| No. | Sport Cultivar | Mother Plant | Source | Additional Information |
|
1
| 'Ufo' | 'Gunther's Prize' | Fransen, Marco | (GENETIC BACKGROUND) 'Bengee', Hosta nigrescens, 'Sum and Substance', 'Tokudama', 'Tokudama Aureonebulosa' (Possibly) |
|
2
| 'Ugly Duckling' | 'Gold Regal' | Zilis, Mark & Ruh, Peter | (GENETIC BACKGROUND) 'Aden No. 392', 'Gold Regal' |
|
3
| 'Uju' | 'Kaleidochrome' | Zilis, Mark | (GENETIC BACKGROUND) 'Kaleidochrome', Hosta longipes |
|
4
| 'Umezawa' | Hosta longipes - | Umezawa, Senkichi | (GENETIC BACKGROUND) Hosta longipes |
|
5
| 'Umezawa Nishiki' | 'Umezawa' | Umezawa, Senkichi | (GENETIC BACKGROUND) Hosta longipes, 'Umezawa' |
|
6
| 'Un Poco' | 'Little One' | Zilis, Mark | (GENETIC BACKGROUND) 'Aden No. 270', 'Aden No. 275', 'Fortunei', 'Fortunei Robusta', 'Ichi-ban', 'Little One', 'Neat Splash', Hosta sieboldii, 'Swoosh', 'Yellow Splash' |
|
7
| 'Unazuki Dwarf' | Hosta kikutii caput-avis | Unknown | (GENETIC BACKGROUND) Hosta kikutii, Hosta kikutii caput-avis ++(SIMILAR.HOSTAS) 'Red Neck Heaven' |
|
8
| 'Unazuki Soules' | Hosta kikutii caput-avis | Soules, Marjorie | (GENETIC BACKGROUND) Hosta kikutii, Hosta kikutii caput-avis ++(SAME.AS) 'Unazuki Dwarf' (INFO.SOURCE: The Hostapedia) |
|
9
| 'Undercover' | 'Patriot' | Philips, Hugo | (GENETIC BACKGROUND) 'Fortunei', 'Francee', 'Patriot' |
|
10
| 'Undulata Albomarginata' | 'Undulata' | The American Hosta Society | (GENETIC BACKGROUND) 'Undulata' ++(DUPLICATE/INCORRECT.NAME) 'Krossa G-5', 'Mackwoods No. 05' ++(SIMILAR.HOSTAS) 'Crispula', 'Frank Sedgewick', 'Fukurin Ohatsuki', 'Hauser Silver Edge', 'Rocknoll Snow Edge', 'See Saw', 'Undulata Erromena', 'White Band' |
|
11
| 'Undulata Erromena' | 'Undulata' | The American Hosta Society | (GENETIC BACKGROUND) 'Undulata' ++(DUPLICATE/INCORRECT.NAME) 'Mackwoods No. 03' ++(SIMILAR.HOSTAS) 'Erromena', 'Nakaimo', 'Ohatsuki', 'Unducosa' |
|
12
| 'Undulata Univittata' | 'Undulata' | Hylander, Nils & The American Hosta Society | (GENETIC BACKGROUND) 'Undulata' ++(DUPLICATE/INCORRECT.NAME) 'Krossa C-5', 'Mackwoods No. 06' ++(SIMILAR.HOSTAS) 'Formal Affair', 'Middle Ridge', 'Night before Christmas', 'Silver Ribbon' |
|
13
| 'Undulata Variant' | 'Undulata' | Unknown | (GENETIC BACKGROUND) 'Undulata' |
|
14
| 'Undulata Wade #101' | 'Undulata' | Wade, Van | (GENETIC BACKGROUND) 'Undulata' |
|
15
| 'Undulata Wade #102' | 'Undulata' | Wade, Van | (GENETIC BACKGROUND) 'Undulata' ++(SIMILAR.HOSTAS) 'Undulata Univittata' |
|
16
| 'Unexpected Song' | 'Leading Lady' | Wilkins, Dr Jim | (GENETIC BACKGROUND) 'Beatrice', 'Elegans', 'Frances Williams', 'Leading Lady', 'Sieboldiana', Hosta sieboldii, 'William Lachman' |
|
17
| 'Uniquely Goooal!' | 'World Cup' | Rosenberg, Marlene & Goodrich, Jon | (GENETIC BACKGROUND) 'Donahue Piecrust', 'Komodo Dragon', 'Super Bowl', 'World Cup' |
|
18
| 'Uniquely Shirley Temple' | 'Maraschino Cherry' | Rosenberg, Marlene & Goodrich, Jon | (GENETIC BACKGROUND) 'Beatrice', 'Cherry Berry', 'Elegans', 'Flamboyant', 'Frances Williams', 'Maraschino Cherry', 'Sieboldiana', Hosta sieboldii |
|
19
| 'Unitalis' | 'Undulata' | Zager, Herbert A. | (GENETIC BACKGROUND) 'Undulata' ++(SIMILAR.HOSTAS) 'Foxfire Viper', 'White Ray' |
|
20
| 'Unsinkable Molly Brown' | 'Titanic' | Postlewaite, Peter | (GENETIC BACKGROUND) 'Bengee', Hosta nigrescens, 'Sum and Substance', 'Titanic', 'Tokudama Aureonebulosa', 'Tokudama' |
|
21
| 'Unstable Mabel' | 'Mabel Maria Herweg' | Unknown | (GENETIC BACKGROUND) 'Mabel Maria Herweg' ++(SIMILAR.HOSTAS) 'Stable Mabel' (INFO.SOURCE: Hosta Library) |
|
22
| 'Unsung Hero' | 'Bridegroom' or 'Stirfry' | Hansen, Hans | (GENETIC BACKGROUND) 'Bridegroom', 'Holly's Honey', 'Stirfry', Hosta ventricosa |
|
23
| 'Upper Crust' | 'Snow Crust' | Zilis, Mark | (GENETIC BACKGROUND) 'Fortunei', 'Snow Crust' |
|
24
| 'Uprising' | 'Rising Sun' | Fransen, Marco & Fransen, Joyce | (GENETIC BACKGROUND) 'Aztec Treasure', 'Golden Waffles, Hosta plantaginea, 'Rising Sun', 'Rough Waters', 'Summer Fragrance', 'Tokudama' |
|
25
| 'Urajiro Amagi Iwa' | Hosta longipes latifolia | Unknown & Walek, Kevin & The American Hosta Society | (GENETIC BACKGROUND) Hosta longipes, Hosta longipes latifolia |
|
26
| 'Urajiro Hachijo', H. rupifraga | Hosta rupifraga | Unknown | (GENETIC BACKGROUND) Hosta rupifraga ++(SAME.AS) 'Urajiro Amagi Iwa' ++(SIMILAR.HOSTAS) Hosta longipes latifolia |
|
27
| 'Urajiro Iwa' | Hosta longipes - | Unknown | (GENETIC BACKGROUND) Hosta longipes ++(SIMILAR.HOSTAS) 'Urajiro Hachijo' |
|
28
| 'Urajiro Izu Iwa' | Hosta longipes latifolia | Unknown & Walek, Kevin & The American Hosta Society | (GENETIC BACKGROUND) Hosta longipes, Hosta longipes latifolia (INFO.SOURCE: MyHosta Database) |
|
29
| 'Urajiro Musashino' | Hosta clavata | Unknown | (GENETIC BACKGROUND) Hosta clavata |
|
30
| 'Urajiro Oba' | Hosta montana - | Unknown | (GENETIC BACKGROUND) Hosta montana |
|
31
| 'Urajiro Ubatake' | Hosta pulchella | Watanabe, Kenji | (GENETIC BACKGROUND) Hosta pulchella |
|
32
| 'Urajiro', H. rupifraga | Hosta rupifraga | Nigishi | (GENETIC BACKGROUND) Hosta rupifraga |
|
33
| 'Urban Cowboy' | 'Rhinestone Cowboy' | Zilis, Mark | (GENETIC BACKGROUND) Hosta hypoleuca, 'Maekawa', 'Rhinestone Cowboy', 'Sea Prize' |
|
34
| 'Utsukushigahara Fukurin Oba' | Hosta montana - | Watanabe, Kenji | (GENETIC BACKGROUND) Hosta montana |
|
35
| 'Uzu-no-mai Fukurin' | 'Uzu-no-mai' | Unknown | (GENETIC BACKGROUND) 'Uzu-no-mai' |
|