & Walek, KevinMediumDark-GreenMarginalYellowUnknown--.2009
'Marathon'Herold, RoyLargeMed-Green--HybridNear-WhiteJuly into August--NR--
'Marble Rim'Shaw, Florence & AHSMediumMed-GreenMarginalYellowUnknown--.1986
'Marblehead Harbormaster'Goodenough, RickMediumBlue/GreenStreakedYellowUnknown----NR--
'Mardi Gras Parade'Vaughn, KevinMediumBlue/GreenStreakedYellowHybridNear-WhiteJuly--NR--
'Marshfield Harbormaster'Goodenough, RickLargeBlue/GreenStreakedWhiteHybrid----NR--
'Marvelous Millie'Seaver, Mildred & Walek, KevinMediumBlue/Green--Unknown-June into July.2009
'Mary Chastain'Goodenough, Rick-Blue/Green--Hybrid----NR--
'Mascara'Herold, RoySmallMed-Green--Unknown----NR--
'Mastodon'Vaughn, Kevin & Walek, KevinLargeBlue/Green--HybridNear-WhiteJune into July.2009
'Medusa'Herold, RoyMiniatureMed-GreenMedialYellowHybridLight-PurpleAugust.1993
'Metallica'Lachman, Wm & EleanorMediumBlue/Green--HybridMed-LavenderAugust.1991
'Mildred Seaver'Vaughn, KevinMediumMed-GreenMarginalWhiteHybridPale-LavenderJuly.1981
'Mini Moon'Lachman, Wm & EleanorMiniatureBlue/Green--HybridNear-White---NR--
'Minimoon'Lachman, Wm & EleanorMiniatureBlue/Green--HybridNear-WhiteAugust.1992
'Mint Tea'Goodenough, RickSmallLight-GreenMarginalWhiteHybrid----NR--
'Mirror Mirror'Goodenough, RickSmallBlue/Green--Hybrid----NR--
'Mistress Mabel'Lachman, Wm & EleanorMediumDark-GreenMarginalYellowHybridLight-PurpleJuly.1995
'Molten Brass'Goodenough, RickLargeDark-GreenStreakedYellowUnknownNear-WhiteJuly--NR--
'Moon Monster'Lachman, Wm & Eleanor & Walek, KevinLargeBlue/Green--Unknown-June into July.2009
'Moon Moth'Seaver, Mildred----Unknown----NR--
'Moon River'Lachman, Wm & EleanorSmallBlue/GreenMarginalWhiteUnknownPale-LavenderJune into July.1991
'Motley Crew'Goodenough, Rick----Hybrid----NR--
'Mount Hampshire'Lachman, Wm & EleanorLargeMed-GreenMarginalWhiteUnknown----NR--
'Mount Holyoke'Lachman, Wm & Eleanor & Walek, KevinMediumMed-GreenMarginalYellowHybridNear-WhiteJuly.2009
'Mount Tom'Lachman, Wm & EleanorLargeBlue/GreenMarginalWhiteHybridNear-WhiteJuly.1995
'Muriel Seaver Brown'Seaver, MildredLargeBlue/Green--HybridPale-LavenderJune into July.1984

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