| Cultivar | Hybridizer | Year | Ht. | Sz | Season | Re | Fol. | Fr | Spd | tet | Color | Mark | Price | Remarks |
| J. A. Crawford | Betscher | 1929 | 48 | M | y | ev | y | light yellow-orange | 8 | historic | ||||
| J. R. Mann | Betscher | 1932 | 42 | M | ev | yellow-orange | 7 | historic | ||||||
| Jack's High-Rise | Oakes/J Cout | 1988 | 47 | 5.5 | EM | dor | mauve/peach bicolor | lavender eye | 12 | |||||
| Jamaican Drum | Reckamp | 1974 | 32 | 7 | M | y | dor | t | pink-orange | edge | 8 | |||
| Jamie Douglas | Peck | 1967 | 26 | 7 | L | dor | t | yellow | 5 | |||||
| Jane Angus | Farris | 1965 | 20 | 5.5 | EM | y | ev | y | yellow gold | purple eye | 5 | |||
| Jane Bennet | Ware | 2003 | 36 | 4.6 | EM | y | dor | vfr | lavender bitone | darker eye | 30 | can get 45 buds per scape | ||
| Janice Brown | Brown EC | 1986 | 21 | 4.3 | EM | s-ev | pink | rose eye | 8 | S.M. | ||||
| Jan's Twister | Joiner J | 1991 | 28 | 11.5 | EM | y | ev | uf | peach | 8 | ||||
| Javanese Jewel | Carpenter J | 2001 | 18 | 5 | M | y | ev | y | pink | rose eye | dsp | |||
| Jay | Warner L | 1973 | 24 | 5.5 | M | y | dor | t | red | pink rib | 6 | |||
| Jedi Dot Pierce | Wedgeworth | 1988 | 20 | 6.1 | EM | y | s-ev | y | rose pink | dark rose eye | 6 | big garden impact | ||
| Jen Melon | Oakes | 1987 | 26 | 5 | ML | y | s-ev | vf | melon cream self | green throat | dsp | |||
| Jenny Sue | Hall D | 1967 | 24 | 8.5 | ML | y | dor | light peach pink | 5 | |||||
| Jersey Spider | Grovatt | 1973 | 46 | 8 | ML | y | dor | va | gold-orange | 6 | huge; excellent presence | |||
| Jessica Lillian | Childs F | 1980 | 26 | 6.5 | EM | y | dor | purple | darker eye | 8 | ||||
| Jim Lucas | Kent | 1968 | 28 | 6 | EM | ev | va | red bitone | 8 | |||||
| Jimelyn | Alexander | 1972 | 30 | 6 | M | dor | tangerine | darker throat | 8 | |||||
| Jimmie Kilpatrick | Munson RW | 1964 | 28 | 5 | EM | y | ev | rose pink blend | 8 | A.M. | ||||
| Jim's Pick | Wild | 1975 | 34 | 6 | EM | dor | pink-orange | yellow center | 5 | striking in clump | ||||
| Jo Barbre | Holman | 1974 | 23 | 5.5 | M | s-ev | yellow | double | 5 | |||||
| Jo Weiss | Holman | 1967 | 26 | 7 | EM | y | ev | y | pink | green eye | 6 | lovely pattern in clump | ||
| Joan Senior | Durio | 1977 | 25 | 6 | EM | y | ev | white | 6 | Lenington Award | ||||
| John Henry Reeves | Ware | 2009 | 26 | 4.3 | M | dor | black purple | darker eye | 25 | dark green throat | ||||
| Jolly Hearts | Peck | 1977 | 24 | 5.5 | EM | y | dor | t | cherry red | 8 | ||||
| Jolyene Nichole | Spalding | 1986 | 18 | 6 | M | y | ev | rose blend | 8 | |||||
| Jomico | Whatley | 1968 | 30 | 5.5 | E | dor | light yellow | 6 | A.M. | |||||
| Jovial | Gates L | 1986 | 20 | 5 | E | y | s-ev | y | t | red | 8 | |||
| Joy Russell | Russell | 1942 | 60 | E | y | ev | light yellow | 8 | ||||||
| Joyful Journey | Maxwell T | 1974 | 24 | 7 | EM | y | s-ev | y | light lavender | 6 | ||||
| Joyful Occasion | Spalding W | 1976 | 20 | 5.8 | M | ev | pink | 5 | ||||||
| Juanita Hammond | Wild | 1964 | 36 | 4 | M | dor | red | 5 | taller & earlier here | |||||
| Judge Orr | Orr | 1939 | 24 | E | y | dor | yellow | dsp | ||||||
| Judith Steadman | Childers | 1991 | 30 | 5.5 | M | dor | y | t | red | rose halo | 20 | stunning in a clump | ||
| Judith Weston | Gates L | 1989 | 20 | 6 | E | y | s-ev | y | yellow | 10 | lovely pure color | |||
| Jug Of Wine | Wild | 1972 | 34 | 5 | EM | dor | deep maroon | gold center | 5 | |||||
| Juggler | Tankesley-Cl | 1999 | 40 | 8 | M | s-ev | va | lemon yellow | tawny eye | 35 | ||||
| Julia's Choice | Wall | 1986 | 28 | 6.5 | M | ev | near white | 8 | ||||||
| Julie Fassett | Bergles | 1969 | 28 | 7.5 | M | dor | y | red | 6 | noc | ||||
| June Love | Hall D | 1967 | 28 | 6 | EM | dor | light orange | gold center | 5 | |||||
| Jungle Beauty | Apps | 1990 | 30 | 5.5 | M | dor | black red | black eyez | dsp | |||||
| Just For You | Wild | 1976 | 26 | 7.5 | ML | dor | orange cream | pink rib | 5 | |||||
| Just Perfect | Terry | 1976 | 30 | 5.5 | M | y | dor | gold-pink blend | 5 |
