| Rosa 'I am Grateful' Floribundaros |
| Rosa 'Iceberg' Floribundaros |
| Rosa 'Ilona' Tehybridros |
| Rosa 'Ilse Krohn Superior' Kordesii-ros |
| Rosa 'Imperatrice Josephine' Francofurtana-ros |
| Rosa 'Ingrid Bergman' Tehybridros |
| Rosa 'Ispahan' Damascenerros |
| Rosa 'Jacques Cartier' Portlandros |
| Rosa 'Jens Munk' Rugosa-ros |
| Rosa 'John C.M. Mensing' Tehybridros |
| Rosa 'Jonkheer J.L. Mock' Tehybridros |
| Rosa 'Juanita' Tehybridros |
| Rosa 'Kaiserin Auguste Viktoria' Tehybridros |
| Rosa 'Kanegem' Tehybridros |
| Rosa 'Karlsruhe' Kordesiros |
| Rosa 'Kew Gardens' Modern buskros |
| Rosa 'Lady Hillingdon' Teros |
| Rosa 'Lady Silvia' Tehybridros |
| Rosa 'Leonardo Da Vinci' Floribundaros |
| Rosa 'Lichtkönigin Lucia' Modern buskros |
| Rosa 'Linnaeus' Modern buskros |
| Rosa 'Looking in Your Eyes' Floribundaros |
| Rosa 'Lorena' Rubiginosaros |
| Rosa 'Louis de Funes' Tehybridros |
| Rosa 'Louise Bugnet' Rugosaros |
| Rosa 'Louise Odier' Bourbonros |
| Rosa 'Lovely Fairy' Polyantharos |
| Rosa 'Lupo' |
| Rosa 'Lykkefund' Helenae-ros |
| Rosa 'Magic Avalanche+' Tehybridros |
| Rosa 'Magna Charta' Modern buskros |
| Rosa 'Maiden's Blush' Jungfruros |
| Rosa 'Maigold' Modern buskros |
| Rosa 'Major' Centifoliaros |
| Rosa 'Mamam Cochet' Teros |