No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'All That Jazz' | Large | Dark-Green | Marginal | White | Hybrid | Pure-White | July into August | Petryszyn, Olga | .2006 |
2
| 'Amos' | Large | Blue/Green | | - | Unknown | Near-White | June into July | Petryszyn, Olga | --NR-- |
3
| 'Blue Hawaii' | Giant | Blue/Green | | - | Hybrid | Light-Purple | July | Petryszyn, Olga | .1999 |
4
| 'Brother Stefan' | Large | Yellow | Marginal | Greenish White | Hybrid | Pure-White | June into July | Petryszyn, Olga | .1998 |
5
| 'Champagne Taste' | Medium | Light-Green | Marginal | White | Hybrid | Near-White | June | Schroeder, Bob & Schroeder, Barb & Petryszyn, Olga | .2012 |
6
| 'Chesapeake Bay' | Large | Blue/Green | | - | Hybrid | Near-White | July | Petryszyn, Olga | .2004 |
7
| 'Coal Miner' | Small | Dark-Green | | - | Hybrid | Unknown | June into July | Petryszyn, Olga | .2010 |
8
| 'Coast to Coast' | Giant | Light-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Petryszyn, Olga | .2014 |
9
| 'Continental Divide' | Large | Dark-Green | Medial | Green | Hybrid | Near-White | June to July to August | Groothuis, Mike & Petryszyn, Olga | .2008 |
10
| 'Dawn's Early Light' | Large | Yellow | | - | Hybrid | Pale-Lavender | July into August | Petryszyn, Olga | .1998 |
11
| 'Dune Boy' | Large | Light-Green | | - | Hybrid | Unknown | - | Petryszyn, Olga | .2009 |
12
| 'Gitchigumi' | Giant | Blue/Green | | - | Hybrid | Pure-White | July | Petryszyn, Olga | .2009 |
13
| 'Golden Gate' | Large | Yellow | | - | Hybrid | Unknown | - | Brincka, Wm & Petryszyn, 0lga | .1994 |
14
| 'Gone with the Wind' | Large | Dark-Green | Marginal | White | Hybrid | Unknown | - | Petryszyn, Olga | .2009 |
15
| 'Gotham' | Giant | Blue/Green | | - | Hybrid | Unknown | July | Petryszyn, Olga | .2009 |
16
| 'Grand Canyon' | Large | Med-Green | | - | Hybrid | Pure-White | July | Petryszyn, Olga | .1995 |
17
| 'Great Plains' | Large | Blue/Green | | - | Hybrid | Near-White | June | Brincka, Wm & Petryszyn, 0lga | .1994 |
18
| 'Hoosier Dome' | Large | Med-Green | | - | Hybrid | Near-White | June | Petryszyn, Olga | .1998 |
19
| 'Key West' | Giant | Yellow | | - | Hybrid | Near-White | June into July | Petryszyn, Olga | .1999 |
20
| 'Lake Gitchigumi' | Giant | Blue/Green | | - | Hybrid | Near-White | July into August | Petryszyn, Olga | --NR-- |
21
| 'Manhattan' | Medium | Dark-Green | | - | Hybrid | Light-Purple | July | Brincka, Wm & Petryszyn, Olga | .1994 |
22
| 'Mardi Gras' | Medium | Dark-Green | Marginal | White | Hybrid | Pale-Lavender | July | Petryszyn, Olga | .2001 |
23
| 'Memphis Blue' | Giant | Blue/Green | | - | Hybrid | Unknown | - | Petryszyn, Olga | .2021 |
24
| 'Memphis Blues' | Small | Med-Green | Medial | Yellow | Unknown | Near-White | - | Petryszyn, Olga | --NR-- |
25
| 'Mississippi Delta' | Giant | Blue/Green | | - | Hybrid | Pale-Lavender | June into July | Petryszyn, Olga | .1998 |
26
| 'Mt. Baldy' | Large | Yellow | | | Unknown | Unknown | - | Petryszyn, Olga | --NR-- |
27
| 'Niagara Falls' | Giant | Med-Green | | - | Hybrid | Pale-Lavender | July | Brincka, Wm & Petryszyn, 0lga | .1991 |
28
| 'Old Faithful' | Large | Med-Green | | - | Hybrid | Pure-White | August September October | Brincka, Wm & Petryszyn, 0lga | .1991 |
29
| 'Pearls of Wisdom' | Large | Blue/Green | | | Hybrid | Near-White | June into July | Petryszyn, Olga | .2021 |
30
| 'Riverboat Queen' | Giant | Med-Green | | - | Unknown | Pale-Lavender | June into July | Petryszyn, Olga & Fox, Bob | .2019 |
31
| 'Sister Irene' | Large | Med-Green | Marginal | White | Hybrid | Light-Purple | July | Petryszyn, Olga | .2021 |
32
| 'Smokey Bear' | Giant | Blue/Green | | - | Hybrid | Near-White | June into July | Petryszyn, Olga & The American Hosta Society | .2020 |
33
| 'Tobacco Road' | - | Yellow | Marginal | Green | Hybrid | Unknown | June into July | Petryszyn, Olga | .2010 |
34
| 'Viva Las Vegas' | Large | Dark-Green | Medial | White | Hybrid | Pale-Lavender | June into July | Petryszyn, Olga | .2004 |
35
| 'Yosemite Valley' | Giant | Yellow | | - | Hybrid | Unknown | - | Petryszyn, Olga | .2010 |
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