| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'Yellow Comet' | Graves, Butch | Medium | Yellow | - | - | Hybrid | Light-Purple | June into July | .2008 |
|
2
| 'Yellow Eyes' | Ruh, Peter | Small | Yellow | - | - | Sport | Light-Purple | July | .1999 |
|
3
| 'Yellow Flash' | Ruh, Peter | Giant | Light-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | .1997 |
|
4
| 'Yellow in October' | Wade, Van | - | Med-Green | - | - | Unknown | - | - | --NR-- |
|
5
| 'Yellow Splashed Edge' | Ruh, Peter | Small | Med-Green | Marginal | Yellow | Unknown | - | - | --NR-- |
|
6
| 'Yippee' | Beilstein, Doug & Beilstein, Mardy | Small | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July | .2020 |
|
7
| 'Yojimbo' | Ward, Dr Dick & Ward, Jane | Large | Med-Green | - | - | Hybrid | Near-White | June into July | .2003 |
|
8
| 'Yukon Gold' | Ward, Dr Dick & Ward, Jane | Medium | Yellow | - | - | Hybrid | Pale-Lavender | July into August | .2015 |
|
9
| 'Yuma' (Wade) | Wade, Van | Large | Blue/Green | - | - | Hybrid | Pure-White | June into July | .2007 |
|