| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Yaburitsugi' | Medium | Dark-Green | - | - | Unknown | - | - | Nakayama, Toyozo & Lydell, Ransom & Walek, Kevin | .2009 |
|
2
| 'Yap Yum' | Large | Med-Green | Marginal | Yellow | Unknown | Pale-Lavender | July into August | Van den Top, Jan | --NR-- |
|
3
| 'Yarden Yellow Snow' | Medium | Yellow | - | - | Hybrid | - | July into August | White, Brian | .2008 |
|
4
| 'Yellow Blade' | Medium | Yellow | - | - | Sport | - | July into August | Benedict, Dr Ralph (Herb) & Walek, Kevin | .2009 |
|
5
| 'Yellow Piecrust' | Medium | Yellow | | | Unknown | | | Ziarek, Ken | --NR-- |
|
6
| 'Yellow Prize' | Small | Yellow | - | - | Hybrid | - | - | Kuenster, Rod | .2008 |
|
7
| 'Yes, Sir!' | Large | Med-Green | - | - | Hybrid | - | July into August | Donsky, George | .2009 |
|
8
| 'Yikes Stripes' | Small | Blue/Green | - | - | Unknown | - | July into August | Megos, Stan | .2007 |
|
9
| 'Yojimbo' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2003 |
|
10
| 'Yorick' | Large | Dark-Green | Marginal | Green | Unknown | - | July into August | Squires, Keith & Ruh, Peter & Ruh, Jean | .2005 |
|
11
| 'Yosemite Valley' | Giant | Yellow | - | - | Hybrid | - | - | Petryszyn, Olga | .2010 |
|
12
| 'You Lie' | Large | Dark-Green | - | - | Unknown | Light-Purple | August to September | Freeman, Franc & Freeman, Sally | .2009 |
|
13
| 'You Light Up My Life' | Large | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July | Elslager, Ed | .2003 |
|