Rhododendron
| Name | Flowers | Lowest Temp. | Height after 10 years | 20 Litre | 30 Litre | 45 Litre | 85 Litre | |
|---|---|---|---|---|---|---|---|---|
| Large Hybrid | ||||||||
| Albert Schweitzer | Pink | May/Jun | -20°C | 1.7m |  | |||
| Azzuro | Purple | May/Jun | -15°C | 1.2m | | |||
| Black Magic | Red | May/Jun | -20°C | 1.2m | | | ||
| Blue Peter | Mauve | Apr/May | -20°C | 1.4m | | |||
| Brasilia | Orange | May/Jun | -20°C | 1.3m | | |||
| Cary Ann | Red | Apr/May | -15°C | 1m | | | ||
| Christmas Cheer | Pink | Feb/Mar | <-20°C | 1.2m | | | ||
| Concorde | Mauve | May/Jun | <-20°C | 1.5m | | |||
| Cosmopolitan | Pink | May/Jun | -20°C | 1.5m | | | ||
| Cunningham's White | White | May/Jun | <-20°C | 1.2m | | | ||
| Delta | Pink | May/Jun | <-20°C | 1.75m | | | ||
| El Camino | Pink | Apr/May | -20°C | 2.1m | | |||
| Fabia | Red | Apr/May | -15°C | 0.9m | | | ||
| Fastuosum Flore Pleno | Mauve | May/Jun | <-20°C | 1.8m | | |||
| Germania | Pink | May/Jun | -20°C | 1.1m | | |||
| Goldflimmer | Mauve | May/Jun | -20°C | 1.1m | | | ||
| Gomer Waterer | White | May/Jun | <-20°C | 1.8m | | |||
| 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 | | |||
| Jalisco Elect | Yellow | May/Jun | -15°C | 1.2m | | | ||
| Jean Marie de Montague | Red | Apr/May | -20°C | 1.5m | | |||
| Kokardia | Mauve | May/Jun | -20°C | 1.5m | | |||
| Langworth | White | May/Jun | -20°C | 2m | | |||
| Lem's Monarch | Pink | May/Jun | -20°C | 1.8m | | |||
| Loder's White | White | Apr/May | -15°C | 1.5m | | |||
| Lord Roberts | Red | May/Jun | -20°C | 1.5m | | |||
| Madame Masson | White | Apr/May | -20°C | 1.5m | | |||
| Maharani | Pink | May/Jun | <-20°C | 1.4m | | | ||
| 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 | | | ||
| Mrs T Lowinsky | Mauve | Jun/Jul | <-20°C | 1.5m | | |||
| Nancy Evans | Yellow | Apr/May | -10°C | 0.9m | | | ||
| 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 | | | ||
| Phyllis Korn | White | Apr/May | -20°C | 1.5m | | |||
| Pink Pearl | Pink | Apr/May | -20°C | 1.8m | | |||
| Rasputin | Purple | May/Jun | <-20°C | 1.3m | | |||
| Robert Korn | White | May/Jun | <-20°C | 1.5m | | | ||
| Rocket | Pink | Apr/May | <-20°C | 1.5m | | |||
| Romany Chal | Red | Jun/Jul | -15°C | 1.8m | | | ||
| Sappho | White | Apr/May | -20°C | 1.8m | | |||
| Scintillation | Pink | Apr/May | -20°C | 1.5m | | |||
| September Song | Orange | May/Jun | -15°C | 1.2m | | |||
| Simona | Pink | May/Jun | <-20°C | 1.4m | | | ||
| Winsome | Pink | Apr/May | -15°C | 0.9m | | |||
| Yakushimanum/Compact | ||||||||
| Amity | Red | Apr/May | -15°C | 0.9m | | |||
| Buttermint | Yellow | Apr/May | -20°C | 0.9m | | |||
| Caroline Allbrook | Mauve | May/Jun | -20°C | 1.2m | | |||
| Centennial Celebration | Purple | Apr/May | -15°C | 0.6m | | |||
| Crete | White | May/Jun | <-20°C | 1.2m | | |||
| Dopey | Red | May/Jun | -15°C | 0.9m | | |||
| Dreamland | Pink | May/Jun | -20°C | 1.2m | | |||
| Fantastica | Red | May/Jun | <-20°C | 0.9m | | |||
| Golden Torch | Yellow | May/Jun | -15°C | 1.2m | | |||
| Hydon Dawn | Pink | May/Jun | -15°C | 0.9m | | |||
| Incense | White | May/Jun | -20°C | 0.9m | | |||
| Percy Wiseman | Pink | May/Jun | -15°C | 0.9m | | |||
| Pink Cherub | Pink | May/Jun | -15°C | 0.9m | | |||
| Sleepy | Mauve | May/Jun | <-20°C | 0.9m | | |||
| Sneezy | Pink | May/Jun | -20°C | 0.9m | | |||
| Vintage Rose | Pink | May/Jun | -15°C | 0.6m | | |||
| Wally Millar | Pink | May/Jun | -20°C | 0.8m | | |||
| Willbrit | Pink | May/Jun | -15°C | 1.1m | | |||
