| Rosa 'Manning's Blush' Rubiginosa-ros |
| Rosa 'Marbrée' Portlandros |
| Rosa 'Marchesa Boccella' Portlandros |
| Rosa 'Marie-Claire' Tehybridros |
| Rosa 'Maritim' Tehybridros |
| Rosa 'Martin Frobisher' Rugosaros |
| Rosa 'Mary Washington' Noisette-ros |
| Rosa 'Max Graaf' Rugosaros |
| Rosa 'Max Krause' Rugosaros |
| Rosa 'Memoire' Tehybridros |
| Rosa 'Mercedes' Floribundaros |
| Rosa 'Mevrouw van Straaten van Nes' Floribundaros |
| Rosa 'Midnight Blue' |
| Rosa 'Minette' Jungfruros, Nordisk ros |
| Rosa 'Mme Abel Chatenay' Tehybridros |
| Rosa 'Mme Boll' Portlandros |
| Rosa 'Mme Butterfly' Tehybridros |
| Rosa 'Mme Caroline Testout' Tehybridros |
| Rosa 'Mme Hardy' Damascenerros |
| Rosa 'Mme Legras de St Germain' Jungfruros |
| Rosa 'Mme Maurice de Luze' Tehybridros |
| Rosa 'Mme Plantier' Jungfruros |
| Rosa 'Mme Victor Verdier' Remontantros |
| Rosa 'Mothersday' Miniatyrros, Polyantaros |
| Rosa 'Motrea' Floribundaros |
| Rosa 'Mozart' Moschataros |
| Rosa 'Mrs R. M. Finch' Polyantaros |
| Rosa 'Mrs. John Laing' Remontantros |
| Rosa 'Mutabilis' Kinaros |
| Rosa 'Naranga' Tehybridros |
| Rosa 'Nevada' Moyesiiros |
| Rosa 'New Dawn' Wichurana-ros |
| Rosa 'Nicole' Floribundaros |
| Rosa 'Noble Anthony' Modern buskros |
| Rosa 'Nostalgie' Tehybridros |