| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Doctor Bill-Bob' | Large | Blue/Green | - | - | Unknown | Near-White | - | Seaver, Mildred & Walek, Kevin | .2009 |
| 'Doctor Bob' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Doctor Fu Manchu' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | September | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Doctor Reath' | Large | Blue/Green | Streaked | Yellow | Sport | Near-White | June into July | Reath, David & Ruh, Peter | .1997 |
| 'Doctor Yahr' | Large | Blue/Green | - | - | Unknown | - | - | Miller, Jeff & Wisconsin Hosta Society | --NR-- |
| 'Dr Bob' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Dr Jamison Harrison' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Dr John' | Large | Dark-Green | - | - | Unknown | Pure-White | July | Zolock, Steve & Zolock, Sarah | .2007 |
| 'Dr. Hale' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Unknown | --NR-- |
| 'Dr. Hirao Tetraploid' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Dr. Shuichi Hirao' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Rival Doctor' | Small | Med-Green | Streaked | White | Unknown | - | - | Malloy, Alex | --NR-- |
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