| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Capricorn' | Large | Blue/Green | - | - | Hybrid | - | June into July | Husemann, Jim | .2009 |
|
2
| 'Cardiac' | Large | Blue/Green | - | - | Unknown | - | - | Asch, Stuart | --NR-- |
|
3
| 'Celtic Bouquet' | Large | Med-Green | - | - | Hybrid | - | June into July | Dean, Don | .2011 |
|
4
| 'Chances Are' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Tompkins, Chet & Walek, Kevin & The American Hosta Society | .2009 |
|
5
| 'Chichibun' | Small | Med-Green | Streaked | Yellow | Nat-Sport | Light-Purple | August to September | Unknown | --NR-- |
|
6
| 'Chimney Rock' | - | Dark-Green | Streaked | White | Hybrid | Med-Lavender | June into July | Kuenster, Rod | .2010 |
|
7
| 'Chorus Girl' | Medium | Yellow | - | - | Hybrid | Near-White | June into July | Beilstein, Doug & Beilstein, Mardy | .2013 |
|
8
| 'Clap Your Hands' | Large | Blue/Green | - | - | Hybrid | Pure-White | June into July | Dalton, Jim & Dalton, Meg | .2012 |
|
9
| 'Clean Shave' | Medium | Med-Green | Marginal | White | Sport | Med-Lavender | July into August | Lysne, Rod | .2019 |
|
10
| 'Clouded Skies' | Medium | Blue/Green | - | - | Hybrid | Med-Lavender | July into August | Avent, Tony | .2007 |
|
11
| 'Coach Millboy Miller' | Medium | Dark-Green | Streaked | Yellow | Unknown | Pale-Lavender | July into August | Freeman, Frank | .2012 |
|
12
| 'Coal Black' | Medium | Dark-Green | - | - | Unknown | Pale-Lavender | July into August | Schwarz, Jim | .2015 |
|
13
| 'Code Blue' | Medium | Blue/Green | | | Hybrid | | | Ziarek, Ken | --NR-- |
|
14
| 'Cohasset Harbormaster' | Large | Blue/Green | Streaked | Yellow | Hybrid | - | - | Goodenough, Rick | --NR-- |
|
15
| 'Colesburg Frogger' | Large | Med-Green | - | - | Unknown | - | - | Hackbarth, Robert | --NR-- |
|
16
| 'Color Design' | Medium | Dark-Green | Medial | White | Unknown | | | Van den Top, Jan | --NR-- |
|
17
| 'Cookie Monster' | Large | Yellow | - | - | Hybrid | - | - | Kuk, Bob | --NR-- |
|
18
| 'Cornerstone' | Giant | Blue/Green | - | - | Hybrid | Near-White | July | Hanna, Clarence | .2013 |
|
19
| 'Cosmic Baby' | Large | Dark-Green | Streaked | Yellow | Hybrid | - | June into July | Kuenster, Rod | .2008 |
|
20
| 'Cosmic Beer Brat' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | July into August | Kuenster,Rod | .2021 |
|
21
| 'Cosmic Delight' | Large | Light-Green | Streaked | White | Hybrid | Med-Lavender | June into July | Kuenster, Rod | .2010 |
|
22
| 'Cosmic Exceptional' | Large | Blue/Green | Streaked | Yellow | Hybrid | Med-Lavender | July into August | Kuenster, Rod | .2019 |
|
23
| 'Cosmic Flash' | Large | Dark-Green | Streaked | White | TC Sport | - | July into August | Kuenster, Rod | .2010 |
|
24
| 'Cosmic Hot Mama' | Large | Med-Green | Streaked | White | Hybrid | Near-White | June into July | Kuenster, Rod | .2011 |
|
25
| 'Cosmic Infatuation' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | July into August | Kuenster, Rod | .2019 |
|
26
| 'Cosmic Journey' | Medium | Dark-Green | Streaked | Speckles | Hybrid | Med-Lavender | June into July | Kuenster, Rod | .2010 |
|
27
| 'Cosmic Kid' | Large | Dark-Green | Streaked | White | Hybrid | - | June into July | Kuenster, Rod | .2008 |
|
28
| 'Cosmic Lady' | Medium | Med-Green | Streaked | White | Hybrid | - | June into July | Kuenster, Rod | .2010 |
|
29
| 'Cosmic Mad Scientist' | Large | Blue/Green | Streaked | Yellow | Hybrid | Near-White | - | Kuenster, Rod | .2012 |
|
30
| 'Cosmic Paint Shaker' | Large | Blue/Green | Streaked | Yellow | Hybrid | Near-White | June into July | Kuenster, Rod | .2012 |
|
31
| 'Cosmic Prize' | Large | Dark-Green | Streaked | White | Hybrid | - | June into July | Kuenster, Rod | .2010 |
|
32
| 'Cosmic Sensation' | Large | Med-Green | Streaked | Yellow | Hybrid | - | June into July | Kuenster, Rod | .2010 |
|
33
| 'Country Candied Confection' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | August | Dean, Don | .2020 |
|
34
| 'Country Confessions' | Large | Yellow | Medial | Green | Sport | Near-White | June into July | Spece, Josh | .2020 |
|
35
| 'Country Corn' | Large | Yellow | - | - | Unknown | Near-White | July | Dye, Kay | .2017 |
|
36
| 'Country Sun Drop' | Medium | Yellow | - | - | Unknown | Light-Purple | July into August | Spece, Josh | .2020 |
|
37
| 'County Park' | Small | Med-Green | - | - | Hybrid | Near-White | July | Grounds, Roger & Hutchins, Graham | .1983 |
|
38
| 'Creature from the Black Lagoon' | Medium | Dark-Green | | | Hybrid | Pure-White | July | Beistein, Doug | .2022 |
|
39
| 'Creek' | Medium | Blue/Green | - | - | Hybrid | Pure-White | June | Wade, Van | .2007 |
|
40
| 'Crickett's Mountain Mist' | Large | Blue/Green | Streaked | White | Sport | Pale-Lavender | July into August | Bailey, Crickett | .2017 |
|
41
| 'Crinkled Joy' | Large | Blue/Green | - | - | Unknown | Near-White | July | Unknown | --NR-- |
|
42
| 'Crocodile Queen' | Large | Dark-Green | Marginal | White | Sport | Pale-Lavender | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|
43
| 'Cum Laude' | Large | Blue/Green | | | Hybrid | | | Lysne, Rod | --NR-- |
|
44
| 'Curmudgeon' | Medium | Med-Green | - | - | Unknown | - | June into July | Brown, Sandy | .2010 |
|
45
| 'Cute Little Delores' | Small | Yellow | - | - | Unknown | - | July into August | Freeman, Franc | .2009 |
|
46
| 'Cyclops' (Soucek) | Giant | Blue/Green | - | - | Unknown | Near-White | July into August | Soucek, Rachel | .2005 |
|