| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Big Bad John' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2005 |
| 'Big John' | Giant | Med-Green | - | - | Hybrid | Near-White | June into July | Owens, Clarence | .1986 |
| 'Big John's Brother' | Giant | Blue/Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Big John's Gold' | Large | Yellow | - | - | Nat-Sport | - | - | Unknown | --NR-- |
| 'Charlie John' | - | - | - | - | Unknown | - | - | Hatfield, Handy | --NR-- |
| 'Colesburg Tyler John' | Medium | Med-Green | Streaked | White | Unknown | Light-Purple | July | Hackbarth, Robert | --NR-- |
| 'Dr John' | Large | Dark-Green | - | - | Unknown | Pure-White | July | Zolock, Steve & Sarah | .2007 |
| 'Joanne Johnson' | Medium | Blue/Green | - | - | Unknown | Near-White | August | Johnson, Irwin | .1999 |
| 'John Adams' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'John Arva' | Large | Med-Green | - | - | Hybrid | Light-Purple | July into August | Zolock, Steve & Sarah | .2007 |
| 'John D. Barnot' | Large | Med-Green | - | - | Unknown | Med-Lavender | July into August | Zolock, Steve & Sarah | .2008 |
| 'John Deere Green and Yellow' | Medium | Dark-Green | Marginal | Yellow | Unknown | - | August to September | Freeman, Franc | .2010 |
| 'John Denver' | Medium | Blue/Green | - | - | Hybrid | Near-White | June | Brill, Kirk | --NR-- |
| 'John Diamond' | Medium | Dark-Green | - | - | Unknown | - | June into August | Zolock, Steve & Sarah | .2009 |
| 'John Elsley' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'John Henry' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
| 'John Henry's Shadow' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Livingston, Ron | --NR-- |
| 'John James' | Large | Dark-Green | - | - | Unknown | Pure-White | July into August | Zolock, Steve & Sarah | .2007 |
| 'John Jay' | Medium | Med-Green | - | - | Unknown | - | - | Malloy, Alex | --NR-- |
| 'John Kulpa' | Medium | Dark-Green | Medial | Yellow | Nat-Sport | Near-White | July into August | Kulpa, John | .1999 |
| 'John Luke Picard' | Large | Yellow | - | - | Nat-Sport | Near-White | June into July | Brill, Kirk | --NR-- |
| 'John Metzgar' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | July | Zolock, Steve & Sarah | .2004 |
| 'John Q. Adams' | Giant | Yellow | - | - | Unknown | Pale-Lavender | July | Ruh, Peter & Jean | .2003 |
| 'John Tyler' | Large | Blue/Green | - | - | Unknown | Light-Purple | July | Ruh, Peter & Zilis, Mark | .2011 |
| 'John Wargo' | Medium | Light-Green | - | - | Hybrid | Light-Purple | July | Weissenberger, Henry | .1986 |
| 'John Wells' | Small | Med-Green | Streaked | White | Hybrid | Pale-Lavender | June into July | Zolock, Steve & Sarah | .2002 |
| 'Johnnie Walker Red' | - | Med-Green | - | - | Unknown | - | - | Van Ostrand, John | --NR-- |
| 'Johnny Angel' | Large | Yellow | - | - | Unknown | Near-White | June into July | Asch, Stuart | .2003 |
| 'Johnny Oh' | Small | Med-Green | Marginal | Yellow | Nat-Sport | Med-Lavender | July into August | Orlando, John | .2003 |
| 'Johnson's Olympic Gold' | Small | Yellow | - | - | Hybrid | - | June into July | Freeman, Franc & Sally | .2008 |
| 'King John' | Giant | Blue/Green | - | - | Hybrid | - | July into August | Schwarz, Jim | .2010 |
| 'Little John' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Schwarz, Jim | .2000 |
| 'Longjohn' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Woodford, R. | .2000 |
| 'Princess Johnnie' | Small | Med-Green | Medial | White | Hybrid | Pale-Lavender | August | Stygall, Patsy | .2007 |
| 'Rosedale John Stratton' | Medium | Blue/Green | - | - | Hybrid | - | - | Hadrava, Jerry | .1999 |
| 'St. John' | Medium | Dark-Green | - | - | Unknown | Deep-Purple | - | Scroggy, Ian | --NR-- |
| 'Tyler John' | Large | Blue/Green | Streaked | Yellow | Unknown | Near-White | July into August | Hackbarth, Robert | .2015 |
| 'Uncle John' | Medium | Blue/Green | - | - | Hybrid | Near-White | July | Nyikos, Frank | .2000 |
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