| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Cair Paravel' | Large | Yellow-Gold | - | - | Hybrid | Pale-Lavender | July | Lysne, Rod | .2021 |
|
2
| 'Calypso' | Small | Blue/Green | Marginal | White | Hybrid | Light-Purple | July into August | Lachman, Wm & Lachman, Eleanor | .1987 |
|
3
| 'Candy Box' | Small | Med-Green | Medial | White | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | .2011 |
|
4
| 'Capricorn' | Large | Blue/Green | - | - | Hybrid | - | June into July | Husemann, Jim | .2009 |
|
5
| 'Catherine the Great' | Medium | Light-Green | - | - | Unknown | Pale-Lavender | July into August | Goodwin, Randy | .2019 |
|
6
| 'Cemetery Road' | Large | Med-Green | Streaked | White | Hybrid | Light-Purple | August to September | Kuenster, Rod | .2011 |
|
7
| 'Checkerboard II' | Large | Med-Green | - | - | Unknown | Pale-Lavender | July | Unknown & Walek, Kevin & The American Hosta Society | .2009 .2018 |
|
8
| 'Chili Fries' | Small | Dark-Green | Marginal | Yellow | Sport | Med-Lavender | August | Solberg, Robert | .2020 |
|
9
| 'Chocolate Ripple' | Large | Dark-Green | Streaked | Yellow | Hybrid | Near-White | July into August | Kuenster, Rod | .2008 |
|
10
| 'Chris' Yellow Love' | Small | Yellow | | | Unknown | | | Brinkmann, Christina | --NR-- |
|
11
| 'Christmas Cheer' | Large | Dark-Green | Marginal | White | Hybrid | Pale-Lavender | July | Beilstein, Doug & Beilstein, Mardy | .2018 |
|
12
| 'Chuck's Sweetheart' | Small | Med-Green | - | - | Unknown | Med-Lavender | - | Purtymun, Charles & Ruh, Peter & Ruh, Jean | .2009 |
|
13
| 'Coach Jim Brainerd' | Small | Light-Green | Streaked | White | Unknown | - | July into August | Freeman, Franc & Freeman, Sally | .2011 |
|
14
| 'Coach Paul Castro' | Medium | Med-Green | Streaked | Yellow | Hybrid | - | August to September | Freeman, Franc | .2010 |
|
15
| 'Coat of Many Colors' | Small | Dark-Green | Medial | White | Nat-Sport | Med-Lavender | July | Kwick, Charles | .2021 |
|
16
| 'Cobra's Lair' | Medium | Blue/Green | - | - | Hybrid | - | - | Philips, Hugo | .2010 |
|
17
| 'Colesburg Wiggles' | Medium | Med-Green | Marginal | Yellow | Unknown | Light-Purple | July into August | Hackbarth, Robert | .2015 |
|
18
| 'Color Riot' | Small | Med-Green | Medial | White | Hybrid | Pale-Lavender | June into July | Tompkins, Chet & Tompkins, Cynthia & Ruh, Peter | .2010 |
|
19
| 'Combined Elegance' | Medium | Yellow-Gold | - | - | Hybrid | Pale-Lavender | July into August | Kwick, Charles | .2019 |
|
20
| 'Commotion' | Medium | Yellow | | | Hybrid | Near-White | June | Wasitis, Chick | .2021 |
|
21
| 'Cornerstone' | Giant | Blue/Green | - | - | Hybrid | Near-White | July | Hanna, Clarence | .2013 |
|
22
| 'Cosmic Brew' | Large | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2010 |
|
23
| 'Cosmic Crocodile' | Large | Blue/Green | | | Hybrid | Pure-White | June into July | Kuenster,Rod | .2021 |
|
24
| 'Cosmic DNA' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Near-White | June into July | Kuenster, Rod | .2012 |
|
25
| 'Cosmic Eye Candy' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2014 |
|
26
| 'Cosmic Flash' | Large | Dark-Green | Streaked | White | TC Sport | - | July into August | Kuenster, Rod | .2010 |
|
27
| 'Cosmic Frosty' | Large | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | July into August | Kuenster, Rod | .2019 |
|
28
| 'Cosmic Fun' | Large | Med-Green | | | Hybrid | Near-White | June into July | Kuenster,Rod | .2021 |
|
29
| 'Cosmic Hot Mama' | Large | Med-Green | Streaked | White | Hybrid | Near-White | June into July | Kuenster, Rod | .2011 |
|
30
| 'Cosmic Journey' | Medium | Dark-Green | Streaked | Speckles | Hybrid | Med-Lavender | June into July | Kuenster, Rod | .2010 |
|
31
| 'Cosmic Joy' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2012 |
|
32
| 'Cosmic Memories' | Large | Med-Green | | | Hybrid | Pale-Lavender | June into July | Kuenster,Rod | .2021 |
|
33
| 'Cosmic Moon' | Large | Blue/Green | - | - | Hybrid | Near-White | July into August | Kuenster, Rod | .2015 |
|
34
| 'Cosmic Patchwork' | Medium | Med-Green | Streaked | Yellow | Hybrid | Near-White | June into July | Kuenster, Rod | .2014 |
|
35
| 'Cosmic Pulsar' | Medium | Med-Green | Medial | Yellow | Unknown | | | Kuenster,Rod | --NR-- |
|
36
| 'Cosmic Queen' | Medium | Light-Green | Streaked | White | Unknown | | | Kuenster,Rod | --NR-- |
|
37
| 'Cosmic Universe' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2019 |
|
38
| 'Cosmic Warrior' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2014 |
|
39
| 'Cosmic Wonder' | Large | Blue/Green | | | Hybrid | Pale-Lavender | July into August | Kuenster, Rod | .2021 |
|
40
| 'Costume Change' | Small | Dark-Green | | | Hybrid | Deep-Purple | July into August | Kwick, Charles | .2021 |
|
41
| 'Country Double Take' | Medium | Med-Green | Marginal | Yellow | Hybrid | Med-Lavender | August to September | Dean, Don | .2019 |
|
42
| 'Country River Rapids' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | August to September | Dean, Don | .2020 |
|
43
| 'Cowabunga' | Large | Light-Green | Marginal | White | Unknown | - | - | Asch, Stuart | .2010 |
|
44
| 'Cupid's Bow' | Small | Blue/Green | | - | Hybrid | Near-White | July | Bowe, Dave | .2020 |
|
45
| 'Cute as a Button' | Miniature | Med-Green | Medial | White | Unknown | Pale-Lavender | - | Goodwin, Randy | .2009 |
|
46
| 'Cutting Edge' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Benedict, Dr Ralph (Herb) & Gowen, Hideko | .1999 |
|