| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Aachen' | Medium | Blue/Green | - | - | Hybrid | - | June into July | Malloy, Alex | .2005 |
|
2
| 'Aachen by Night' | Large | Blue/Green | | | Nat-Sport | Pale-Lavender | | Fransen, Marco & Fransen, Joyce | --NR-- |
|
3
| 'Bensheim' | Large | Med-Green | Streaked | Speckles | Sport | Pale-Lavender | July into August | Klose, Heinz | --NR-- |
|
4
| 'Black Forest' (Tompkins) | Large | Dark-Green | - | - | Unknown | Med-Lavender | - | Tompkins, Chet & Ruh, Peter | .2005 |
|
5
| 'Blonde's Gift' | - | - | - | - | Unknown | - | - | Jentsch, Klaus | --NR-- |
|
6
| 'Blue Angel' | Giant | Blue/Green | - | - | Hybrid | Pure-White | - | Shaw, Florence | .1986 |
|
7
| 'Blue Danube' | Small | Blue/Green | - | - | Unknown | Pale-Lavender | July | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
|
8
| 'Bluetonium' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Balitewicz, Bob | --NR-- |
|
9
| 'Bocka' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July | Squires, Keith & Ruh, Peter | .1999 |
|
10
| 'Bright Lights' | Medium | Yellow | Marginal | Blue-Green | Sport | Near-White | June into July | Unknown & Zilis, Mark | .2010 |
|
11
| 'Ems Pfeil' | Miniature | Blue/Green | - | - | Hybrid | - | June into July | Linnenschmidt, Martin | .2016 |
|
12
| 'Freising' | Small | Light-Green | - | - | Hybrid | Near-White | - | Mussel, Hermann & Klose, Heinz & Ruh, Peter | .2009 |
|
13
| 'Friesland' | Large | Blue/Green | - | - | Unknown | - | - | Knopnadel, Uwe | --NR-- |
|
14
| 'Hertha' | Small | Blue/Green | Marginal | Yellow | Hybrid | Light-Purple | July into August | Savory, Robert | .1988 |
|
15
| 'Lahn' | Small | Blue/Green | - | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
16
| 'Mosel' | Medium | Med-Green | - | - | Unknown | Med-Lavender | - | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
17
| 'October Fest' | Medium | Blue/Green | Marginal | Yellow | TC Sport | Light-Purple | June into July | Van den Top, Jan | --NR-- |
|
18
| 'Oder' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July into August | Klose, Heinz | --NR-- |
|
19
| 'Plaschken' | Small | Dark-Green | - | - | Sport | Light-Purple | July into August | Lokies, Martin | .2010 |
|
20
| 'Red Baron' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | - | Cross, Peter | .2001 |
|
21
| 'Rhein' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|