| Cultivar | Hybridizer | Year | Ht. | Sz | Season | Re | Fol. | Fr | Spd | tet | Color | Mark | Price | Remarks |
| Tahitian Torch | Reckamp | 1969 | 32 | 6.5 | ML | dor | t | pink-melon blend | 5 | |||||
| Tailspin | Wild | 1970 | 30 | 5.5 | M | dor | peach blend | gold throat | dsp | |||||
| Tanarama | Russell | 1960 | 24 | VL | dor | va | brown | dark rib | 5 | |||||
| Tangerine | Yeld | 1906 | 24 | E | y | dor | yellow | 8 | early splash of color | |||||
| Tartuffe | Dickerson | 1996 | 24 | 3 | M | dor | t | black purple | 15 | |||||
| Taruga | Stout | 1933 | 36 | EM | y | ev | yellow | veins | 8 | begets spiders; historic | ||||
| Tecus | Durio | 1976 | 25 | 7 | EM | y | s-ev | t | chrome yellow | rose halo | 5 | |||
| Temple Goddess | Munson RW | 1987 | 28 | 7 | EM | y | s-ev | t | salmon | 6 | ||||
| Temple Of Dawn | Salter J | 1995 | 26 | 5.5 | M | ev | t | lavender pink | 7 | robust and pretty | ||||
| Tetrina's Daughter | Fay | 1971 | 35 | 5 | M | s-ev | y | t | yellow | 6 | from tet H. citrina | |||
| Tetrina's Grandson | Saxton | 1995 | 60 | 4.5 | ML | y | dor | y | t | yellow | 10 | noc | ||
| Theron | Stout | 1934 | 30 | EM | y | dor | violet with red | 8 | the first dark red; historic | |||||
| Third Witch | Reed | 2003 | 44 | 6 | M | dor | va | dark purple red | dsp | |||||
| Thomas Tallis | Ware | 2000 | 52 | 5.5 | EM | dor | light yellow | 30 | great in a clump | |||||
| Thomas Wicke | Farris+ | 1969 | 36 | 8 | EM | ev | y | yellow-green | 6 | |||||
| Thumb Print | Peck | 1970 | 26 | 5 | M | dor | t | purple | bicolor | dsp | ||||
| Tickled Pink | Fass P | 1957 | 30 | M | dor | lavender pink | 5 | |||||||
| Tijuana | Wild | 1968 | 37 | 6.5 | M | y | dor | rose red | 5 | |||||
| Time Lord | Munson RW | 1983 | 30 | 6 | EM | y | ev | t | red | 5 | ||||
| Time Refreshing | Spalding WM | 1983 | 23 | 7.3 | M | ev | lemon blend | 8 | ||||||
| Tixie | Winniford E | 1974 | 19 | 3 | EM | s-ev | yellow | maroon eye | dsp | |||||
| Top Honors | Childs F | 1976 | 24 | 7.5 | M | y | s-ev | y | yellow | 5 | A.M. | |||
| Topper Miss | Hall D | 1967 | 24 | M | y | dor | light orange | 5 | ||||||
| Touch Of Gold | Spalding-Guill | 1986 | 14 | 6.5 | M | y | ev | gold | 5 | |||||
| Toy Circus | Mederer | 1982 | 20 | 3.3 | M | ev | red-yellow bicolor | 5 | ||||||
| Toyland | Reckamp | 1965 | 24 | 2 | M | dor | orange | 6 | Donn Fischer award | |||||
| Trahlyta | Childs F | 1982 | 30 | 6.5 | EM | y | dor | y | violet | purple eye | 8 | |||
| Treasure Hunt | Wild | 1979 | 18 | 6.5 | L | dor | t | pale orange | 5 | |||||
| Treasure Shores | Wild | 1979 | 38 | 6.5 | ML | dor | t | salmon pink | 6 | |||||
| Treeda | Branham | 1982 | 28 | 6 | ML | dor | va | yellow-green | 6 | |||||
| Tricorn | Ware | 2003 | 60 | 7 | EM | dor | orange bronze | red chevrons | 75 | 4 br, 25 buds | ||||
| Tropic Tangerine | Wild | 1964 | 34 | 6.5 | ML | dor | light orange | 5 | NOT Tropical Tangerine | |||||
| Tropical Freeze | Salter EH | 1994 | 22 | 3.3 | M | y | s-ev | t | near white | 15 | ||||
| Tuscawilla Bill Reed | Hansen | 1989 | 24 | 5 | EM | y | s-ev | y | beige | pink edge | 6 | noc | ||
| Twist Of Lemon | Brooks H | 1984 | 33 | 7 | EM | dor | t | pale lemon yellow | 8 | strong bloomer | ||||
| Two Part Harmony | Kaskel/Trimmer | 1996 | 34 | 4 | E | ev | dbl | t | straw yellow | wine eye | dsp | |||
| Tylwyth Teg | Whitacre | 1988 | 40 | 8 | M | s-ev | y | cream | lavender ribs | 12 | ||||
| Untamed | Terry | 1971 | 36 | 8 | EM | y | dor | y | y | red-orange | 8 | nice strong spider |