| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Dahlonega' | Large | Yellow | - | - | Hybrid | Pale-Lavender | June into July | McDonell, Harold | .2014 |
| 'Dalton's Pick' | Medium | Yellow | - | - | Unknown | Pale-Lavender | June into July | Terpening, Kent | .2005 |
| 'Dandy Randy' | Large | Dark-Green | - | - | TC Sport | Pale-Lavender | July | Asch, Stuart | .2004 |
| 'Darkside' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Ward, Dr Dick & Jane | --NR-- |
| 'Dauntless' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Ruh, Peter | .2002 |
| 'Deep Waters' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Dean, Don | .2014 |
| 'Desert Sun' | Medium | Yellow | - | - | Unknown | - | - | Stark, Dean | --NR-- |
| 'Doctor Yahr' | Large | Blue/Green | - | - | Unknown | - | - | Miller, Jeff & Wisconsin Hosta Society | --NR-- |
| 'Don's Gator Hide' | Large | Med-Green | - | - | Unknown | Med-Lavender | July into August | Rawson, Don | .2016 |
| 'Dorothy's Brother' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Benedict, Dr Ralph (Herb) | --NR-- |
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