| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Abby' | Small | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Ruh, Peter | .1990 |
| 'Abiqua Blue Madonna' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July | Walden West Nursery | .1988 |
| 'Abiqua Jim Dandy' | Miniature | Med-Green | - | - | Unknown | Pale-Lavender | July | Walden West Nursery & Walek, Kevin & The American Hosta Society | .2009 |
| 'Academy Streaked Francee' | Large | Dark-Green | Streaked | White | Sport | Med-Lavender | July into August | Chamberlain, Steve | --NR-- |
| 'Academy Subtle Sally' | Small | Med-Green | Marginal | White | Unknown | Near-White | July | Chamberlain, Steve | .2015 |
| 'Admiral Eve' | Medium | Blue/Green | | | Unknown | | | Moore, Jeff | --NR-- |
| 'Adrian K.' | - | Yellow | - | - | Unknown | - | - | Kohlein, Fritz | --NR-- |
| 'Adrian's Glory' | Medium | Light-Green | Marginal | Dark Green | Sport | Pale-Lavender | July into August | Van Hoorn, James | --NR-- |
| 'Ainsley' | Small | Med-Green | Streaked | White | Hybrid | Light-Purple | July | Malloy, Alex | --NR-- |
| 'Aladdin' | Small | Med-Green | Marginal | White | Hybrid | - | - | Beilstein, Doug | --NR-- |
| 'Aldonna Blue Eyes' | Large | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Alex' | Medium | Med-Green | Marginal | Yellow | Hybrid | - | July into August | Graves, Butch | .2008 |
| 'Alice Blue Gown' | Medium | Blue/Green | Streaked | Yellow | Hybrid | Light-Purple | July into August | Elslager, Ed | .2002 |
| 'Alice In Wonderland' | Medium | Yellow | Marginal | Green | Hybrid | Pale-Lavender | June into July | Malloy, Alex | .2001 |
| 'Alicia' | Miniature | Med-Green | - | - | Hybrid | - | - | Zumbar, Wm | --NR-- |
| 'Alison' | Large | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2000 |
| 'Aliyah's Grace' | Small | Light-Green | - | - | Hybrid | Light-Purple | July into August | Asch, Stuart | .2004 |
| 'Alley's Star' | Small | Med-Green | Medial | White | Nat-Sport | | | Van den Top, Jan | --NR-- |
| 'Alma' | Small | Yellow | - | - | Unknown | Light-Purple | August | Krossa, Gus & Ruh, Peter | .1995 |
| 'Alttara' | Medium | Yellow-Gold | | | Unknown | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Amalia' | Medium | Dark-Green | Medial | Yellow | Sport | Med-Lavender | June into July | Van den Top, Jan | --NR-- |
| 'Amazing Grace' | Medium | Med-Green | Marginal | White | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .1999 |
| 'Amazing Matthew' | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | June into July | Asch, Stuart | .2003 |
| 'Amber' | Large | Med-Green | Streaked | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'American Louigi' | Large | Blue/Green | Streaked | White | Sport | Near-White | June into July | Wade, Van | --NR-- |
| 'Amos' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Petryszyn, Olga | --NR-- |
| 'Amy Elizabeth' | Medium | Med-Green | Marginal | Greenish White | Sport | Pale-Lavender | July | Zilis, Mark | .2003 |
| 'Amy's Choice' | Medium | Med-Green | | | Hybrid | | | Frederking, Ann | --NR-- |
| 'Amy's Green' | Small | Med-Green | - | - | Unknown | Pale-Lavender | July | Wade, Van | .1999 |
| 'Amy's Hope' | Medium | Yellow | Marginal | White | Sport | Light-Purple | July | Snyder, Ron | .2000 |
| 'Andrew' | Large | Blue/Green | Medial | White | Sport | Near-White | June into July | Hansen, Hans | .2006 |
| 'Andrew's Bald' | Large | Blue/Green | Streaked | Yellow | Unknown | - | - | Moore, Jeff | --NR-- |
| 'Andrew's Moody Mom' | Medium | Blue/Green | - | - | Unknown | - | June into July | Wolfe, A. & Freeman, Franc | .2010 |
| 'Andy' | Medium | Blue/Green | - | - | Unknown | - | - | Goodwin, Randy | --NR-- |
| 'Angelica' | - | Med-Green | Medial | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'Angelique' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | Zumbar, Wm | --NR-- |
| 'Angelique Supreme' | Small | Med-Green | Streaked | White | Sport | Med-Lavender | - | Schwarz, Jim | --NR-- |
| '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 |
| 'Anna' | Medium | Light-Green | Marginal | White | Unknown | - | - | Heemskerk, Gerardus | --NR-- |
| 'Anna Mae' | Medium | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | - | Savory, Dennis | .2012 |
| 'Anna Rosemary' | Large | Dark-Green | Medial | Yellow | Unknown | - | - | Parks, David | --NR-- |
| 'Anna the Stripper' | Medium | Yellow | Streaked | Green | Unknown | - | July into August | Barger, Bill & Barger, Anna | .2016 |
| 'Annabel Lee' | Medium | Yellow | - | - | Unknown | Med-Lavender | July | Scheer, Alttara & The American Hosta Society | .2019 |
| 'Anne' | Medium | Med-Green | Marginal | Creamy Yellow | Sport | Pale-Lavender | June into July | Heemskerk, Gerardus | .2005 |
| 'Annie' | Small | Dark-Green | Marginal | Yellow | Unknown | - | July | Kulpa, John & Walek, Kevin & The American Hosta Society | .2009 |
| 'Ansly' | - | Med-Green | Marginal | Yellow | Unknown | - | - | Unknown | --NR-- |
| 'Anthony' | Large | Yellow | Marginal | Blue-Green | TC Sport | Pale-Lavender | July | Zilis, Mark | .2011 |
| 'Antoinette' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | July | Kuk, Bob | .2000 |
| 'Aphrodite' | Large | Med-Green | - | - | Sport | Pure-White | August to October | Maekawa, Dr Fumio & Schmid, W. George & Walek, Kevin & The American Hosta Society | .2009 |
| 'Apple Jack' (Benedict) | Medium | Blue/Green | - | - | Hybrid | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'April Storm' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Archangel Michael' | Miniature | - | - | - | Unknown | - | - | Willetts, Jesse | --NR-- |
| 'Artrishia' | Small | Yellow | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Asher' | Large | Blue/Green | - | - | Hybrid | Near-White | July into August | Kwick, Charles | .2017 |
| 'Astella' | | | | | Unknown | | | Unknown | |
| 'Athena' | Medium | Med-Green | Streaked | White | TC Sport | Pure-White | August | Hird, Bob | .2005 |
| 'Atomic Elvis Blue' | Medium | Blue/Green | - | - | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Audra's Expectations' | Medium | Blue/Green | Medial | White | TC Sport | Pure-White | June into July | Wilson, Audra | --NR-- |
| 'Audrey' | Small | Med-Green | - | - | Unknown | Light-Purple | July | Johnson, Irwin | --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-- |
| 'Augustus' | Medium | Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Tylinski, Stan & Malloy, Alex | .2003 |
| 'Aunt Bea' (Kuenster) | Small | Med-Green | Streaked | Speckles | Hybrid | Pale-Lavender | July | Kuenster, Rod | .2007 |
| 'Aunt Margaret's' | Large | Dark-Green | - | - | Unknown | Light-Purple | July | Soper, Jim | --NR-- |
| 'Aunt Polly's Paddle' | Large | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | McDonell, Harold | .2021 |
| 'Aunt Saphrona' | Medium | Blue/Green | - | - | Unknown | Near-White | July | Tompkins, Cynthia | --NR-- |
| 'Auntie Anne' | Giant | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Balitewicz, Bob | --NR-- |
| 'Auntie Lucille' | Large | Light-Green | - | - | Unknown | - | - | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'Ava Ann' | Medium | Yellow | | - | Unknown | Pale-Lavender | June into July | Heinz, Jim | .2020 |
| 'Avery Angel' | Medium | Yellow | Marginal | White | Unknown | Pure-White | July into August | Tiffany, Barbara | .2005 |
| 'Ayesha' | Medium | Med-Green | Medial | Yellow | TC Sport | Pale-Lavender | July into August | Van den Top, Jan | --NR-- |
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