| No. | Year | Winner | Cultivar Name | Origin | Plant Size | Leaf Color | Varieg. | Var Color | Flower Color | Season | Registered |
|
1
| 2006 | Seaver, Mildred | 'Sea Fire' | Unknown | Medium | Yellow | | | Pale-Lavender | July to August | .2004 |
|
2
| 2007 | Chastain, Mary | 'Lakeside Cupcake' | Unknown | Small | Blue/Green | Medial | White | Pure-White | July | .1998 |
|
3
| 2008 | Solberg, Robert | 'Ginsu Knife' | Hybrid | Large | Med-Green | Marginal | Creamy White | Near-White | July | .2002 |
|
4
| 2009 | Lachman, Wm & Lachman, Eleanor | 'Robert Frost' | Hybrid | Large | Med-Green | Marginal | White | Near-White | June to July | .1988 |
|
5
| 2010 | Ward, Dr Dick & Ward, Jane | 'Fat Cat' | Hybrid | Large | Yellow | | | Pure-White | June to July | .1996 |
|
6
| 2011 | Kuk, Bob | 'Van Wade' | Hybrid | Medium | Med-Green | Marginal | Creamy White | Pale-Lavender | August to September to October | .1990 |
|
7
| 2012 | Vaughn, Kevin & Seaver, Mildred | 'Christmas Tree' | Hybrid | Large | Dark-Green | Marginal | White | Med-Lavender | June to July | .1982 |
|
8
| 2013 | Petryszyn, Olga | 'Brother Stefan' | Hybrid | Large | Yellow | Marginal | Greenish White | Pure-White | June to July | .1998 |
|
9
| 2014 | Wilkins, Dr Jim & Wilkins, Jill | 'Wolverine' | Hybrid | Medium | Dark-Green | Marginal | Yellow | Pale-Lavender | July to August | .1995 |
|
10
| 2015 | Avent, Tony | 'Branching Out' | Hybrid | Medium | Dark-Green | | | Near-White | July to August to September | .2012 |
|
11
| 2016 | Dean, Don | 'Pure Intentions' | Hybrid | Small | Blue/Green | Medial | Yellow | Med-Lavender | June to July | .2011 |
|
12
| 2017 | Beilstein, Doug | 'Cup of Grace' | Hybrid | Large | Dark-Green | | | Unknown | July to August | .2009 |
|
13
| 2018 | Stegeman, Bev & Stegeman, Dave | 'Midnight Oil' | Hybrid | Medium | Dark-Green | | | Light-Purple | July | .2004 |
|
14
| 2019 | Linneman, Jeroen | 'Valley's Pavlova' | Hybrid | Medium | Yellow | | | Pale-Lavender | July to August | .2015 |
|
15
| 2021 | Walters Gardens | 'Diamond Lake' | Unknown | Medium | Blue/Green | | | Pale-Lavender | June to July | .2018 |
|
16
| 2022 | Kuenster,Rod | 'Cosmic Crocodile' | Hybrid | Large | Blue/Green | | | Pure-White | June to July | .2021 |
|