| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Don't Touch My Junk' | Small | Med-Green | Streaked | Yellow | Unknown | - | June into July | Freeman, Franc | .2011 |
| 'Temptress' | Large | Med-Green | Medial | Yellow | Nat-Sport | Med-Lavender | July into August | Hicks, Gerry | .2017 |
| 'Terminator' | - | Blue/Green | Streaked | Yellow | Unknown | - | - | Elslager, Ed | .2003 |
| 'To the Point' | Medium | Med-Green | - | - | Unknown | - | July into August | Schmidt, Jon | .2015 |
| 'Tom Boy' | Medium | Yellow | - | - | Unknown | - | June into July | Benedict, Dr R. (Herb) & Dorothy & Kuenster, Rod | .2010 |
| 'Top of the Mornin' | Medium | Yellow | - | - | Hybrid | Med-Lavender | August to September | Dean, Don | .2017 |
| 'Toutatis' | Small | Yellow | - | - | Unknown | - | June into July | Deckert, Emile & Jane | .2004 |
| 'True Heart' | Giant | Blue/Green | - | - | Unknown | - | June into August | Schulz, Ed | .2013 |
| 'Tuff Howard' | Medium | Dark-Green | - | - | Unknown | - | June into July | Freeman, Franc | .2010 |
| 'Tweety Bird' | Small | Yellow | - | - | Unknown | - | June into July | Schwarz, Jim | .1997 |
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