| Name? | Group? | Type? | Source? | Images? |
| 'Monsieur Claude Goyet' see 'Gloire de Claude Goyet' | Belgian Indian | evg |
Galle85 |
| 'Monsieur Desbois' | Ghent | dec |
Galle87 |
| 'Monsieur G. J. Bier' ('G. J. Bier', 'Mr. G. J. Bier') | Indian | evg |
IRRC04 |
| 'Monsieur Warocque' ('Arthur Warocque') | Indian | evg |
IRRC04 |
| 'Monstrosum' | Kaempferi | evg |
Galle85 |
| 'Montezuma' | Greenwood | evg |
Galle85 |
| 'Monticello' (HS 86-11-03) | Holly Springs | evg |
Vines90 |
| 'Montrose' | Intergroup | dec |
Galle85 |
| 'Montrose' | Kurume | evg |
Tingle57 |
| 'Monyo' | Satsuki | evg |
SatDict83 |
| 'Moonbeam' | Glenn Dale | evg | Galle85 | b |
| 'Moon Dreams' | Aromi | dec | Azalean25:2 | b |
| 'Moonglow' | Aus. & NZ | evg |
Galle85 |
| 'Moonlight' | Loblolly Bay | evg |
Galle85 |
| 'Moonlight Bay' | Carlson | dec |
Galle87 |
| 'Moonlight Becomes You' | Carlson | dec |
Galle87 |
| 'Moonlight Cocktail' | Carlson | dec |
Galle87 |
| 'Moonlight Rose' | Exbury | dec |
Galle85 |
| 'Moonlight Rose' | Girard | dec |
Galle85 |
| 'Moonlight Serenade' | Carlson | dec |
Galle87 |
| 'Moon Maiden' | Southern Indian | evg |
Galle85 |
| 'Moon Melons' | Carlson | dec |
Galle85 |
| 'Moonstone' | Glenn Dale | evg | Galle85 | b |
| 'Morava' | Czechoslovakian | evg |
Galle85 |
| 'Moresea' | Back Acres | evg |
Galle85 |
| 'Morgana' | Glenn Dale | evg |
Galle85 |
| 'Morgan Anne' (HS 84-16-53) | Holly Springs | evg |
Vines90 |
| 'Mori-no-miyako' | Satsuki | evg |
Galle85 |
| 'Morlin B. Bell' | Belgian Indian | evg |
Galle85 |
| 'Morning Fire' | Mauritsen | evg |
Galle87 |
| 'Morning Glow' | Kurume | evg |
Galle85 |
| 'Morning Glow' | Pericat | evg |
Galle85 |
| 'Morning Mist' | Intergroup | evg |
Galle87 |
| 'Morning Star' | Glenn Dale | evg | Galle85 | b |
| 'Morris Gold' | Intergroup | dec |
Galle85 |
| 'Mortierianum Genio' see 'Mortieri Genio' | Ghent | dec |
IRRC04 |
| 'Mortieri Genio' ('Genio Mortieri', 'Genus Mortieri', 'Mortierianum Genio', 'Mortieri Genius', 'Mortieri Ingenio') | Ghent | dec |
IRRC04 |
| 'Mortieri Genius' see 'Mortieri Genio' | Ghent | dec |
IRRC04 |
| 'Mortieri Ingenio' see 'Mortieri Genio' | Ghent | dec |
IRRC04 |
| 'Mortii' | Aus. & NZ | evg |
Galle85 |
| 'Moscou' | Belgian Indian | evg |
Galle85 |
| 'Mossieanum' | | evg |
Galle85 |
| 'Moss Point Late Salmon' | Southern Indian | evg |
Galle85 |
| 'Moss Point Red' see 'Triomphe de Lederberg' | Southern Indian | evg |
Galle85 |
| 'Mother of Pearl' | Glenn Dale | evg | Galle85 | b |
| 'Mother Pearl' | Rutherford | evg |
Galle85 |
| 'Mother's Day' ('Moederkesdag', 'Muttertag') | Kurume | evg | Galle85 | b |
| 'Motley' | Glenn Dale | evg | Galle85 | b |
| 'Moulin Rouge' | Aus. & NZ | evg |
Galle85 |
| 'Moulin Rouge' | Garrett Rainbow | evg |
Galle85 |
| moulmainense x simsii | | azd |
Galle85 |
| 'Mountain Creek White' | Lazy K | dec |
AmAz04 |
| 'Mountaineer' (HS 84-28-02) | Holly Springs | evg |
Vines90 |
| 'Mountain Gem' | Kiusianum | evg |
Galle85 |
| 'Mountain Laurel' | Kurume | evg |
Galle85 |
| 'Mount Baldy' see 'Nuccio's Mt. Baldy' | Nuccio | evg |
Steele03 |
| 'Mountebank' | Glenn Dale | evg | Galle85 | b |
| 'Mount Fuji' | Intergroup | evg |
Galle87 |
| 'Mount Saint Helen' see 'Girard's Mount Saint Helens' | Girard | dec |
Galle85 |
| 'Mount Seven Star' | Nakaharai | evg | Galle85 | p, b, b, b, t |
| 'Mozart' | Vuyk | evg |
Galle85 |
| 'Mr. Charles Vuylsteke' | Belgian Indian | evg |
Galle85 |
| 'Mr. D. Webster' | Mollis | dec |
Galle85 |
| 'Mr. G. J. Bier' see 'Monsieur G. J. Bier' | Indian | evg |
IRRC04 |
| 'Mr. Jean Peeters' | Belgian Indian | evg |
Galle85 |
| 'Mr. Millaut' | Belgian Indian | evg |
Galle85 |
| 'M. R. Mulford' | Pericat | evg |
Galle85 |
| 'Mrs. A. E. Endtz' | Mollis | dec |
Galle85 |
| 'Mrs. Alice W. Mueller' | Rutherford | evg |
Galle85 |
| 'Mrs. Anne G. Pennington' | Pennington | evg | Galle85 | b |
| 'Mrs. Anthony Waterer' | Knap Hill | dec |
Galle85 |
| 'Mrs. Anthony Waterer' | Occidentale | dec |
Galle85 |
| 'Mrs. Arthur Rogers' (3505, 'Helen Rogers') | Schroeder | evg |
Galle87 |
| 'Mrs. Bertha Crawford' | Garrett Rainbow | evg |
Galle85 |
| 'Mrs. Betty Oliver' | | dec |
Galle87 |
| 'Mrs. Carmichael' | Amoena | evg |
Galle85 |
| 'Mrs. C. C. Miller' | Intergroup | evg |
Galle85 |
| 'Mrs. C. C. Page' | Mollis | dec |
Galle87 |
| 'Mrs. Chas. O. Phillips' | Belgian Indian | evg |
Galle85 |
| 'Mrs. Cribbs' | Pride | evg |
Galle87 |
| 'Mrs. Damfus' | Aus. & NZ | evg |
Galle85 |
| 'Mrs. Emil Hager' ('Betty Hager', U14-5) | Robin Hill | evg |
Galle85 |
| 'Mrs. Emma Greentree' | Aus. & NZ | evg |
Galle85 |
| 'Mrs. Emma Jones' | Garrett Rainbow | evg |
Galle85 |
| 'Mrs. Fisher' | Pericat | evg |
Galle85 |
| 'Mrs. F. L. Atkins' | Rutherford | evg |
Galle85 |
| 'Mrs. Frederick Sanders' ('Fred Sanders') | Belgian Indian | evg |
Galle85 |
| 'Mrs. Frederick Sanders' ('Fred Sanders') | Southern Indian | evg |
Galle85 |
| 'Mrs. G. C. White' | Rutherford | evg |
Galle85 |
| 'Mrs. G. G. Gerbing' | Southern Indian | evg |
Galle85 |
| 'Mrs. Gomer Waterer' | Knap Hill | dec |
Galle85 |
| 'Mrs. G. van Noordt' see 'Mevrouw G. van Noordt' | Mollis | dec |
Galle85 |
| 'Mrs. Harry Van De Ven' | Aus. & NZ | evg |
Galle85 |
| 'Mrs. Harry White' | Ghent | dec |
Galle85 |
| 'Mrs. H. den Ouden' | Mollis | dec |
Galle85 |
| 'Mrs. Helen Koster' ('Helen Koster') | Mollis | dec |
Galle85 |
| 'Mrs. Henry Hohman' | Intergroup | evg |
Galle85 |
| 'Mrs. Henry Schroeder' (3705) | Schroeder | evg |
Galle87 |
| 'Mrs. Hill's Flaming Mame' see 'Flaming Mamie' | North Tisbury | evg |
IRRC04 |
| 'Mrs. Hill's Flaming Mamie' see 'Flaming Mamie' | North Tisbury | evg |
IRRC04 |
| 'Mrs. J. D. Eisele' | Rutherford | evg |
Galle85 |
| 'Mrs. J. Dijkhuis' | Mollis | dec |
Galle85 |
| 'Mrs. John Russell' | Mollis | dec |
Galle85 |
| 'Mrs. John Ward' see 'Orange Delight' | Aus. & NZ | evg |
Galle85 |
| 'Mrs. John Wilson' | Pride | evg |
Galle87 |
| 'Mrs. J. Patterson' | Mollis | dec |
Galle87 |
| 'Mrs. June Rink' | Schroeder | evg |
Steele03 |
| 'Mrs. J. Ward' | Satsuki | evg |
Nuccio02 |
| 'Mrs. K's Layered Pink' | | evg | EastFork99 | s |
| 'Mrs. K's Lilac' | | evg | EastFork99 | b |
| 'Mrs. LBJ' | Intergroup | evg |
Galle85 |
| 'Mrs. L. C. Fischer' | Bobbink-Atkins | evg |
Galle85 |
| 'Mrs. Lee Woodworth' | Carlson | evg |
Steele03 |
| 'Mrs. L. J. Comer' | Intergroup | evg |
Galle85 |
| 'Mrs. L. J. Endtz' | Mollis | dec |
Galle85 |
| 'Mrs. Mary Schroeder' (3705) | Schroeder | evg |
Galle87 |
| 'Mrs. Mildred Kinder' | Schroeder | evg |
Galle87 |
| 'Mrs. Morland' see 'Laura Morland' | Robin Hill | evg |
Galle85 |
| 'Mrs. Nancy Dippel' see 'Mrs. Nancy Dipple' | Schroeder | evg |
Steele03 |
| 'Mrs. Nancy Dipple' (3835) | Schroeder | evg |
Galle87 |
| 'Mrs. Norman Luff' | Mollis | dec |
Galle85 |
| 'Mrs. Oliver Slocock' | Mollis | dec |
Galle85 |
| 'Mrs. Oosthoek' | Mollis | dec |
Galle87 |
| 'Mrs. Paul Brandt' | Pride | evg |
Galle85 |
| 'Mrs. Peter Koster' | Mollis | dec |
Galle85 |
| 'Mrs. P. F. Smith' | Southern Indian | evg |
Galle85 |
| 'Mrs. Ralph Pennington' | Pennington | evg | Galle85 | b |
| 'Mrs. Roosevelt' ('Day Break') | Indian | evg |
IRRC04 |
| 'Mrs. Turner' see 'Dame Melanie' | Indian | evg |
IRRC04 |
| 'Mrs. T. Wezelenburg' | Mollis | dec |
Galle87 |
| 'Mrs. Van Der Ven' | Aus. & NZ | evg |
Galle85 |
| 'Mrs. Villars' (T23-10) | Robin Hill | evg |
Galle85 |
| 'Mrs. Vuyk van Nes' see 'Chopin' | Vuyk | evg |
Galle85 |
| 'Mrs. Walker' | Southern Indian | evg |
Galle85 |
| 'Mrs. Walter' | Mollis | dec |
Galle85 |
| 'Mrs. Webster' (3028) | Greenwood | evg |
Galle87 |
| 'Mrs. Wery' see 'Addy Wery' | Kurume | evg |
Galle85 |
| 'Mrs. Whitelegg' | Mollis | dec |
Galle87 |
| 'Mrs. Will Paterson' | Mollis | dec |
Galle85 |
| 'Mrs. Wm. Urie' | Mollis | dec |
Galle87 |
| 'Mrs. W. R. Coe' | Rutherford | evg |
Galle85 |
| 'Mrs. Wright' | Aus. & NZ | evg |
Galle85 |
| 'Mt. Adams' | Greenwood | evg | Galle85 | t |
| Mt. Amagi Azalea see amagianum | Species | dec |
Galle85 |
| 'Mt. Baldy' see 'Nuccio's Mt. Baldy' | Nuccio | evg |
Nuccio02 |
| 'Mt. Rainier' | | dec |
Roslyn95 |
| Mt. Red Azalea see mariesii | Species | dec |
Galle85 |
| 'Mt. Shasta' | Kerrigan | evg |
Galle85 |
| 'Mucronatum' | Southern Indian | evg |
Galle85 |
| 'Mucronatum' ('Indica Alba', indica var. alba , 'Indica Rosea', 'Indicum Album', 'Indicum Roseum', 'Jedogawa Tsutsuji', 'Ledifolia Alba', ledifolia var. alba , rosmarinifolium) | Species | evg |
Galle85 |
| 'Mucronatum Pastel' | Southern Indian | evg |
Galle85 |
| 'Mucronatum Rosea' | Southern Indian | evg |
Galle85 |
| 'Muezzin' | Coolidge | evg |
Galle85 |
| 'Muffett' ('General Wavell var. Muffett') | Satsuki | evg |
Galle87 |
| 'Muffineer' ('General Wavell var. Muffineer') | Satsuki | evg |
Galle87 |
| 'Multatuli' | Mollis | dec |
Galle85 |
| 'Multiflora' see 'Multiflorum' | Arononense | evg |
Galle85 |
| 'Multiflora' | Mollis | dec |
Galle87 |
| 'Multiflorum' ('Multiflora') | Arononense | evg |
Galle85 |
| 'Multiflorum' | Intergroup | evg |
Galle85 |
| 'Multnomah' | Occidentale | dec |
Galle85 |
| 'Munchkin' | Poukhanense | evg |
Galle85 |
| 'Murakumo-no-tsuki' | Satsuki | evg |
SatDict97 |
| 'Murasakibojo' | Satsuki | evg |
SatDict97 |
| 'Murasaki Botan' see 'Fuji-manyo' | Mucronatum | evg |
Galle85 |
| 'Murasaki-botan' see 'Fuji-manyo' | Mucronatum | evg |
IRRC04 |
| 'Murasaki Fuji' | Satsuki | evg |
Galle85 |
| 'Murasakihime' | Satsuki | evg |
SatDict97 |
| 'Murasakikomachi' | Satsuki | evg |
SatDict97 |
| 'Murasaki-no-hoshi' | Satsuki | evg |
Galle85 |
| 'Murasaki Ryukyu Rosea' ('Sekidera') | Aus. & NZ | evg |
Galle85 |
| 'Murasaki Shikibu' | Kiusianum | evg |
Galle85 |
| 'Murasakishikibu' | Satsuki | evg |
SatDict97 |
| 'Murasame' | Kurume | evg |
Galle85 |
| 'Muriel' | Sander | evg |
Galle85 |
| 'Murrillo' | Rustica Flora Pleno | dec |
Galle85 |
| 'Murusaki-no-hoshi' | Satsuki | evg |
Galle85 |
| 'Musashino' | Satsuki | evg |
Galle85 |
| 'Musashi-no-homare' | Satsuki | evg |
Galle85 |
| 'Muscadine' | Glenn Dale | evg | Galle85 | b |
| 'Musette' | EX-Kern | dec |
Galle85 |
| 'Mushashi' | Satsuki | evg |
SatDict97 |
| 'Musical' | Hager | evg |
Galle85 |
| 'Muttertag' see 'Mother's Day' | Kurume | evg |
Galle85 |
| 'Myeena' | Occidentale | dec |
Galle85 |
| 'My Fair Lady' ('California Beauty') | Indian | evg |
IRRC04 |
| 'My Mary' | Beasley | dec | Galle85 | s, o |
| 'My Mother's Day' | Aus. & NZ | evg |
Galle85 |
| 'My Myrtle' | | evg |
Steele03 |
| 'Myo 1' | | evg |
Steele03 |
| 'My-O' see 'Irresistible' | Kurume | evg |
Galle87 |
| 'Myocho' | Satsuki | evg |
Galle85 |
| 'Myogi' | Satsuki | evg |
Galle85 |
| 'Myojo' | Satsuki | evg |
Galle85 |
| 'Myoken' | Hirado | evg |
Galle85 |
| 'Myoshino' ('Koshin') | Tsutsuji | evg |
IRRC04 |
| 'Myosotis' | Kaempferi | evg |
Galle85 |
| 'Myriam De Meyer' | Belgian Indian | evg |
Galle85 |
| Myrsine-leaved Azalea see myrsinifolium | Species | evg |
Galle85 |
| myrsinifolium ('Tieziye Dujuan', Myrsine-leaved Azalea) | Species | evg |
Galle85 |
| 'Myrtle De Friel' | Griswold | evg | Galle85 | b |
| 'Myrtle Leaf' | Stanton | evg |
Galle85 |
| 'Mysik' see 'Boubin' | Jelinek | evg |
IRRC04 |
| 'Mystery' | Loblolly Bay | evg |
Galle85 |
| 'My Valentine' | Brooks | evg |
Galle85 |
| naamkwanense ('Nan-kun-dujuan', Nankun Azalea) | Species | evg |
Galle85 |
| 'Nachi-no-tsuki' | Satsuki | evg | Galle85 | s |
| 'Nacooche' see 'Nacoochee Princess' | Beasley | dec |
Galle85 |
| 'Nacoochee' see 'Nacoochee Princess' | Beasley | dec |
RareFind04 |
| 'Nacoochee Princess' | Beasley | dec |
ASAC01 |
| 'Nadine' | Pride | evg |
Galle85 |
| 'Nagisa' | Satsuki | evg |
SatDict97 |
| 'Nagisa-no-haru' | Satsuki | evg |
SatDict97 |
| 'Nagisa-no-tsuki' | Satsuki | evg |
SatDict97 |
| nakaharai | Species | evg |
Galle85 |
| nakaharai Witches Broom | Species | evg |
Steele03 |
| 'Nakahara-no-tsuki' | Satsuki | evg |
SatDict97 |
| 'Nakano Nishiki' | Satsuki | evg |
Galle85 |
| 'Naka-no-tsuki' | Satsuki | evg |
SatDict97 |
| 'Nakatsu-no-hikari' | Satsuki | evg |
Galle85 |
| 'Nambucca Princess' | Intergroup | evg |
Galle87 |
| 'Nami' | Satsuki | evg | Galle85 | s |
| 'Namichidori' | Satsuki | evg |
SatDict97 |