| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Blood Root' | Medium | - | - | - | Unknown | - | - | Unknown | --NR-- |
|
2
| 'Blood, Sweat and Tears' | Small | Yellow | - | - | Hybrid | Pale-Lavender | July | Dean, Don | .2000 |
|
3
| 'Bloodline' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to September | Ruff, Doug | .2019 |
|
4
| 'Bloody Mary' | Large | Med-Green | - | - | Hybrid | Deep-Purple | August | Sugita, Hajime & Ruh, Peter | .1999 |
|
5
| 'Blue Blood' | - | Blue/Green | - | - | Unknown | - | - | Klose, Heinz | --NR-- |
|
6
| 'Dorset Blueblood' | Small | Blue/Green | - | - | Sport | Pale-Lavender | July | Zilis, Mark | --NR-- |
|
7
| 'Dragon's Blood' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | Sugita, Hajime & Ruh, Peter | .1998 |
|
8
| 'Honey Hill Blue Blood' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | August to September | Erb, Marsha Axmear | .2003 |
|