| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Amethyst Joy' | Medium | Green | | - | Hybrid | - | July into August | Sugita, Hajime & Ruh, Peter | .2000 |
| 'Autumn Joy' | Large | Med-Green | | - | Unknown | - | August to September | Benedict, Dr R. (Herb) & Kuenster, Rod | .2010 |
| 'Cosmic Joy' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Kuenster, Rod | .2012 |
| 'Crinkled Joy' | Large | Blue/Green | | - | Unknown | Near-White | July | Unknown | --NR-- |
| 'Cup of Joy' | Medium | Yellow | | - | Hybrid | Near-White | July | Myers, Gary | .2011 |
| 'Daily Joy' | Large | Med-Green | | - | Hybrid | Pale-Lavender | July | Fisher, Eunice V. | .1972 |
| 'Dixie Joy' | Small | Med-Green | Streaked | Speckles | Hybrid | Pale-Lavender | August | Aden, Paul | .1983 |
| 'Gene's Joy' | Medium | Dark-Green | Medial | Yellow | Nat-Sport | Pale-Lavender | June into July | Zilis, Mark & AHS | .2010 |
| 'Green Joy' | Medium | Med-Green | | - | Unknown | - | - | Busse, Ainee | --NR-- |
| 'Jamboree Joy' | Small | Med-Green | Medial | Yellow | Hybrid | - | - | Hoover, Walt | --NR-- |
| 'Janet's Joy' | Large | Blue/Green | | - | Nat-Sport | Near-White | June into July | Keller, Robert | .2001 |
| 'Joy Adams' | Small | Yellow | | - | Unknown | - | - | Adams, Joy | --NR-- |
| 'Joy Ride' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July | Hansen, Hans & Walters Gardens. | --NR-- |
| 'Joy, Unspeakable Joy' | - | - | | - | Unknown | - | - | Unknown | --NR-- |
| 'Joybells' | Medium | Yellow | | - | Hybrid | Pale-Lavender | June into July | Minks, Eldren | .1980 |
| 'Joyce Lane' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July into August | Graves, Butch | .2017 |
| 'Joyce Trott' | Small | Blue/Green | Medial | Yellow | Hybrid | Pale-Lavender | July | Vaughn, Kevin | .1988 |
| 'Joyful' | Medium | Med-Green | Marginal | White | TC Sport | Light-Purple | July into August | Zilis, Mark | .2003 |
| 'Joyland' | Small | Med-Green | Streaked | Speckles | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'Judi's Joy' | Medium | Med-Green | Streaked | White | Nat-Sport | Med-Lavender | July into August | Frost, Judi | .2003 |
| 'King's Pride and Joy' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | King, Herb | --NR-- |
| 'Krinkled Joy' | Large | Blue/Green | | - | Hybrid | Near-White | June into July | Arett, Anne & Armstrong, Maxine & AHS | .1986 |
| 'Little Red Joy' | Small | Med-Green | | - | Hybrid | Pale-Lavender | August | Van Eechaute, Danny | .2004 |
| 'Love Joy' | Medium | Yellow | Marginal | White | Hybrid | Pale-Lavender | July | Aden, Paul | .1980 |
| 'Ode To Joy' | Small | Med-Green | | - | Nat-Sport | Near-White | July | Johnson, Greg | .2004 |
| 'Orange Joy' | Small | Yellow | | - | Hybrid | Light-Purple | July | Carpenter, Kate | .1979 |
| 'Paradise Joyce' | Medium | Blue/Green | Medial | Yellow | Nat-Sport | Pale-Lavender | July into August | Fransen, Marco | --NR-- |
| 'Pride and Joy' | Large | Blue/Green | Medial | Yellow | Nat-Sport | Pale-Lavender | July into August | Rawson, Don | .2010 |
| 'Summer Joy' | Large | Blue/Green | Medial | White | Nat-Sport | Pure-White | - | Klehm, Roy | .1998 |
| 'Surprised by Joy' | Small | Med-Green | Medial | White | Hybrid | Light-Purple | July | Malloy, Alex | .1998 |
| 'Tears of Joy' | Miniature | Light-Green | | - | Nat-Sport | Light-Purple | June into July | Black, Paul & Johnson, T. & Sebright Gardens | .2005 |
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