Red
| Name | Flowers | Lowest Temp. | Height after 10 years | 20 Litre | 30 Litre | 45 Litre | 85 Litre | |
|---|---|---|---|---|---|---|---|---|
| Large Hybrid | ||||||||
| Black Magic | Red | May/Jun | -20°C | 1.2m |  | | ||
| Cary Ann | Red | Apr/May | -15°C | 1m | | | ||
| Fabia | Red | Apr/May | -15°C | 0.9m | | | ||
| Grenadier | Red | Jun/Jul | -15°C | 1.8m | | |||
| Halfdan Lem | Red | Apr/May | -20°C | 1.5m | | | ||
| Hussar | Red | Apr/May | -15°C | 1.2m | | |||
| Jean Marie de Montague | Red | Apr/May | -20°C | 1.5m | | |||
| Lord Roberts | Red | May/Jun | -20°C | 1.5m | | |||
| Markeeta's Prize | Red | Apr/May | -20°C | 1.5m | | | ||
| Mayday | Red | May/Jun | -10°C | 1.2m | | | ||
| Mayor Johnstone | Red | May/Jun | -20°C | 1m | | | ||
| Nicoline | Red | May/Jun | <-20°C | 1.2m | | |||
| Nova Zembla | Red | May/Jun | <-20°C | 1.5m | | |||
| Peter Koster | Red | May/Jun | -20°C | 1.5m | | | ||
| Romany Chal | Red | Jun/Jul | -15°C | 1.8m | | | ||
| Yakushimanum/Compact | ||||||||
| Amity | Red | Apr/May | -15°C | 0.9m | | |||
| Dopey | Red | May/Jun | -15°C | 0.9m | | |||
| Fantastica | Red | May/Jun | <-20°C | 0.9m | | |||
| Deciduous Azalea | ||||||||
| Fanal | Red | May/Jun | -20°C | 1m | | |||
| Fireball | Red | May/Jun | -20°C | 1.8m | | |||
| Rennie | Red | May/Jun | <-20°C | 1.5m | | |||
| Evergreen Azalea | ||||||||
| Beaver | Red | Jun/Jul | -15°C | 0.6m | | |||
| Galathea | Red | Jun/Jul | -20°C | 1m | | |||
| Hot Shot | Red | Jun/Jul | -20°C | 0.8m | | |||
| Mother's Day | Red | May/Jun | -20°C | 1.5m | | |||
| Squirrel | Red | Jun/Jul | -20°C | 0.6m | | |||
| Stewartsoniana | Red | Jun/Jul | -20°C | 1.1m | | |||
| Vuyk's Scarlet | Red | May/Jun | -20°C | 0.6m | | |||
