| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Tarnished Brass' | Large | Blue/Green | | | Nat-Sport | Med-Lavender | July into August | Lydell, Ran | --NR-- |
|
2
| 'Tawney' | Small | Yellow | | - | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
|
3
| 'Tea Biscuit' | Medium | Light-Green | | - | Unknown | Pure-White | July | Lydell, Ransom | --NR-- |
|
4
| 'Thunder Clouds' | Large | Blue/Green | | - | Unknown | Near-White | - | Lydell, Ransom | --NR-- |
|
5
| 'Tom Cat' | Small | Med-Green | Marginal | White | Unknown | Light-Purple | July into August | Lydell, Ransom | --NR-- |
|
6
| 'Tomcat' | Small | Blue/Green | Marginal | White | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
|
7
| 'Top Cat' | Small | Med-Green | Streaked | White | Hybrid | Unknown | - | Lydell, Ransom & Duback, Robyn | --NR-- |
|
8
| 'Touch of Flame' | Medium | Med-Green | Medial | White | Sport | Pale-Lavender | July | Lydell, Ransom | --NR-- |
|
9
| 'Traveler' | Small | Med-Green | Marginal | White | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
|
10
| 'Turnabout' | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Lydell, Ransom | .2001 |
|
11
| 'Turning Point' | Medium | Med-Green | | - | Sport | Pale-Lavender | August | Lydell, Ransom | --NR-- |
|
12
| 'Twist and Flip' | Small | Med-Green | Marginal | White | Unknown | Light-Purple | July | Lydell, Ransom | --NR-- |
|