| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Calico Cat' (Ward) | Medium | Med-Green | Streaked | Yellow | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2015 |
|
2
| 'Candelabra' | Small | Blue/Green | | - | Unknown | Light-Purple | July into August | Benedict, Dr Ralph (Herb) & Walek, Kevin & The American Hosta Society | .2009 |
|
3
| 'Carpathian Green Fields' | Giant | Blue/Green | | | Unknown | Near-White | July into August | Zglenicka, Beata | .2022 |
|
4
| 'Champagne for All' | Medium | Dark-Green | Medial | White | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | .2015 |
|
5
| 'Charles' | Giant | Dark-Green | | - | Sport | Pale-Lavender | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|
6
| 'Cinnabon' | Medium | Light-Green | | | Hybrid | Light-Purple | August to September | Bowe, Dave | .2021 |
|
7
| 'Clap Your Hands' | Large | Blue/Green | | - | Hybrid | Pure-White | June into July | Dalton, Jim & Dalton, Meg | .2012 |
|
8
| 'Cloud Illusions' | Large | Med-Green | | | Hybrid | Deep-Purple | July into August | Dean, Don | .2022 |
|
9
| 'Coach Millboy Miller' | Medium | Dark-Green | Streaked | Yellow | Unknown | Pale-Lavender | July into August | Freeman, Frank | .2012 |
|
10
| 'Coal Black' | Medium | Dark-Green | | - | Unknown | Pale-Lavender | July into August | Schwarz, Jim | .2015 |
|
11
| 'Combined Elegance' | Medium | Yellow-Gold | | - | Hybrid | Pale-Lavender | July into August | Kwick, Charles | .2019 |
|
12
| 'Cosmic Joy' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2012 |
|
13
| 'Cosmic Little Devil' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | August | Kuenster, Rod | .2022 |
|
14
| 'Cosmic Reaction' | Large | Light-Green | Streaked | Yellow | Hybrid | Med-Lavender | June into July | Kuenster, Rod | .2012 |
|
15
| 'Costume Change' | Small | Dark-Green | | | Hybrid | Deep-Purple | July into August | Kwick, Charles | .2021 |
|
16
| 'Cotton Fluff' | Medium | Dark-Green | Marginal | White | Sport | Near-White | July into August | Vertz, Mary | .2020 |
|
17
| 'Country Dreaming' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | July | Dean, Don | .2013 |
|
18
| 'Country Flamethrower' | Medium | Yellow | | | Hybrid | Pale-Lavender | August | Dean, Don | .2022 |
|
19
| 'Country River Rapids' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | August to September | Dean, Don | .2020 |
|
20
| 'Creature from the Black Lagoon' | Medium | Dark-Green | | | Hybrid | Pure-White | July | Beistein, Doug | .2022 |
|
21
| 'Crème Brûlée' | Medium | Med-Green | Marginal | Yellow | Sport | Med-Lavender | July into August | Johnson, Greg | .2004 |
|
22
| 'Crinkled Leather' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | July into August | Dean, Don | .2014 |
|
23
| 'Cupid's Bow' | Small | Blue/Green | | - | Hybrid | Near-White | July | Bowe, Dave | .2020 |
|