| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'Calico Cat' (Duback) | Duback, Robyn & Lydell, Ran | Medium | Blue/Green | Streaked | Speckles | Unknown | - | - | --NR-- |
|
2
| 'Casablanca' | Janssen, Bill | Large | Dark-Green | Marginal | White | Unknown | - | - | --NR-- |
|
3
| 'Cojocabana' | Janssen, Bill | Medium | Dark-Green | Streaked | Yellow | Unknown | - | July | --NR-- |
|
4
| 'Collector's Banner' | Janssen, Bill | Medium | Yellow | Marginal | Green | Sport | Pale-Lavender | July | --NR-- |
|
5
| 'Collector's Choice' | Janssen, Bill & Walek, Kevin & The American Hosta Society | Small | Med-Green | | - | Unknown | Light-Purple | July | .2009 |
|
6
| 'Collector's Dream' | Janssen, Bill | Large | Blue/Green | | - | Sport | Near-White | June into July | --NR-- |
|
7
| 'Collector's Gold' | Janssen, Bill | Large | Yellow | | - | Unknown | - | - | --NR-- |
|
8
| 'Collector's Wall Street' | Janssen, Bill | Small | Dark-Green | | - | Unknown | - | - | --NR-- |
|
9
| 'Command Performance' (Janssen) | Janssen, Bill | Large | Dark-Green | Medial | White | Sport | Light-Purple | July | --NR-- |
|
10
| 'Cool Hand Luke' | Naylor Creek Nursery | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June into July | --NR-- |
|
11
| 'Crepe Soul' | Naylor Creek Nursery | Small | Med-Green | Marginal | Yellow | Hybrid | Med-Lavender | July | --NR-- |
|
12
| 'Crystal Blue Persuasion' | Naylor Creek Nursery | Miniature | Blue/Green | Medial | White | Unknown | | | --NR-- |
|
13
| 'Crystal Moon' | Tower, Alan | Medium | Light-Green | Marginal | Creamy White | Sport | Pure-White | August | .2002 |
|