| Cultivar | Group | Type | Hardy | Color | Bloom Time | |
|---|---|---|---|---|---|---|
|
I'll Be Damned | Hager | evg | -20 F | Midseason | |
| ‘Ichiro’ | Satsuki | evg | ||||
| Ida Bradour | Gable | elp | -10° F | Green,Pink-Light,Purple,Yellow | Late Midseason | |
| ‘Ikoma’ | Satsuki | evg | Zone 7 | |||
|
Illusion | Glenn Dale | evg | |||
| Ima-shojo (Christmas Cheer)
(Fascination, Wilson #36) | Kurume | evg | ||||
| ‘Imamurasaki’ | Kurume | evg | Zone 7 | |||
| Impression | TBD | elp | ||||
|
Inch
(Seedling #84-4-5) | Bowie Mill | evg | Pink,Purple,White | ||
| ‘Indian Summer’ | Gable | evg | ||||
| Inner Glow | Doppel | elp | -10°F | Green,Purple,Red,Yellow | Midseason | |
|
Irene Cook | Greenwood | evg | |||
| Irene Koster | Ghent | dec | -20 F | |||
| Irohayama
aka:[Dainty] | Kurume | evg | Zone 7, at least | Early Midseason | ||
| ‘Irresistible’
aka:['My-O'] | Kurume | evg | ||||
|
‘Isabella Maria’ | Klimavicz | evg | Zone 7 | Purple,White | Midseason |
|
‘Ishiyama’ | Satsuki | evg | Zone 7 | Late Midseason | |
|
‘Isochodori’ | Satsuki | evg | Zone 7 | ||
|
Isolde | Glenn Dale | evg | Red | Midseason | |
|
‘Issho-no-Haru’
(Haisai) | Satsuki | evg | Zone 7 | Very Late | |
|
‘Issho-no-Haru’ (Akamuji) | Satsuki | evg | Zone 7 | Very Late | |
| ‘Issho-no-Hikari’ | Satsuki | evg | ||||
| ‘Itsukushima’ | Kurume | evg | ||||
|
‘Itten’ #2
(NA 45410) | Kurume | evg | Zone 7 | Pink,Purple,White | Early Midseason |
|
Itty Bitty | Bowie Mill | evg | |||
|
‘Ivan Anderson’ | Back Acres | evg | Purple,Rose,White | ||
|
‘Iveryanum’ | California Form | evg | |||
|
‘Iveryanum Silver’ | Southern Indian | evg | White | ||
|
Ivory | Glenn Dale | evg | Hardy to -5F/Zone 7 | ||
|
‘Iwai-no-Tsuki’ | Satsuki | evg | Zone 7 | Very Late | |
|
‘Iwatokagami’ | Kurume | evg | |||
|
‘Izayoi’ | Satsuki | evg | Zone 7 | Late | |
|
‘Izumi’
(Fountain of Spring) | Satsuki | evg | Zone 7 | Late | |
|
Izumigawa | Kurume | evg | Hardy to -5 F/Zone 7, at least | ||
| Cultivar | Group | Type | Hardy | Color | Bloom Time |