| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'James' | Large | Yellow | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'James A. Garfield' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Buchanan' | Small | Light-Green | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Knox Polk' | Giant | Light-Green | - | - | Unknown | - | - | Ruh, Peter & Ruh, Jean | .2010 |
| 'James Madison' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to October | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Monroe' | Medium | Yellow | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James River' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Beilstein, Doug & Malloy, Alex | .2005 |
| 'Jesse James' | Medium | Dark-Green | Marginal | Yellow | Sport | Med-Lavender | July into August | Stark, Dean | --NR-- |
| 'John James' | Large | Dark-Green | - | - | Unknown | Pure-White | July into August | Zolock, Steve & Zolock, Sarah | .2007 |
| 'King James' | Large | Med-Green | - | - | Hybrid | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1992 |
| 'Nicholas James' | Medium | Yellow | - | - | Unknown | Pure-White | June | Banyai, Pauline & Elslager, Ed | .1999 |
| 'St. James Place' | Small | Med-Green | Streaked | Speckles | Hybrid | - | - | Malloy, Alex | --NR-- |
| zz Dr Jameson Harrison Totals | | | | | | | | Harrison, Dr Jamison | |
|