| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
|
1
| 'Ufo' | Giant | Dark-Green | Marginal | Yellow | Sport | July into August | Fransen, Marco | --NR-- |
|
2
| 'Ugga Bugga' | Small | Blue/Green | Marginal | White | Unknown | July into August | Goodwin, Randy | .2017 |
|
3
| 'Ugly Duckling' | Large | Yellow | Marginal | White | TC Sport | July | Zilis, Mark & Ruh, Peter | .1999 |
|
4
| 'Uguis' | Large | Med-Green | | - | Unknown | July into August | Unknown & Walek, Kevin & The American Hosta Society | .2009 .2018 |
|
5
| 'Uju' | Small | Dark-Green | Marginal | Yellow | Sport | July into August | Zilis, Mark | .2011 |
|
6
| 'Ulee's Gold' | Small | Yellow | | - | Unknown | June into July | Treichel, Bernie | .2006 |
|
7
| 'Ultraviolet Light' | Medium | Yellow | | - | Hybrid | July | Wilkins, Dr Jim & Wilkins, Jill | .1989 |
|
8
| 'Ulysses S Grant' | Large | Med-Green | | - | Unknown | July | Sugita, Hajime & Ruh, Peter | .2001 |
|
9
| 'Umi Oba' | Large | Med-Green | Marginal | Yellow | Hybrid | July | Unknown | --NR-- |
|
10
| 'Un Poco' | Small | Med-Green | Streaked | White | TC Sport | July | Zilis, Mark | --NR-- |
|
11
| 'Unbridled Passion' | Medium | Light-Green | Marginal | White | Hybrid | July into August | Johnson, Greg | .2004 |
|
12
| 'Unchained Melody' | Large | Dark-Green | Marginal | Creamy White | Hybrid | July | Wilkins, Dr Jim | .2000 |
|
13
| 'Uncle John' | Medium | Blue/Green | | - | Hybrid | July | Nyikos, Frank | .2000 |
|
14
| 'Uncle Shorty' | Giant | Blue/Green | | - | Unknown | June into July | Schulz, Ed | .2017 |
|
15
| 'Undercover' | Large | - | | - | Sport | July into August | Philips, Hugo | --NR-- |
|
16
| 'Undine' | Giant | Dark-Green | | - | Hybrid | June into July | Schuster, Eberhard & Syre-Herz, Ursula | --NR-- |
|
17
| 'Unducosa' | Medium | Med-Green | | - | Hybrid | July | Summers, Alex & The American Hosta Society | .1986 |
|
18
| 'Undulata' | Medium | Med-Green | Medial | White | Unknown | July | Bailey, Liberty Hyde & The American Hosta Society | .2001 |
|
19
| 'Undulata Albomarginata' | Medium | Med-Green | Marginal | White | Sport | July | The American Hosta Society | .1987 |
|
20
| 'Undulata Erromena' | Large | Med-Green | | - | Sport | July | The American Hosta Society | .1987 |
|
21
| 'Undulata Wade #102' | Medium | Med-Green | Medial | White | Sport | July | Wade, Van | --NR-- |
|
22
| 'Unexpected Company' | Small | Dark-Green | Medial | Yellow | Hybrid | June into July | Herold, Glenn | .2005 |
|
23
| 'Unexpected Pleasure' | Large | Dark-Green | Marginal | White | Hybrid | July into August | Asch, Stuart | .2000 |
|
24
| 'Unexpected Song' | Large | Dark-Green | | - | Sport | July into August | Wilkins, Dr Jim | .2000 |
|
25
| 'Unforgettable' | Large | Blue/Green | Marginal | Yellow | Hybrid | July | Kuk, Bob | .1999 |
|
26
| 'Uniquely Go Big or Go Home' | Giant | Blue/Green | | - | Unknown | July into August | Rosenberg, Marlene & Goodrich, Jon & Miller, Jeff | .2014 |
|
27
| 'Uniquely Goooal!' | Giant | Blue/Green | | - | Sport | June into July | Rosenberg, Marlene & Goodrich, Jon | .2020 |
|
28
| 'Uniquely Inconceivable' | Giant | Blue/Green | | - | Hybrid | June into July | Rosenberg, Marlene & Goodrich, Jon | .2020 |
|
29
| 'Uniquely Purple People Eater' | Medium | Blue/Green | | - | Unknown | July into August | Uniquely Hostas | .2020 |
|
30
| 'Uniquely Rails to Trails' | Giant | Blue/Green | | - | Unknown | July into August | Miller, Jeff & Rosenberg, Marlene & Goodrich, Jon | .2014 |
|
31
| 'Uniquely Sweet Lady' | Large | Yellow | | - | Hybrid | June into July | Rosenberg, Marlene & Goodrich, Jon | .2020 |
|
32
| 'Unitalis' | Medium | Med-Green | Medial | White | Sport | July | Zager, Herbert A. | --NR-- |
|
33
| 'Unruly Child' | Medium | Dark-Green | | - | Unknown | July into September | Avent, Tony | .2012 |
|
34
| 'Unruly Troll' | Large | Blue/Green | | - | Unknown | June into July | Schulz, Ed | .2014 |
|
35
| 'Unsinkable Molly Brown' | Large | Dark-Green | Marginal | Green | Sport | July into August | Postlewaite, Peter | .2013 |
|
36
| 'Unsung Hero' | Medium | Med-Green | Marginal | Yellow | Sport | July | Hansen, Hans | --NR-- |
|
37
| 'Up in Smoke' | Medium | Blue/Green | | - | Hybrid | July into August | Husemann, Jim | .2020 |
|
38
| 'Upbeat' | Giant | Med-Green | | - | Hybrid | July | Ruh, Peter | .2000 |
|
39
| 'Upper Crust' | Medium | Yellow | Marginal | Green | TC Sport | July | Zilis, Mark | .2004 |
|
40
| 'Upper Echelon' | Medium | Blue/Green | | - | Hybrid | June into July | Ward, Dr Dick & Ward, Jane | .2013 |
|
41
| 'Ur' | Medium | Blue/Green | Medial | Yellow | Unknown | June into July | Malloy, Alex | --NR-- |
|
42
| 'Urajiro Itaya' | Medium | Dark-Green | Streaked | Yellow | Unknown | June into July | Maillot, Guy | --NR-- |
|
43
| 'Urajiro Ubatake' | Small | Med-Green | | - | Sport | July | Watanabe, Kenji | --NR-- |
|
44
| 'Urban Cowboy' | Medium | Med-Green | Streaked | Yellow | TC Sport | July | Zilis, Mark | .2009 |
|
45
| 'Urchin' | Small | Med-Green | | - | Hybrid | July into August | Beilstein, Doug & Beilstein, Mardy | .2013 |
|
46
| 'Utsukushigahara Fukurin Oba' | Large | Med-Green | Marginal | Yellow | Sport | July | Watanabe, Kenji | --NR-- |
|