| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'What D'ye Buy' | Small | Med-Green | Marginal | White | Hybrid | Unknown | Unknown | Beilstein, Doug | --NR-- |
|
2
| 'Yae', H. plantaginea | Large | Med-Green | | | Hybrid | Pure-White | August to September | Williams, Ron | --NR-- |
|
3
| 'Yae-no-oba' | Large | Med-Green | | | Hybrid | Pure-White | July | Unknown | --NR-- |
|
4
| 'Yakushima' | Miniature | Med-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
5
| 'Yakushima Mizu' | Small | Med-Green | | | Unknown | Pale-Lavender | August | Unknown | --NR-- |
|
6
| 'Yakushima Otome' | Miniature | Med-Green | | | Hybrid | Unknown | Unknown | Kitahara | --NR-- |
|
7
| 'Yan Zan' | Large | Med-Green | | | Sport | Pure-White | August | Zonneveld, Ben | --NR-- |
|
8
| 'Yankee Blue Lightning' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Balitewicz, Bob | --NR-- |
|
9
| 'Yankee Clipper' | Small | Dark-Green | Medial | White | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
10
| 'Yankee Doodle' (Malloy) | Small | Med-Green | Marginal | White | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
11
| 'Yankee Doodle Dandy' | Medium | Med-Green | Streaked | Speckles | Hybrid | Unknown | Unknown | Balitewicz, Bob | --NR-- |
|
12
| 'Yankee Peddler' | Medium | Med-Green | Streaked | White | Sport | Pale-Lavender | July | Malloy, Alex | --NR-- |
|
13
| 'Yap Yum' | Large | Med-Green | Marginal | Yellow | Unknown | Pale-Lavender | July to August | Van den Top, Jan | --NR-- |
|
14
| 'Yarden Blue Surfer Boy' | Small | Blue/Green | | | Unknown | Unknown | Unknown | White, Brian | --NR-- |
|
15
| 'Yashie' | Medium | Med-Green | | | Unknown | Unknown | Unknown | Benedict, Dr Ralph (Herb) | --NR-- |
|
16
| 'Yea' | Medium | Light-Green | | | Sport | Pure-White | August | Benedict, Dr Ralph (Herb) | --NR-- |
|
17
| 'Yeet Nine' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
|
18
| 'Yella Bellie' | Large | Yellow | | | Unknown | Unknown | Unknown | Goodwin, Randy | --NR-- |
|
19
| 'Yellow Bananas' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
20
| 'Yellow Belly' | Unknown | Yellow | | | Unknown | Unknown | Unknown | Jones, Leonard | --NR-- |
|
21
| 'Yellow Brick Road' (Goodwin) | Unknown | Unknown | | | Unknown | Unknown | Unknown | Goodwin, Randy | --NR-- |
|
22
| 'Yellow Brick Road' (Tompkins) | Medium | Med-Green | Marginal | White | Unknown | Light-Purple | July | Tompkins, Chet | --NR-- |
|
23
| 'Yellow Dream' | Medium | Light-Green | | | Unknown | Unknown | July to August | Livingston, Ron | --NR-- |
|
24
| 'Yellow Duckling' | Small | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
25
| 'Yellow Girl' | Medium | Light-Green | | | Unknown | Unknown | Unknown | Leuckx, Bart | --NR-- |
|
26
| 'Yellow Heron' | Medium | Yellow | | | Unknown | Unknown | Unknown | Owens, Clarence | --NR-- |
|
27
| 'Yellow Imperial Banner' | Large | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
28
| 'Yellow in October' | Unknown | Med-Green | | | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
|
29
| 'Yellow Kid' | Small | Yellow | | | Hybrid | Unknown | Unknown | Malloy, Alex | --NR-- |
|
30
| 'Yellow King' | Unknown | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
31
| 'Yellow Ledbetter' | Large | Yellow | | | Unknown | Med-Lavender | Unknown | Sanford, Matt | --NR-- |
|
32
| 'Yellow Lollipop' | Medium | Yellow | | | Unknown | Unknown | Unknown | Hawes, James | --NR-- |
|
33
| 'Yellow Moon Rising' | Large | Yellow | | | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
|
34
| 'Yellow Needle' | Miniature | Yellow | | | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
|
35
| 'Yellow Piecrust' | Medium | Yellow | | | Unknown | Unknown | Unknown | Ziarek, Ken | --NR-- |
|
36
| 'Yellow Ruffles' | Large | Yellow | | | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
|
37
| 'Yellow Smiles' | Small | Yellow | | | Unknown | Med-Lavender | Unknown | Livingston, Ron | --NR-- |
|
38
| 'Yellow Snow' | Medium | Light-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Janssen, Bill | --NR-- |
|
39
| 'Yellow Splashed Edge' | Small | Med-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Ruh, Peter | --NR-- |
|
40
| 'Yellow Spot' | Medium | Yellow | | | Sport | Light-Purple | July | South Africa | --NR-- |
|
41
| 'Yellow Spring' | Medium | Yellow | | | Unknown | Unknown | Unknown | Plater-Zyberk, Maria | --NR-- |
|
42
| 'Yellow Strike' | Unknown | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
43
| 'Yellow Sum and Substance' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
44
| 'Yellow Swoosh' | Large | Yellow | | | Unknown | Unknown | Unknown | Livingston, Ron | --NR-- |
|
45
| 'Yellow Tears' | Small | Yellow | | | Hybrid | Unknown | Unknown | Zonneveld, Ben | --NR-- |
|
46
| 'Yellow Tiara' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
47
| 'Yellow Urchin' | Unknown | Light-Green | | | Unknown | Med-Lavender | Unknown | Vaillancourt, Caryl | --NR-- |
|
48
| 'Yellow Wedgwood' | Small | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
49
| 'Yellow Yeti' | Giant | Yellow | | | Unknown | Unknown | Unknown | Carlson, Monty & Carlson, Julie | --NR-- |
|
50
| 'Yesterday's Corn' | Small | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
51
| 'Yo Yo' | Small | Dark-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
52
| 'Yo Yo Ma' | Unknown | Unknown | Streaked | Unknown | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
53
| 'Yoshi' | Medium | Med-Green | Marginal | White | Hybrid | Light-Purple | August to September | Herold, Roy | --NR-- |
|
54
| 'Yoshinogawa' | Medium | Dark-Green | Streaked | Yellow | Sport | Pale-Lavender | August to September to October | Unknown | --NR-- |
|
55
| 'Yoshi-no-midori' | Medium | Blue/Green | | | Unknown | Light-Purple | Unknown | Fukatsu, Shinya | --NR-- |
|
56
| 'You Can Call Me Al' | Large | Blue/Green | Marginal | White | Unknown | Unknown | Unknown | Wasitis, Chick | --NR-- |
|
57
| 'You Who' | Small | Light-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Goodwin, Randy | --NR-- |
|
58
| 'Yours Truly' | Small | Med-Green | Marginal | White | Unknown | Unknown | Unknown | Terpening, Kent | --NR-- |
|
59
| 'Yuki Zasa' | Unknown | Med-Green | Medial | White | Unknown | Unknown | Unknown | Ichie, Toyokazu | --NR-- |
|
60
| 'Yuki-no-jou' | Medium | Med-Green | Streaked | White | Sport | Unknown | Unknown | Hirose, Yoshimichi | --NR-- |
|
61
| 'Yukon River' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
62
| 'Yuma' (Livingston) | Medium | Light-Green | | | Unknown | Light-Purple | Unknown | Livingston, Ron | --NR-- |
|
63
| 'Yumedono Iwa' | Small | Med-Green | Medial | Yellow | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
64
| 'Yuuyakee' | Medium | Med-Green | Medial | Yellow | Unknown | Med-Lavender | August to September | Vandekinderen, Gino | --NR-- |
|
65
| 'Yvonne' | Unknown | Dark-Green | Medial | White | Unknown | Unknown | Unknown | Unknown | --NR-- |
|