No. | Cultivar Name | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Uber Empire' | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
2
| 'Uguis' | Med-Green | | | Unknown | Light-Purple | July to August | Unknown & Walek, Kevin & The American Hosta Society | .2009 .2018 |
3
| 'Ultramarine' | Blue/Green | | | Hybrid | Pale-Lavender | August | Zilis, Mark | .2003 |
4
| 'Ulysses S Grant' | Med-Green | | | Unknown | Pale-Lavender | July | Sugita, Hajime & Ruh, Peter | .2001 |
5
| 'Undulata White Beauty' | Med-Green | Marginal | White | Unknown | Unknown | Unknown | Unknown | --NR-- |
6
| 'Unforgettable' | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Kuk, Bob | .1999 |
7
| 'Uniquely Go Big or Go Home' | Blue/Green | | | Unknown | Unknown | July to August | Rosenberg, Marlene & Goodrich, Jon & Miller, Jeff | .2014 |
8
| 'Uniquely Goooal!' | Blue/Green | | | Sport | Light-Purple | June to July | Rosenberg, Marlene & Goodrich, Jon | .2020 |
9
| 'Uniquely Sweet Lady' | Yellow | | | Hybrid | Pale-Lavender | June to July | Rosenberg, Marlene & Goodrich, Jon | .2020 |
10
| 'Unruly Troll' | Blue/Green | | | Unknown | Pale-Lavender | June to July | Schulz, Ed | .2014 |
11
| 'Uplift' | Yellow | Marginal | White | Unknown | Unknown | Unknown | Aden, Paul | --NR-- |
12
| 'Upright Green' | Med-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
13
| 'Uprising' | Dark-Green | Marginal | Yellow | Sport | Med-Lavender | Unknown | Fransen, Marco & Fransen, Joyce | --NR-- |
14
| 'UPS' | Unknown | Streaked | Unknown | Unknown | Unknown | Unknown | Koza, Carole | --NR-- |
15
| 'Upswing' | Dark-Green | | | Unknown | Unknown | Unknown | Scheer, Alttara | --NR-- |
16
| 'Utah Kid' | | | | Duplicate | | | Duplicate Name | |
17
| 'Ute' | Blue/Green | | | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
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