| No. | Cultivar Name | Type of Origin | Pod or Sport Parent | x Pollen Parent | Source | - - Background Information - - |
|
1
| 'Bill Modrak' | Hybrid | 'Regal Rhubarb' | Unknown | Zolock, Steve & Zolock, Sarah | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
2
| 'Harry Torbert' | Hybrid | 'Regal Rhubarb' | Unknown | Zolock, Steve & Zolock, Sarah | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
3
| 'John Arva' | Hybrid | 'Regal Rhubarb' | Unknown | Zolock, Steve & Zolock, Sarah | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
4
| 'Little Miss Sunshine' | Hybrid | 'Regal Rhubarb' | 'Ogon Koba' | Bergeron, Amy | (GENETIC BACKGROUND) 'Regal Rhubarb', Hosta sieboldii |
|
5
| 'Old Faithful' | Hybrid | Hosta plantaginea | 'Regal Rhubarb' | Brincka, Wm & Petryszyn, 0lga | (GENETIC BACKGROUND) Hosta plantaginea, 'Regal Rhubarb' ++(SIMILAR.HOSTAS) 'Flower Power' |
|
6
| 'Regal Rhubarb' | Unknown | - | - | Sellers, Van | (SIMILAR.HOSTAS) 'Old Faithful' |
|
7
| 'Rhubarb Pie' | Sport | 'Regal Rhubarb' | - | Johnson, Irwin | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
8
| 'Royal Purple' | Hybrid | 'Regal Rhubarb' | Unknown | Wrede, Arthur | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
9
| 'Royal Regal Rhubarb' | Sport | 'Regal Rhubarb' | - | Benedict, Dr Ralph (Herb) | (GENETIC BACKGROUND) 'Regal Rhubarb' |
|
10
| 'Royal Rhubarb' | Hybrid | 'Regal Rhubarb' | Unknown | Pallone, D. & Ruh, Peter & Ruh, Jean | (GENETIC BACKGROUND) 'Regal Rhubarb' |