| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Dan Patch' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | August to September | Savory, Dennis | .2012 |
| 'Dancing Flame' | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | July into August | Jones, Leonard | .2006 |
| 'Dancing in the Dark' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | August to October | Dalton, Jim & Dalton, Meg | .2012 |
| 'Daredevil' | Large | Blue/Green | Marginal | White | TC Sport | Pale-Lavender | June into July | Zilis, Mark | .2011 |
| 'Dave' | Medium | Yellow | Marginal | Green | Sport | Pale-Lavender | June into July | Kuk, Bob | .2011 |
| 'Day Watch' | Large | Light-Green | Marginal | Yellow | Sport | Med-Lavender | July into August | Trucks, Gary | --NR-- |
| 'Deceiver' | Medium | Light-Green | Streaked | Yellow | Hybrid | Pale-Lavender | July | Asch, Stuart | .2003 |
| 'Decorata' | Medium | Dark-Green | Marginal | White | Unknown | Deep-Purple | July into August | Bailey, Liberty Hyde & The American Hosta Society | .2001 |
| 'Deep Space Nine' | Large | Med-Green | Marginal | Yellow | TC Sport | Pale-Lavender | July into August | Zilis, Mark | .2010 |
| 'Deep Waters' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Dean, Don | .2014 |
| 'Delicious' | Medium | Med-Green | Marginal | White | Sport | Light-Purple | August | Zilis, Mark | .2012 |
| 'Delta Force' | Medium | Med-Green | Streaked | Speckles | Sport | Near-White | June into July | Vaughn, Kevin | --NR-- |
| 'Density' | Large | Blue/Green | - | - | Unknown | Near-White | July | Minks, Eldren | .1990 |
| 'Desert Gold' | Small | Yellow | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Devastator' | Large | Yellow | - | - | Hybrid | Pale-Lavender | August to September | Livingston, Ron & Asch, Stuart | .2009 |
| 'Devil's Delight' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Danik, Robert | .2013 |
| 'Devon Blue' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & Bowden, Roger & Bowden, Ann | .1988 |
| 'Dewline' | Large | Med-Green | Marginal | White | Unknown | Pale-Lavender | June into July | Tompkins, Chet & Ruh, Peter | .2002 |
| 'Diablo' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Dalton, Jim & Dalton, Meg | .2012 |
| 'Diane Gray Dalton' | Medium | Dark-Green | Streaked | White | Unknown | Med-Lavender | July | Seaver, Mildred & Walek, Kevin | .2009 |
| 'Dinner Mint' | Small | Yellow | Marginal | Dark Green | TC Sport | Light-Purple | August | Zilis, Mark | .2011 |
| 'Dixie Queen' | Small | Med-Green | - | - | Hybrid | Pale-Lavender | July | Savory, Robert | .1982 |
| 'Dogtown Little Squiggles' | Small | Med-Green | - | - | Unknown | - | - | Klotz, Ruby | --NR-- |
| 'Donna' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | Graves, Butch | .2011 |
| 'Doreen' | Small | Light-Green | - | - | Unknown | Light-Purple | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2009 |
| 'Dover Downs' | Large | Blue/Green | Streaked | Yellow | Hybrid | - | - | Goodenough, Rick | --NR-- |
| 'Downright Upright' | Small | Med-Green | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Dragon Slayer' | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | Dalton, Jim & Dalton, Meg | .2012 |
| 'Drake's Tail' | Medium | Blue/Green | - | - | Unknown | Near-White | - | Black, Gwen | --NR-- |
| 'Drama Queen' (Wasitis) | Large | Med-Green | Marginal | White | Unknown | - | June into July | Wasitis, Chick | .2011 |
| 'Dream Catcher' | Large | Dark-Green | Marginal | White | Hybrid | - | June into July | Asch, Stuart | .2009 |
| 'Dream On' | Medium | Dark-Green | Medial | White | Sport | Pale-Lavender | June | Ward, Dr Dick & Ward, Jane | .2013 |
| 'Drew's Standard' | Small | Dark-Green | Marginal | White | Unknown | - | July | Goodwin, Randy | .2009 |
| 'Drill Baby Drill' | Small | Med-Green | Streaked | Yellow | Unknown | - | July into August | Freeman, Franc | .2012 |
| 'Duane's Song' | Small | Yellow | - | - | Unknown | - | June into July | Blake, Amanda | .2012 |
| 'Dumbo' (Savory) | Giant | Blue/Green | - | - | Unknown | Light-Purple | June into July | Savory, Dennis | .2007 |
| 'Dwarf Form' | Miniature | Med-Green | - | - | Sport | Pale-Lavender | June into July | Benedict, Dr Ralph (Herb) | --NR-- |
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