| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Blaue Venus' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
2
| 'Blaufink' | Large | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
3
| 'Blauglut' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
4
| 'Blaumeise' | Small | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
5
| 'Blauspecht' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
6
| 'Devon Blue' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Bowden, Roger & Bowden, Ann | .1988 |
|
7
| 'Fulda' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
8
| 'Fumiko' | Medium | Blue/Green | | - | Unknown | Med-Lavender | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
9
| 'Glockenspiel' | Small | Med-Green | | - | Unknown | Light-Purple | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
10
| 'Grunspecht' | Medium | Dark-Green | | - | Sport | Pale-Lavender | July | Klose, Heinz & Ruh, Peter | .2003 |
|
11
| 'Irische See' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | July | Klose, Heinz & Ruh, Peter | .1998 |
|
12
| 'Lahn' | Small | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
13
| 'Mosel' | Medium | Med-Green | | - | Unknown | Med-Lavender | - | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
14
| 'Naomi' | Small | Dark-Green | | - | Unknown | Unknown | July into August | Klose, Heinz & Ruh, Peter | .2006 |
|
15
| 'Nordatlantik' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | July | Smith, Eric & Ruh, Peter | .1997 |
|
16
| 'Oder' | Medium | Blue/Green | | - | Unknown | Med-Lavender | July into August | Klose, Heinz | --NR-- |
|
17
| 'Rhein' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
18
| 'Rosy' | Medium | Blue/Green | | - | Unknown | Unknown | - | Klose, Heinz | --NR-- |
|
19
| 'Silberpfeil' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | September | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
20
| 'Silverdale' | Medium | Blue/Green | | - | Unknown | Near-White | August | Kaye, Reginald & Klose, Heinz & Ruh, Peter | .2003 |
|
21
| 'Tomoko' | Medium | Blue/Green | | - | Unknown | Near-White | July | Klose, Heinz & Ruh, Peter | .2003 |
|
22
| 'Weser' | Medium | Blue/Green | | - | Unknown | Med-Lavender | August to September | Smith, Eric & Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|