| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'A 1-A-Day Delight' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Near-White | June into July | Elslager, Ed | .2003 |
| 'A Big Splash' | Large | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | July | Elslager, Ed | .2004 |
| 'Abana' | Medium | Dark-Green | Medial | Yellow | Sport | - | July into August | Dupre, Dirk | .2010 |
| 'Abba Diane Reeck' | Medium | Dark-Green | Medial | White | Unknown | - | - | Aden, Paul & Zilis, Mark | .2010 |
| 'Abba Double Header' | Medium | Med-Green | Medial | White | Unknown | - | June into July | Aden, Paul & Zilis, Mark | .2010 |
| 'Abba Flower Mound' | Small | Med-Green | Medial | White | Unknown | - | - | Aden, Paul & Zilis, Mark | .2010 |
| 'Abba Fragrant Backscratcher' | Large | Med-Green | Marginal | White | Unknown | - | - | Aden, Paul & Zilis, Mark | .2010 |
| 'Abbey Road' | Medium | Dark-Green | Marginal | White | Unknown | - | June into July | Wasitis, Chick | .2014 |
| 'Abracadabra' | Medium | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Blake, Amanda | .2012 |
| 'Academy Dark Space' | Medium | Blue/Green | - | - | Sport | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Faux Sedge' | Small | Med-Green | - | - | Unknown | Light-Purple | July into August | Chamberlain, Steve | .2008 |
| 'Academy Golden Papoose' | Medium | Light-Green | - | - | Unknown | - | June into July | Chamberlain, Steve | .2004 |
| 'Academy Subtle Sally' | Small | Med-Green | Marginal | White | Unknown | Near-White | July | Chamberlain, Steve | .2015 |
| 'Admiral Halsey' | Large | Dark-Green | Marginal | White | Sport | Med-Lavender | June into July | Wasitis, Chick & Walek, Kevin | .2009 |
| 'After Midnight' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Solberg, Robert | .2009 |
| 'Ain't Misbehavin' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | August to October | Dalton, Jim & Dalton, Meg | .2012 |
| 'Alakazaam' | Small | Light-Green | Marginal | Yellow | Hybrid | Med-Lavender | July into August | Livingston, Ron | .2008 |
| 'All Bright' | Small | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Gilligan, Madelon | .2015 |
| 'All Jazzed Up' | Medium | Med-Green | Streaked | Yellow | Sport | Near-White | July into August | Powell, Loleta | .2000 |
| 'Allegan Peppermint' | Medium | Light-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Allegheny River' | Medium | Med-Green | - | - | Hybrid | Pure-White | August | Malloy, Alex | .2005 |
| 'Allegiance' | Medium | Med-Green | Marginal | White | Sport | Pale-Lavender | August | Helsley, Calvin | .2004 |
| 'Alma' | Small | Yellow | - | - | Unknown | Light-Purple | August | Krossa, Gus & Ruh, Peter | .1995 |
| 'Aloha' | Medium | Dark-Green | Marginal | Yellow | Sport | Pale-Lavender | August to September | Zilis, Mark & Schwarz, Jim | .2015 |
| 'Amber Glass' | Large | Yellow | - | - | TC Sport | Pale-Lavender | August | Anderson, Jim | --NR-- |
| 'American Gold Heart' | Large | Light-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'American Green Angel' | Large | Med-Green | - | - | Sport | Near-White | June into July | Wade, Van | --NR-- |
| 'American Piecrust' | Large | Med-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'American Starburst' | Small | Med-Green | Marginal | White | Sport | Med-Lavender | August | Wade, Van | --NR-- |
| 'Amigo' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Schwarz, Karen & Zilis, Mark | .2014 |
| 'Amime Tachi' | Medium | Med-Green | Streaked | Yellow | Sport | Light-Purple | August | Unknown | --NR-- |
| 'Anaconda' | Medium | Light-Green | - | - | Hybrid | Pale-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2015 |
| 'Andorian' | Small | Blue/Green | - | - | Unknown | Med-Lavender | - | Dupre, Dirk | .2009 |
| 'Andrew Dennis' | Large | Blue/Green | Marginal | White | Unknown | - | - | Weissenberger, Henry & Zilis, Mark | .2010 |
| 'Andrew Jackson' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2001 |
| 'Andrew's Moody Mom' | Medium | Blue/Green | - | - | Unknown | - | June into July | Wolfe, A. & Freeman, Franc | .2010 |
| 'Andromeda' | Small | Med-Green | Streaked | White | Hybrid | Near-White | June into July | Godfrey-Smith, Digs | .2015 |
| 'Andy Murray' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July into August | British Hosta and Hemerocallis Society & Solberg, Robert | .2013 |
| 'Angel Eyes' | Large | Med-Green | Streaked | Blue-Green | Sport | Near-White | June into July | Wasitis, Chick & Walek, Kevin | .2009 |
| 'Angel from Montgomery' | Medium | Med-Green | Marginal | Yellow | Unknown | - | June into July | Wasitis, Chick | .2014 |
| 'Angelica' | - | Med-Green | Medial | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'Anita' | Small | Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Graves, Butch | .2009 |
| 'Anna Mae' | Medium | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | - | Savory, Dennis | .2012 |
| 'Annabel Lee' | Medium | Dark-Green | - | - | Unknown | Light-Purple | - | Scheer, Alttara | --NR-- |
| 'Annie' | Small | Dark-Green | Marginal | Yellow | Unknown | - | July | Kulpa, John & Walek, Kevin | .2009 |
| 'Anthony' | Large | Yellow | Marginal | Blue-Green | TC Sport | Pale-Lavender | July | Zilis, Mark | .2011 |
| 'Aomori Sunrise' | Large | Green | Medial | Yellow | Sport | Light-Purple | July into August | Unknown | --NR-- |
| 'Apache' | Medium | Med-Green | Medial | Yellow | Sport | Med-Lavender | July into August | Wade, Van | --NR-- |
| 'Appalachian Spring' | Medium | Light-Green | - | - | Hybrid | Near-White | June into July | Malloy, Alex | .2004 |
| 'Appletini' | Small | Yellow | - | - | Hybrid | Light-Purple | August | Zilis, Mark | .2009 |
| 'Aquarius' | Medium | Light-Green | - | - | Hybrid | Med-Lavender | July | Husemann, Jim | .2009 |
| 'Arctic Sunset' | Medium | Light-Green | Streaked | Yellow | Sport | Med-Lavender | August to September | Ruh, Peter & Ruh, Jean | .2005 |
| 'Aries' | Medium | Dark-Green | Medial | Yellow | Sport | Pale-Lavender | July | Husemann, Jim | .2012 |
| 'Arlene Mae Savory' | Small | Blue/Green | Medial | White | Sport | Med-Lavender | June into July | Savory, Dennis | .2009 |
| 'Armani' | Large | Dark-Green | - | - | Hybrid | - | July into August | Van Eechaute, Danny | .2015 |
| 'Astral Bliss' | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Dean, Don | .2009 |
| 'At Attention' | Medium | Light-Green | - | - | Unknown | - | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'At Ease' | Large | Dark-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Atomic Needle' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | - | Livingston, Ron | --NR-- |
| 'Audrey's Island' | Medium | Light-Green | Medial | Yellow | Sport | - | June into July | Moore, Betty | .2016 |
| 'August Fire' | Medium | Blue/Green | Marginal | White | TC Sport | Light-Purple | August to September | Bergeron, Amy & Walters Gardens | .2008 |
| 'Aurora Spokes' | Small | Dark-Green | Marginal | Yellow | Unknown | - | - | O'Harra, Russ | --NR-- |
| 'Autumn Joy' | Large | Med-Green | - | - | Unknown | - | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Aventurine' | Medium | Blue/Green | - | - | Unknown | - | - | Seaver, Mildred | --NR-- |
| 'Azure Frills' | Medium | Blue/Green | - | - | Hybrid | Light-Purple | July into August | Zilis, Mark | .2010 |
| 'Azure Mediterranean' | Large | Med-Green | - | - | Unknown | Pale-Lavender | July into August | Helsley, Calvin | .1999 |
| 'Azure Waves' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July | Micheletti, Tom | .2011 |
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