| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'Carol's August Halo' | Brashear, Carol | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July | --NR-- |
|
2
| 'Carrie Ann' | Stone, David & Ruh, Peter | Small | Blue/Green | Marginal | White | Unknown | Pure-White | August | .1988 |
|
3
| 'Carried Away' | Meyer, Bill | Small | Med-Green | Marginal | Yellow | Unknown | Unknown | - | --NR-- |
|
4
| 'Cat in the Hat' | Sisson, Kathie | Giant | Med-Green | Medial | Yellow | Sport | Unknown | - | --NR-- |
|
5
| 'Cherry Tart' | Scheer, Alttara | Small | Yellow | | - | Unknown | Light-Purple | August | --NR-- |
|
6
| 'China Girl' | Scheer, Alttara | Small | Med-Green | | - | Hybrid | Pale-Lavender | - | --NR-- |
|
7
| 'Christmas Party' | Meyer, Bill & Brashear, Carol | - | Unknown | | - | Unknown | Unknown | - | --NR-- |
|
8
| 'Cold Heart' | Scheer, Alttara & The American Hosta Society | Large | Light-Green | | - | Unknown | Pale-Lavender | June into July | .2019 |
|
9
| 'Cranberry Wine' | Sisson, Kathie | Small | Light-Green | | - | Hybrid | Unknown | - | --NR-- |
|
10
| 'Creme Caramel' | Meyer, Bill & Brashear, Carol | - | Unknown | | - | Unknown | Unknown | - | --NR-- |
|
11
| 'Curley' | O'Brien, John | Miniature | Med-Green | | - | Sport | Med-Lavender | August | --NR-- |
|