| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'A Dash of Lemon' | Medium | Light-Green | Marginal | Yellow | Unknown | Pale-Lavender | June into July | Walker, O. & Potts, C. | .2020 |
| '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 Fragrant Backscratcher' | Large | Med-Green | Marginal | White | Unknown | - | - | Aden, Paul & Zilis, Mark | .2010 |
| 'Abba Fragrant Sentry' | Medium | Med-Green | Marginal | White | Unknown | - | - | Aden, Paul | --NR-- |
| 'Abba Showtime' | Medium | Med-Green | Marginal | Creamy White | Hybrid | Pure-White | July into August | Aden, Paul | --NR-- |
| 'Abiqua Jim Dandy' | Miniature | Med-Green | - | - | Unknown | Pale-Lavender | July | Purtymun, Charles & Walek, Kevin | .2009 |
| 'Academy Aureate Piffle' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Chamberlain, Steve | .2006 |
| 'Academy Beech Leaf Stack' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Chamberlain, Steve | .2015 |
| 'Academy Blushing Chartreuse' | Small | Med-Green | Marginal | Yellow | Sport | Near-White | June into July | Chamberlain, Steve | .2009 |
| 'Academy Dark Space' | Medium | Blue/Green | - | - | Sport | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Gilded Dawn' | Large | Yellow | - | - | Hybrid | Pale-Lavender | July into August | Chamberlain, Steve | .2008 |
| 'Academy Green Bid Paddles' | Large | Dark-Green | - | - | Hybrid | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Lime Vuvuzela' | Giant | Light-Green | - | - | Sport | Med-Lavender | - | Chamberlain, Steve | .2015 |
| 'Academy Live Vuvuzela' | Giant | Light-Green | - | - | Sport | Pale-Lavender | June into July | Chamberlain, Steve | .2015 |
| 'Academy Purple Orb' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Rumpled Beast' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Soaring Rugosity' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Subtle Sally' | Small | Med-Green | Marginal | White | Unknown | Near-White | July | Chamberlain, Steve | .2015 |
| 'Academy Yellow Vuvuzela' | Large | Yellow | - | - | Unknown | Pale-Lavender | July | Chamberlain, Steve | .2015 |
| 'Ace Bill Wundram' | Medium | Dark-Green | Marginal | Yellow | Unknown | - | June into July | Freeman, Franc & Freeman, Sally | .2008 |
| 'Ada Robinson' | Medium | Dark-Green | Marginal | White | Unknown | Near-White | June into July | Goodwin, Randy | .2018 |
| 'Age of Gold' | Large | Yellow-Gold | - | - | Hybrid | Near-White | July into August | Hansen, Hans & Walters Gardens | .2018 |
| 'Ahhhs' | Medium | Blue/Green | - | - | TC Sport | Pale-Lavender | July into August | Mortko, Rob | --NR-- |
| 'Ain't Misbehavin' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | August to October | Dalton, Jim & Dalton, Meg | .2012 |
| 'Alabama Bowl' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Suggs, Natalee | .1986 |
| 'Alakazaam' | Small | Light-Green | Marginal | Yellow | Hybrid | Med-Lavender | July into August | Livingston, Ron | .2008 |
| 'Alex' | Medium | Med-Green | Marginal | Yellow | Hybrid | - | July into August | Graves, Butch | .2008 |
| 'Alien Fingers' | Small | Med-Green | Streaked | Yellow | Sport | - | - | Van Eechaute, Danny | --NR-- |
| 'Alien Technology' | Medium | Med-Green | - | - | Unknown | Light-Purple | July into August | Livingston, Ron | --NR-- |
| 'Allen C. Haskell' | Large | Dark-Green | Streaked | Yellow | Unknown | Pale-Lavender | July | Seaver, Mildred & Walek, Kevin | .2009 |
| 'Allo, Allo, Allo' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2017 |
| 'Almost Heaven' | Medium | Dark-Green | Medial | White | Unknown | - | July into August | Beilstein, Doug & Beilstein, Mardy | .2012 |
| 'Aloha' | Medium | Dark-Green | Marginal | Yellow | Sport | Pale-Lavender | August to September | Zilis, Mark & Schwarz, Jim | .2015 |
| 'Always and Forever' | Medium | Dark-Green | Marginal | White | Unknown | Near-White | June into July | Goodwin, Randy | .2017 |
| 'Amagi Nishiki' | Small | Med-Green | Medial | Yellow | Sport | Light-Purple | September | Sugita, Hajime | --NR-- |
| 'Amagi-kintoki' | Small | Yellow | Marginal | Green | Hybrid | Light-Purple | September | Sugita, Hajime | --NR-- |
| 'Amazone' | Medium | Dark-Green | Medial | White | Sport | Med-Lavender | July into August | Heemskerk, Gerardus | .2018 |
| 'Amigo' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Schwarz, Karen & Zilis, Mark | .2014 |
| 'An Arrow for Easton' | Miniature | Med-Green | Marginal | White | Unknown | - | - | Goodwin, Randy | .2014 |
| 'Andrew's Moody Mom' | Medium | Blue/Green | - | - | Unknown | - | June into July | Wolfe, A. & Freeman, Franc | .2010 |
| 'Andy Taylor' | Small | Med-Green | - | - | Hybrid | Near-White | July | Avent, Tony | .1993 |
| 'Angel from Montgomery' | Medium | Med-Green | Marginal | Yellow | Unknown | - | June into July | Wasitis, Chick | .2014 |
| 'Angie's Dimples' | Large | Dark-Green | - | - | Sport | - | August to September | Milbradt, Marc | .2009 |
| 'Anita' | Small | Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Graves, Butch | .2009 |
| 'Aomori Select' | Medium | Green | - | - | Sport | Light-Purple | July into August | Zilis, Mark | .2009 |
| 'Aphrodite' | Large | Med-Green | - | - | Sport | Pure-White | August to October | Maekawa, Dr Fumio & Schmid, W. George & Walek, Kevin | .2009 |
| 'Appalachian Spring' | Medium | Light-Green | - | - | Hybrid | Near-White | June into July | Malloy, Alex | .2004 |
| 'Appletini' | Small | Yellow | - | - | Hybrid | Light-Purple | August | Zilis, Mark | .2009 |
| 'Applique' | Small | Med-Green | Marginal | White | Unknown | Near-White | July into August | Jones, C.L. | .2016 |
| 'Armani' | Large | Dark-Green | - | - | Hybrid | - | July into August | Van Eechaute, Danny | .2015 |
| 'Aroma of Arbutus' | Medium | Light-Green | - | - | Unknown | Pure-White | August to September | Kwick, Charles | .2016 .2018 |
| 'Aspiring Angel' | Miniature | Yellow | - | - | Hybrid | Light-Purple | July into August | Kwick, Charles | .2019 |
| 'Athletic Event' | Medium | Med-Green | Marginal | White | Sport | - | July into August | Nyikos, Frank | .2008 |
| 'Atomic Mama' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Audrey's Island' | Medium | Light-Green | Medial | Yellow | Sport | - | June into July | Moore, Betty | .2016 |
| 'Audrey's Light' | Miniature | Yellow | - | - | Sport | Med-Lavender | August | Green Mountain Hosta | --NR-- |
| 'August Beauty' | Large | Dark-Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Warmerdam, Piet & Walek, Kevin | .2009 |
| 'August Moon Green' | Large | Med-Green | - | - | Sport | Pale-Lavender | July into August | Wade, Van | --NR-- |
| 'Augustus' | Medium | Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Tylinski, Stan & Malloy, Alex | .2003 |
| 'Aunt Polly's Paddle' | Large | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | McDonell, Harold | .2021 |
| 'Autumn Fire' | Large | Yellow | - | - | Unknown | - | - | Duncan, Mary Jo | .2014 |
| 'Autumn Joy' | Large | Med-Green | - | - | Unknown | - | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Avocado Toast' | Small | Dark-Green | Marginal | Yellow | Sport | Light-Purple | July into August | Solberg, Robert | .2020 |
| 'Awe Snap' | Large | Med-Green | Marginal | White | Sport | Pure-White | July into August | Giese, M. & Giese, K. | .2019 |
| 'Awesome' | Miniature | Med-Green | - | - | Hybrid | Light-Purple | July | Benedict, Dr Ralph (Herb) | .1999 |
| 'Azure Waves' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July | Micheletti, Tom | .2011 |
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