| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Carved Complexity' | Large | Yellow | | - | Hybrid | Near-White | June into July | McDonell, Harold | .2014 |
|
2
| 'Cease Fire' | Large | Blue/Green | Marginal | White | TC Sport | Pale-Lavender | July into August | Schwarz, Jim & Schwarz, Karen & Zilis, Mark | .2014 |
|
3
| 'Charles' | Giant | Dark-Green | | - | Sport | Pale-Lavender | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|
4
| 'Chocolate Mint' | Small | Dark-Green | | - | Sport | Light-Purple | August September October | Schwarz, Karen & Zilis, Mark | .2014 |
|
5
| 'Chris' | Large | Yellow | | - | Unknown | Unknown | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|
6
| 'City Dog' | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | June into July | Van Eechaute, Danny | .2014 |
|
7
| 'Coast to Coast' | Giant | Light-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Petryszyn, Olga | .2014 |
|
8
| 'Colin P. Cleghorn' | Medium | Med-Green | Medial | White | Unknown | Pale-Lavender | July into August | Chamberlain, Steve | .2014 |
|
9
| 'Colors in Motion' | Giant | Blue/Green | Streaked | White | Hybrid | Pale-Lavender | June into July | de Rooij, Piet | .2014 |
|
10
| 'Cosmic Eye Candy' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2014 |
|
11
| 'Cosmic Patchwork' | Medium | Med-Green | Streaked | Yellow | Hybrid | Near-White | June into July | Kuenster, Rod | .2014 |
|
12
| 'Cosmic Warrior' | Medium | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2014 |
|
13
| 'Crinkled Leather' | Large | Blue/Green | | - | Hybrid | Pale-Lavender | July into August | Dean, Don | .2014 |
|
14
| 'Crocodile Queen' | Large | Dark-Green | Marginal | White | Sport | Pale-Lavender | June into July | Schwarz, Jim & Schwarz, Karen | .2014 |
|