No. | Cultivar Name | Origin | Plant Size | Leaf Color | Variegation | Var Color | Flower Color | Season | Source | Registered |
1
| 'Taj Mahal' | Hybrid | Large | Med-Green | Medial | White | Near-White | June to July | Ward, Dr Dick & Ward, Jane | .2009 |
2
| 'Tangerine' | Hybrid | Medium | Yellow | | | Pale-Lavender | July | Elslager, Ed | .1998 |
3
| 'Tango Twist' | Sport | Large | Med-Green | Medial | Yellow | Unknown | June to July | Silvers, Bill | .2012 |
4
| 'Tapestry' | Unknown | Large | Dark-Green | Medial | White | Pale-Lavender | June to July | Wasitis, Chick | .2021 |
5
| 'Tarantella' | Hybrid | Medium | Blue/Green | | | Light-Purple | July to August | Ragus, Gerhard & Ragus, Renate | .2020 |
6
| 'Tarnished Brass' | Nat-Sport | Large | Blue/Green | | | Med-Lavender | July to August | Lydell, Ran | --NR-- |
7
| 'Taurus' | Hybrid | Large | Blue/Green | | | Near-White | June to July | Husemann, Jim | .2009 |
8
| 'Teacher's Pet' | Hybrid | Medium | Blue/Green | Marginal | White | Near-White | June to July | Asch, Stuart | .2000 |
9
| 'Teltow Early Bells' | Unknown | Small | Yellow | | | Pale-Lavender | June to July | Entemann, Manfred | .2022 |
10
| 'Temple of Heaven' | Hybrid | Small | Med-Green | Medial | White | Unknown | Unknown | Ward, Dr Dick & Ward, Jane | .2012 |
11
| 'Temptation' | Sport | Giant | Blue/Green | Medial | White | Near-White | June | Cornitensis, Roger | .2020 |
12
| 'Temptress' (Asch) | Unknown | Large | Med-Green | Streaked | Yellow | Unknown | Unknown | Asch, Stuart | --NR-- |
13
| 'The Big Five-oh' | Unknown | Giant | Dark-Green | | | Near-White | June to July | Seaver, Charles | .2017 |
14
| 'The Bog' | Unknown | Large | Med-Green | | | Unknown | Unknown | Unknown | |
15
| 'The Duchess Dorothy' | Unknown | Small | Light-Green | Marginal | White | Pale-Lavender | June to July | Goodwin, Randy | .2019 |
16
| 'The Green Hornet' | Hybrid | Large | Med-Green | Streaked | Yellow | Pale-Lavender | July | Elslager, Ed | .2004 |
17
| 'The Leading Edge' | Hybrid | Giant | Med-Green | Marginal | Yellow | Pale-Lavender | June to July | Elslager, Ed | .2002 |
18
| 'The Mighty Koo Yai' | Hybrid | Giant | Dark-Green | | | Med-Lavender | June to July | Kwick, Charles | .2019 |
19
| 'The Mighty Quinn' | Sport | Large | Blue/Green | Marginal | White | Unknown | June to July | Solberg, Robert | --NR-- |
20
| 'The Moon Turned Blue' | Unknown | Large | Blue/Green | | | Unknown | Unknown | Ziarek, Ken | --NR-- |
21
| 'The Notorious RBG' | Hybrid | Large | Yellow | | | Pale-Lavender | July | Kwick, Charles | .2022 |
22
| 'The Seventh Son' | Hybrid | Large | Light-Green | | | Pale-Lavender | July to August | Kwick, Charles | .2022 |
23
| 'The Sun King' | Unknown | Large | Yellow | | | Near-White | July | O'Harra, Russ | .1999 |
24
| 'The Trophy Wife' | Hybrid | Giant | Yellow-Gold | | | Med-Lavender | June to July | Fox, Bob & Fox, G. | .2019 |
25
| 'The Wall' | Unknown | Giant | Blue/Green | | | Near-White | July to August | Schulz, Ed | .2017 |
26
| 'Thelonius' | Hybrid | Medium | Blue/Green | | | Near-White | July to August | Ward, Dr Dick & Ward, Jane | .2009 |
27
| 'Then' | Sport | Unknown | Dark-Green | Marginal | White | Unknown | Unknown | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
28
| 'Theodore Roosevelt' | Unknown | Large | Light-Green | | | Pale-Lavender | June to July | Sugita, Hajime & Ruh, Peter | .2001 |
29
| 'Thriller' | Unknown | Unknown | Blue/Green | Streaked | Speckles | Unknown | July to August | Mullin, Joy & Schwarz, Jim | .2015 |
30
| 'Tiki Bar' | TC Sport | Small | Dark-Green | Medial | Yellow | Light-Purple | July to August | Zilis, Mark & Solberg, Bob | .2022 |
31
| 'Time Tunnel' | TC Sport | Medium | Blue/Green | Marginal | Yellow | Near-White | June to July | Laviana, Marc & Malloy, Alex | .2001 |
32
| 'Timothy C. Morgan' | Unknown | Medium | Blue/Green | Medial | White | Pale-Lavender | July to August | Chamberlain, Steve | .2005 |
33
| 'Timothy J. Wright' | Unknown | Medium | Yellow | | | Med-Lavender | Unknown | Chamberlain, Steve | .2015 |
34
| 'To Dye For' | Unknown | Large | Light-Green | Medial | White | Near-White | July | Dye, Kay | .2017 |
35
| 'Tokudama American Green' | Hybrid | Medium | Dark-Green | | | Unknown | Unknown | Wade, Van | --NR-- |
36
| 'Tokudama Flavoplanata' | Sport | Medium | Blue/Green | Medial | Yellow | Near-White | June to July | Maekawa, Dr Fumio & The American Hosta Society | .1987 |
37
| 'Tom's Gothic Monument' | Unknown | Medium | Blue/Green | Streaked | Yellow | Unknown | Unknown | Ahrens, Thomas | --NR-- |
38
| 'Too Darn Hot' | Hybrid | Medium | Yellow | | | Near-White | July | Ward, Dr Dick & Ward, Jane | .2009 |
39
| 'Top Dog' | Hybrid | Medium | Yellow | | | Unknown | June to July | Ward, Dr Dick & Ward, Jane | .2009 |
40
| 'Top Hat and Tails' | Hybrid | Giant | Blue/Green | Streaked | Yellow | Med-Lavender | June to July | Elslager, Ed | .2005 |
41
| 'Top Shelf' | Nat-Sport | Medium | Blue/Green | Marginal | Yellow | Near-White | July to August | Solberg, Robert | --NR-- |
42
| 'Topsy-turvy' | Hybrid | Medium | Dark-Green | Streaked | White | Pale-Lavender | July | Elslager, Ed | .2000 |
43
| 'Tossed Salad' | Hybrid | Large | Dark-Green | | | Unknown | July to August | Vaughn, Kevin & Walek, Kevin & The American Hosta Society | .2009 |
44
| 'Toto' | Hybrid | Small | Med-Green | Marginal | White | Unknown | July to August | Ward, Dr Dick & Ward, Jane | .2009 |
45
| 'Toutatis' | Unknown | Small | Yellow | | | Unknown | June to July | Deckert, Emile & Deckert, Jane | .2004 |
46
| 'Towering Inferno Remembered' | Hybrid | Large | Blue/Green | Streaked | Yellow | Pale-Lavender | June to July | Elslager, Ed | .2001 |
47
| 'Toyo-no-omoide' | Hybrid | Large | Med-Green | | | Near-White | July | Nakayama, Toyozo & Lockwood, Mikky | .2018 |
48
| 'Transformer' | Unknown | Unknown | Dark-Green | Medial | White | Unknown | Unknown | Beilstein, Doug & Beilstein, Mardy | .2009 |
49
| 'Transitions' | Hybrid | Large | Med-Green | Marginal | Yellow | Med-Lavender | July to August | Dean, Don | .2016 |
50
| 'Trendsetter' | Hybrid | Medium | Med-Green | Marginal | White | Pale-Lavender | June to July | Hansen, Hans | .2019 |
51
| 'Triangulation' | Hybrid | Small | Med-Green | Marginal | White | Med-Lavender | June to July | Avent, Tony | .2012 |
52
| 'Trilogy' | Hybrid | Medium | Med-Green | Medial | Blue-Green | Pale-Lavender | June | Gilligan, Madelon | .2018 |
53
| 'Triple Play' | Unknown | Large | Blue/Green | | | Unknown | Unknown | Unknown | |
54
| 'Tropic Thunder' | Hybrid | Medium | Med-Green | Marginal | Yellow | Unknown | Unknown | Ward, Dr Dick & Ward, Jane | .2012 |
55
| 'True Heart' | Unknown | Giant | Blue/Green | | | Unknown | June to July to August | Schulz, Ed | .2013 |
56
| 'Tuff Howard' | Unknown | Medium | Dark-Green | | | Unknown | June to July | Freeman, Franc | .2010 |
57
| 'Turner Junction' | TC Sport | Large | Blue/Green | | | Near-White | June to July | Zilis, Mark | .2003 |
58
| 'Twilight Shimmer' | Hybrid | Large | Dark-Green | | | Pure-White | July | Lysne, Rod | .2021 |
59
| 'Twin Cities' | Nat-Sport | Giant | Blue/Green | Marginal | Yellow | Pale-Lavender | July | Wilhoite, Chris & Wilhoite, Cynthia | --NR-- |
60
| 'Typhoon' | Sport | Large | Med-Green | Marginal | Yellow | Unknown | June to July | Ward, Dr Dick & Ward, Jane | .2010 |
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