No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Ain't Misbehavin' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | August to October | Dalton, Jim & Dalton, Meg | .2012 |
2
| 'Don't Look Back' | Small | Med-Green | Streaked | Yellow | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2015 |
3
| 'Don't Touch My Junk' | Small | Med-Green | Streaked | Yellow | Unknown | - | June into July | Freeman, Franc | .2011 |
4
| 'Kiss Me Kwick and Don't Slobber' | Large | Light-Green | - | - | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
5
| 'She Don't Know She's Beautiful' | Large | Yellow | - | - | Unknown | - | June into July | Kwick, Charles | .2016 |
6
| 'Taj Mahal' | Large | Med-Green | Medial | White | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
7
| 'Tangerine' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | July | Elslager, Ed | .1998 |
8
| 'Tango Twist' | Large | Med-Green | Medial | Yellow | Sport | - | June into July | Silvers, Bill | .2012 |
9
| 'Tapestry' | Large | Dark-Green | Medial | White | Unknown | Pale-Lavender | June into July | Wasitis, Chick | .2021 |
10
| 'Tarantella' | Medium | Blue/Green | | - | Hybrid | Light-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2020 |
11
| 'Tarnished Brass' | Large | Blue/Green | | | Nat-Sport | Med-Lavender | July into August | Lydell, Ran | --NR-- |
12
| 'Taurus' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Husemann, Jim | .2009 |
13
| 'Teacher's Pet' | Medium | Blue/Green | Marginal | White | Hybrid | Near-White | June into July | Asch, Stuart | .2000 |
14
| 'Teltow Early Bells' | Small | Yellow | | | Unknown | Pale-Lavender | June into July | Entemann, Manfred | .2022 |
15
| 'Temple of Heaven' | Small | Med-Green | Medial | White | Hybrid | - | - | Ward, Dr Dick & Ward, Jane | .2012 |
16
| 'Temptation' | Giant | Blue/Green | Medial | White | Sport | Near-White | June | Cornitensis, Roger | .2020 |
17
| 'Temptress' (Asch) | Large | Med-Green | Streaked | Yellow | Unknown | | | Asch, Stuart | --NR-- |
18
| 'The Big Five-oh' | Giant | Dark-Green | - | - | Unknown | Near-White | June into July | Seaver, Charles | .2017 |
19
| 'The Bog' | Large | Med-Green | | | Unknown | | | Unknown | |
20
| 'The Duchess Dorothy' | Small | Light-Green | Marginal | White | Unknown | Pale-Lavender | June into July | Goodwin, Randy | .2019 |
21
| 'The Green Hornet' | Large | Med-Green | Streaked | Yellow | Hybrid | Pale-Lavender | July | Elslager, Ed | .2004 |
22
| 'The Leading Edge' | Giant | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2002 |
23
| 'The Mighty Koo Yai' | Giant | Dark-Green | | - | Hybrid | Med-Lavender | June into July | Kwick, Charles | .2019 |
24
| 'The Mighty Quinn' | Large | Blue/Green | Marginal | White | Sport | - | June into July | Solberg, Robert | --NR-- |
25
| 'The Moon Turned Blue' | Large | Blue/Green | | | Unknown | | | Ziarek, Ken | --NR-- |
26
| 'The Notorious RBG' | Large | Yellow | | | Hybrid | Pale-Lavender | July | Kwick, Charles | .2022 |
27
| 'The Seventh Son' | Large | Light-Green | | | Hybrid | Pale-Lavender | July into August | Kwick, Charles | .2022 |
28
| 'The Sun King' | Large | Yellow | - | - | Unknown | Near-White | July | O'Harra, Russ | .1999 |
29
| 'The Trophy Wife' | Giant | Yellow-Gold | | - | Hybrid | Med-Lavender | June into July | Fox, Bob & Fox, G. | .2019 |
30
| 'The Wall' | Giant | Blue/Green | - | - | Unknown | Near-White | July into August | Schulz, Ed | .2017 |
31
| 'Thelonius' | Medium | Blue/Green | - | - | Hybrid | Near-White | July into August | Ward, Dr Dick & Ward, Jane | .2009 |
32
| 'Then' | - | Dark-Green | Marginal | White | Sport | - | - | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
33
| 'Theodore Roosevelt' | Large | Light-Green | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2001 |
34
| 'Thriller' | - | Blue/Green | Streaked | Speckles | Unknown | - | July into August | Mullin, Joy & Schwarz, Jim | .2015 |
35
| 'Tiki Bar' | Small | Dark-Green | Medial | Yellow | TC Sport | Light-Purple | July into August | Zilis, Mark & Solberg, Bob | .2022 |
36
| 'Time Tunnel' | Medium | Blue/Green | Marginal | Yellow | TC Sport | Near-White | June into July | Laviana, Marc & Malloy, Alex | .2001 |
37
| 'Timothy C. Morgan' | Medium | Blue/Green | Medial | White | Unknown | Pale-Lavender | July into August | Chamberlain, Steve | .2005 |
38
| 'Timothy J. Wright' | Medium | Yellow | - | - | Unknown | Med-Lavender | - | Chamberlain, Steve | .2015 |
39
| 'To Dye For' | Large | Light-Green | Medial | White | Unknown | Near-White | July | Dye, Kay | .2017 |
40
| 'Tokudama American Green' | Medium | Dark-Green | - | - | Hybrid | - | - | Wade, Van | --NR-- |
41
| 'Tokudama Flavoplanata' | Medium | Blue/Green | Medial | Yellow | Sport | Near-White | June into July | Maekawa, Dr Fumio & The American Hosta Society | .1987 |
42
| 'Tom's Gothic Monument' | Medium | Blue/Green | Streaked | Yellow | Unknown | | | Ahrens, Thomas | --NR-- |
43
| 'Too Darn Hot' | Medium | Yellow | - | - | Hybrid | Near-White | July | Ward, Dr Dick & Ward, Jane | .2009 |
44
| 'Top Dog' | Medium | Yellow | - | - | Hybrid | - | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
45
| 'Top Hat and Tails' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Med-Lavender | June into July | Elslager, Ed | .2005 |
46
| 'Topsy-turvy' | Medium | Dark-Green | Streaked | White | Hybrid | Pale-Lavender | July | Elslager, Ed | .2000 |
47
| 'Tossed Salad' | Large | Dark-Green | - | - | Hybrid | - | July into August | Vaughn, Kevin & Walek, Kevin | .2009 |
48
| 'Toto' | Small | Med-Green | Marginal | White | Hybrid | - | July into August | Ward, Dr Dick & Ward, Jane | .2009 |
49
| 'Toutatis' | Small | Yellow | - | - | Unknown | - | June into July | Deckert, Emile & Deckert, Jane | .2004 |
50
| 'Towering Inferno Remembered' | Large | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2001 |
51
| 'Toyo-no-omoide' | Large | Med-Green | - | - | Hybrid | Near-White | July | Nakayama, Toyozo & Lockwood, Mikky | .2018 |
52
| 'Transformer' | - | Dark-Green | Medial | White | Unknown | - | - | Beilstein, Doug & Beilstein, Mardy | .2009 |
53
| 'Transitions' | Large | Med-Green | Marginal | Yellow | Hybrid | Med-Lavender | July into August | Dean, Don | .2016 |
54
| 'Trendsetter' | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | Hansen, Hans | .2019 |
55
| 'Triangulation' | Small | Med-Green | Marginal | White | Hybrid | Med-Lavender | June into July | Avent, Tony | .2012 |
56
| 'Trilogy' | Medium | Med-Green | Medial | Blue-Green | Hybrid | Pale-Lavender | June | Gilligan, Madelon | .2018 |
57
| 'Triple Play' | Large | Blue/Green | | | Unknown | | | Unknown | |
58
| 'Tropic Thunder' | Medium | Med-Green | Marginal | Yellow | Hybrid | - | - | Ward, Dr Dick & Ward, Jane | .2012 |
59
| 'True Heart' | Giant | Blue/Green | - | - | Unknown | - | June into August | Schulz, Ed | .2013 |
60
| 'Tuff Howard' | Medium | Dark-Green | - | - | Unknown | - | June into July | Freeman, Franc | .2010 |
61
| 'Turner Junction' | Large | Blue/Green | - | - | TC Sport | Near-White | June into July | Zilis, Mark | .2003 |
62
| 'Twilight Shimmer' | Large | Dark-Green | | | Hybrid | Pure-White | July | Lysne, Rod | .2021 |
63
| 'Twin Cities' | Giant | Blue/Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July | Wilhoite, Chris & Wilhoite, Cynthia | --NR-- |
64
| 'Typhoon' | Large | Med-Green | Marginal | Yellow | Sport | - | June into July | Ward, Dr Dick & Ward, Jane | .2010 |
|