| No. | Cultivar Name | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Capricorn' | Blue/Green | | - | Hybrid | Unknown | June into July | Husemann, Jim | .2009 |
|
2
| 'Charlotte's Web' | Med-Green | Streaked | Yellow | Sport | Light-Purple | July | Beilstein, Doug & Zilis, Mark | .2009 |
|
3
| 'Chi-Town Classic' | Med-Green | Marginal | White | Hybrid | Light-Purple | July | Zilis, Mark | .2009 |
|
4
| 'Chris' Little Watermelon' | Med-Green | | | Nat-Sport | Pale-Lavender | - | Brinkmann, Christina | --NR-- |
|
5
| 'City Dog' | Med-Green | Marginal | White | Sport | Pale-Lavender | June into July | Van Eechaute, Danny | .2014 |
|
6
| 'City Slicker' | Dark-Green | Marginal | White | Hybrid | Deep-Purple | August September October | Dishon, Jim | .1996 |
|
7
| 'Coal Miner' | Dark-Green | | - | Hybrid | Unknown | June into July | Petryszyn, Olga | .2010 |
|
8
| 'Cold Heart' | Light-Green | | - | Unknown | Pale-Lavender | June into July | Scheer, Alttara & The American Hosta Society | .2019 |
|
9
| 'Compadre' | Dark-Green | Medial | Yellow | Sport | Light-Purple | July into August | Ritchey, Allen | .2015 |
|
10
| 'Copa Cabana' | Yellow | | - | Hybrid | Pale-Lavender | July | Terpening, Kent | .2021 |
|
11
| 'Corona' (Braun-Nauerz) | Light-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Braun-Nauerz, Gaby & Warmerdam, Piet | .1996 |
|
12
| 'Cosmic Arrowhead' | Blue/Green | | | Unknown | Unknown | - | Kuenster, Rod | --NR-- |
|
13
| 'Costume Change' | Dark-Green | | | Hybrid | Deep-Purple | July into August | Kwick, Charles | .2021 |
|
14
| 'Count Dracula' | Dark-Green | | - | Unknown | Pale-Lavender | August to September | Crockett, Clyde | .1997 |
|
15
| 'Country Sun Drop' | Yellow | | - | Unknown | Light-Purple | July into August | Spece, Josh | .2020 |
|
16
| 'Cowboy Up' | Med-Green | | - | Unknown | Unknown | July into August | Freeman, Franc | .2011 |
|
17
| 'Curves' | Med-Green | Marginal | Yellow | Hybrid | Med-Lavender | July into August | Elslager, Ed | .2005 |
|
18
| 'Cynthia' | Blue/Green | Streaked | Speckles | Unknown | Near-White | July into August | Tompkins, Chet | .1984 |
|