| Hybrid Hostas | Parent | Plant Size | Leaf Color | Variegation | Var Color | Flower Color | Season | Source | Registered |
| 'A 1-A-Day Delight' | 'Jim Wilkins' | Giant | Blue/Green | Streaked | Yellow | Near-White | June into July | Elslager, Ed | .2003 |
| 'A B-1 Bomber' | 'Sea Prize' | Large | Dark-Green | Streaked | Yellow | Pale-Lavender | July into August | Elslager, Ed | .2002 |
| 'A Big Splash' | 'Dorothy Benedict' | Large | Blue/Green | Streaked | Yellow | Pale-Lavender | July | Elslager, Ed | .2004 |
| 'A Blue Streak' | 'Dorothy Benedict' | Large | Dark-Green | Streaked | Greenish Yellow | - | - | Elslager, Ed | .2001 |
| 'A Dog of Flanders' | 'Katsuragawa Beni' | Medium | Med-Green | - | - | - | - | Philips, Hugo | .2010 |
| 'A Lady in Blue' | 'William Lachman' | Medium | Blue/Green | Marginal | Yellow | Pale-Lavender | July | Elslager, Ed | .2004 |
| 'A Many-splendored Thing' | 'Dorothy Benedict' | Medium | Dark-Green | Marginal | Creamy White | Pale-Lavender | June into July | Elslager, Ed | .1999 |
| 'A Very Good Boy' | 'Dorothy Benedict' | Giant | Blue/Green | Marginal | White | Near-White | June into July | Elslager, Ed | .2005 |
| 'Aachen' | 'Zebra' | Medium | Blue/Green | - | - | - | June into July | Malloy, Alex | .2005 |
| 'Aardvark' | 'Tokudama' | Large | Light-Green | Medial | Blue-Green | Near-White | July into August | Savory, Dennis | .1991 |
| 'Abba Showtime' | 'Fragrant Bouquet' | Medium | Med-Green | Marginal | Creamy White | Pure-White | July into August | Aden, Paul | --NR-- |
| 'Abbey Pond Cascades' | 'Cascades' | Large | Med-Green | - | - | Pale-Lavender | June into July | Malloy, Alex | .2004 |
| 'Aberdeen Mountain' | 'El Nino' | Medium | Blue/Green | - | - | Pale-Lavender | August | Kovalcsik, Joanna | --NR-- |
| 'Abiqua Ariel' | 'Aspen Gold' | Small | Blue/Green | - | - | Near-White | June into July | Purtymun, Charles & Hyslop, Jay | .1999 |
| 'Abiqua Aries' | 'Aspen Gold' | Medium | Blue/Green | - | - | Near-White | July | Purtymun, Charles & Hyslop, Jay | .1999 |
| 'Abiqua Drinking Gourd' | 'Tokudama' | Large | Blue/Green | - | - | Near-White | June into July | Purtymun, Charles | .1989 |
| 'Abiqua Elephant Ears' | 'Sieboldiana' | Giant | Blue/Green | - | - | Pale-Lavender | July into August | Purtymun, Charles | .1999 |
| 'Abiqua Gold Shield' | 'Zounds' | Giant | Med-Green | - | - | - | - | Purtymun, Charles | .1987 |
| 'Abiqua Green' | 'White Vision' | - | Med-Green | - | - | - | - | Purtymun, Charles | --NR-- |
| 'Abiqua Pagoda' | 'Elegans | Giant | Blue/Green | - | - | Near-White | June into July | Purtymun, Charles | .1989 |
| 'Abiqua Parasol' | 'Elegans | Giant | Blue/Green | - | - | Near-White | June into July | Purtymun, Charles | .1987 |
| 'Abiqua Recluse' | 'White Vision' | Large | Yellow | - | - | Near-White | June into July | Purtymun, Charles | .1989 |
| 'Abraham Lincoln' | 'Super Bowl' | Medium | Blue/Green | - | - | Light-Purple | June into July | Beilstein, Doug & Zilis, Mark | .2009 |
| 'Abundant Love' | 'Love Pat' | Giant | Blue/Green | - | - | Pure-White | July | Beilstein, Doug & Mardy | .2017 |
| 'Academy Ametrine' | 'Sum and Substance' | Large | Yellow | - | - | Light-Purple | June into July | Chamberlain, Steve | .2005 |
| 'Academy Aureate Piffle' | 'King Tut' | Medium | Yellow | - | - | Pale-Lavender | June into July | Chamberlain, Steve | .2006 |
| 'Academy Beech Leaf Stack' | 'Granary Gold' | Medium | Yellow | - | - | Pale-Lavender | June into July | Chamberlain, Steve | .2015 |
| 'Academy Bonfire Glade' | 'Ginko Craig' | Medium | Med-Green | - | - | Light-Purple | August to September | Chamberlain, Steve | .2003 |
| 'Academy Celeborn' | 'Ginko Craig' | Large | Blue/Green | - | - | Pure-White | July | Chamberlain, Steve | .2000 |
| 'Academy Chetwood' | 'Ginko Craig' | Medium | Med-Green | - | - | Med-Lavender | July into August | Chamberlain, Steve | .2005 |
| 'Academy Devon Moor' | 'Devon Mist' | Medium | Med-Green | - | - | Near-White | July into August | Chamberlain, Steve | .2000 |
| 'Academy Dimholt' | 'Ginko Craig' | Medium | Med-Green | - | - | Pale-Lavender | August | Chamberlain, Steve | .2000 |
| 'Academy Fangorn Forest' | 'Ginko Craig' | Large | Med-Green | - | - | Light-Purple | August to September | Chamberlain, Steve | .2003 |
| 'Academy Fickle Fellow' | 'Allegan Fog' | Medium | Med-Green | Streaked | White | Near-White | June into July | Chamberlain, Steve | .2011 |
| 'Academy Flaxen Spades' | 'Vanilla Cream' | Large | Light-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2002 |
| 'Academy Galadriel' | 'Ginko Craig' | Medium | Yellow | - | - | Med-Lavender | August to September | Chamberlain, Steve | .2000 |
| 'Academy Gilded Dawn' | 'Granary Gold' | Large | Yellow | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2008 |
| 'Academy Gold Codswallop' | 'King Tut' | Medium | Light-Green | - | - | Near-White | June into July | Chamberlain, Steve | .2006 |
| 'Academy Grass Clippings' | 'Allegan Fog' | Small | Green | Streaked | Green | Pale-Lavender | July | Chamberlain, Steve | .2005 |
| 'Academy Green Bid Paddles' | 'Bill Brincka' | Large | Dark-Green | - | - | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Isengard' | 'Ginko Craig' | Large | Med-Green | - | - | Light-Purple | July into September | Chamberlain, Steve | .2003 |
| 'Academy Kakistocracy' | 'Pizzazz' | Medium | Blue/Green | Marginal | Green | Near-White | June into July | Chamberlain, Steve | .2005 |
| 'Academy Lemon Knoll' | 'Julie Morss' | Medium | Light-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2006 |
| 'Academy Little Prother' | 'Allegan Fog' | Medium | Med-Green | Streaked | Speckles | Pure-White | July into August | Chamberlain, Steve | .2011 |
| 'Academy Lothlórien' | 'Ginko Craig' | Large | Yellow | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2004 |
| 'Academy Mallorn' | 'Ginko Craig' | Large | Med-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2003 |
| 'Academy Mavrodaphne' | 'Devon Mist' | Medium | Dark-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2000 |
| 'Academy Mirkwood' | 'Ginko Craig' | Medium | Med-Green | - | - | Light-Purple | August | Chamberlain, Steve | .2003 |
| 'Academy Nazgul' | 'Ginko Craig' | Medium | Med-Green | - | - | Pale-Lavender | August | Chamberlain, Steve | .2000 |
| 'Academy Palantir' | 'Ginko Craig' | Large | Med-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2000 |
| 'Academy Purple Orb' | 'Sum and Substance' | Medium | Med-Green | - | - | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Resplendent Froufrou' | 'Party Favor' | Large | Med-Green | - | - | Near-White | June into July | Chamberlain, Steve | .2011 |
| 'Academy Rivendell' | 'Ginko Craig' | Large | Med-Green | - | - | Med-Lavender | July into August | Chamberlain, Steve | .2005 |
| 'Academy Rumpled Beast' | 'Sum and Substance' | Medium | Med-Green | - | - | Med-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Soaring Rugosity' | 'Sum and Substance' | Large | Med-Green | - | - | Pale-Lavender | July into August | Chamberlain, Steve | .2015 |
| 'Academy Speckled Caddy Spoons' | 'Allegan Fog' | Miniature | Light-Green | Streaked | Speckles | Med-Lavender | June into July | Chamberlain, Steve | .2008 |
| 'Academy Speckled Vase' | 'Allegan Fog' | Medium | Blue/Green | Streaked | Speckles | Med-Lavender | July into August | Chamberlain, Steve | .2008 |
| 'Academy Tousled Turkey' | 'Lucy Vitols' | Large | Blue/Green | - | - | Med-Lavender | June into July | Chamberlain, Steve | .2001 |
| 'Academy Verdant Spades' | 'Vanilla Cream' | Small | Med-Green | - | - | Pale-Lavender | August to September | Chamberlain, Steve | .2003 |
| 'Academy Verdant Verge' | 'Yakushima Mizu' | Small | Med-Green | - | - | Light-Purple | June into July | Chamberlain, Steve | .2003 |
| 'Academy Weathertop' | 'Ginko Craig' | Medium | Med-Green | - | - | Light-Purple | August | Chamberlain, Steve | .2000 |
| 'Academy Wonky Balderdash' | 'King Tut' | Large | Med-Green | - | - | Near-White | June into July | Chamberlain, Steve | .2006 |
| 'Ace of Spades' | 'Blue Wedgwood' | Medium | Dark-Green | - | - | Pale-Lavender | June | Lunsford, Ernest Jr. | .1993 |
| 'Aces High' | 'Ginko Craig' | Medium | Med-Green | - | - | - | - | Beilstein, Doug | --NR-- |
| 'Ada Reed' | 'August Moon' | Medium | Yellow | - | - | Light-Purple | June into July | Suggs, Natalee | .1988 |
| 'Adipose Donkey' | 'Darwin's Standard' | Medium | Blue/Green | - | - | - | - | Moore, Jeff | --NR-- |
| 'Advance to Go' | 'Monopoly' | Medium | Med-Green | Streaked | White | - | - | Malloy, Alex | --NR-- |
| 'Advocate' | 'Loleta Powell' | Small | Med-Green | Streaked | - | - | - | Malloy, Alex | --NR-- |
| 'Aesop' | 'Neat Splash' | Miniature | Med-Green | Marginal | White | Light-Purple | July | Beilstein, Doug & Malloy, Alex | .2005 |
| 'Afterglow' | 'Atom Smasher' | Large | Dark-Green | Marginal | Yellow | - | - | Livingston, Ron | --NR-- |
| 'Agawa' | 'Elegans' | Giant | Blue/Green | - | - | Near-White | July into August | Wade, Van | .2007 |
| 'Age of Aquarius' | 'Liberty' | Medium | Blue/Green | - | - | Near-White | July | Ward, Dr Dick & Jane | .2011 |
| 'Age of Gold' | 'Elatior' | Large | Yellow-Gold | - | - | Near-White | July into August | Hansen, Hans & Walters Gardens, Inc | .2018 |
| 'Ahr' | 'Tardiflora' | Medium | Blue/Green | - | - | - | - | Klose, Heinz | --NR-- |
| 'Ahwaneeh' | Hosta kikutii | Large | Light-Green | - | - | Pure-White | July into August | Syre-Herz, Ursula | .1990 |
| 'Ainsley' | 'Loleta Powell' | Small | Med-Green | Streaked | White | Light-Purple | July | Malloy, Alex | --NR-- |
| 'Ain't Misbehavin' | 'Candy Dish' | Medium | Med-Green | - | - | Med-Lavender | August to October | Dalton, Jim & Meg | .2012 |
| 'Aksarben' | 'Tokudama' | Giant | Blue/Green | - | - | Near-White | June into July | Geissler, Julia & Ruh, Peter | .1988 |
| 'Alabama Bowl' | 'Elegans' | Large | Blue/Green | - | - | Near-White | July | Suggs, Natalee | .1986 |
| 'Alabama Gold' | 'Golden Waffles' | Large | Yellow | - | - | Pale-Lavender | June into July | Suggs, Natalee | .1986 |
| 'Aladdin' | 'Neat Splash' | Small | Med-Green | Marginal | White | - | - | Beilstein, Doug | --NR-- |
| 'Alakazaam' | 'Atom Smasher' | Small | Light-Green | Marginal | Yellow | Med-Lavender | July into August | Livingston, Ron | .2008 |
| 'Alba' | 'Snow Mound' | Small | Med-Green | - | - | Pure-White | August | Unknown | --NR-- |
| 'Alex' | 'Dorothy Benedict' | Medium | Med-Green | Marginal | Yellow | - | July into August | Graves, Butch | .2008 |
| 'Algonquin' | 'Blue Steel' | Large | Blue/Green | - | - | Near-White | June into July | Wade, Van | .2007 |
| 'Alice Blue Gown' | 'Dorothy Benedict' | Medium | Blue/Green | Streaked | Yellow | Light-Purple | July into August | Elslager, Ed | .2002 |
| 'Alice Gladden' | 'White Vision' | Large | Yellow | - | - | Near-White | June into July | Ward, Dr Dick & Jane | .1998 |
| 'Alice In Wonderland' | 'Flamboyant' | Medium | Yellow | Marginal | Green | Pale-Lavender | June into July | Malloy, Alex | .2001 |
| 'Alicia' | 'Minuta' | Miniature | Med-Green | - | - | - | - | Zumbar, Wm | --NR-- |
| 'Alinghi' | 'Mountain Snow' | Large | Blue/Green | - | - | Pale-Lavender | August to September | Hirsbrunner, Lisolette | .2003 .2018 |
| 'Alison' | 'High Noon' | Large | Yellow | - | - | Pale-Lavender | June into July | Ward, Dr Dick & Jane | .2000 |
| 'Aliyah's Grace' | Hosta pycnophylla | Small | Light-Green | - | - | Light-Purple | July into August | Asch, Stuart | .2004 |
| 'All Bright' | 'Are You There' | Small | Yellow | - | - | Pale-Lavender | June into July | Gilligan, Madelon | .2015 |
| 'All Star' | 'Flamboyant' | Small | Med-Green | Streaked | White | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'All That Jazz' | 'Christmas Tree Gala' | Large | Dark-Green | Marginal | White | Pure-White | July into August | Petryszyn, Olga | .2006 |
| 'All This and Heaven Too' | 'Dorothy Benedict' | Giant | Dark-Green | Streaked | Yellow | Pale-Lavender | July | Elslager, Ed | .2003 |
| 'Allegan Emperor' | 'Elatior' | Giant | Blue/Green | - | - | Pale-Lavender | July | Deshane, H. & Ruh, Peter | .2000 |
| 'Allegan Fog' | 'Allegan Fog' | Medium | Med-Green | Medial | Speckles | Pale-Lavender | July into August | Ruh, Peter | .2000 |
| 'Allegheny Moon' | 'Rich Uncle' | Medium | Med-Green | - | - | - | - | Malloy, Alex | --NR-- |
| 'Allegheny River' | 'Tenryu' | Medium | Med-Green | - | - | Pure-White | August | Malloy, Alex | .2005 |
| 'Alligator Shoes' | 'Dorothy Benedict' | Medium | Blue/Green | Marginal | White | Pale-Lavender | July | Benedict, Dr R. (Herb) & Walek, Kevin | .2009 |
| 'Alliteration' | 'Invocation' | Large | Med-Green | Streaked | Yellow | - | - | Lysne, Rod | --NR-- |
| 'Allo, Allo, Allo' | 'Maya Kingsnake' | Medium | Med-Green | - | - | Med-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2017 |
| 'Almost' | 'Cinnamon Sticks' | Medium | Green | - | - | Light-Purple | August to October | Wrede, Arthur | .2005 |
| 'Alpha' | 'Dark Nebula' | Medium | Med-Green | Marginal | Yellow | - | - | Malloy, Alex | --NR-- |
| 'Alphabet Soup' | 'Bright Lights' | Large | Light-Green | - | - | Near-White | June into July | Gilligan, Madelon | .2013 |
| 'Alpine Aire' | 'August Moon' | Medium | Yellow | - | - | Pale-Lavender | July into August | Minks, Eldren | .1980 |
| 'Alpine Dream' | Hosta venusta | Medium | Med-Green | - | - | Light-Purple | July | Savory, Robert | .1982 |
| 'Alston Green' | 'Pearl Lake' | Giant | Blue/Green | - | - | Pale-Lavender | June | Stephens, Ray | .1998 |
| 'Alter Ego' | 'Paul's Glory' | Large | Yellow | - | - | - | July | Livingston, Ron | --NR-- |
| 'Am I Blue' | 'Reginald Kaye' | Giant | Blue/Green | - | - | Near-White | June into July | Ward, Dr Dick & Jane | .1998 |
| 'Amagi-kintoki' | Hosta longipes | Small | Yellow | Marginal | Green | Light-Purple | September | Sugita, Hajime | --NR-- |
| 'Amanuma' | Hosta venusta | Small | Med-Green | - | - | Light-Purple | July | Maekawa, Dr Fumio & Ruh, Peter | .2002 |
| 'Amazing Grace' | 'Pin Stripe' | Medium | Med-Green | Marginal | White | Near-White | June into July | Ward, Dr Dick & Jane | .1999 |
| 'Amber Waves' | 'Sun Power' | Large | Yellow | - | - | - | - | Minks, Eldren | --NR-- |
| 'Amber Waves of Grain' | 'Dorothy Benedict' | Large | Med-Green | Marginal | Yellow | Pale-Lavender | July into August | Elslager, Ed | .2003 |
| 'American Beauty' | 'Dorothy Benedict' | Medium | Green | Streaked | White | Pale-Lavender | July | Asch, Stuart | .2000 |
| 'American Galaxy' | 'Galaxy' | Medium | Dark-Green | Streaked | Speckles | Pale-Lavender | July | Wade, Van | --NR-- |
| 'American Gladiator' | 'William Lachman' | Large | Blue/Green | Marginal | Yellow | Near-White | June into July | Hansen, Hans | .2007 |
| 'American King of the Woods' | 'Elegans' | Giant | Blue/Green | - | - | Near-White | July | Wade, Van | .2007 |
| 'American Monster' | 'Sea Monster' | Giant | Blue/Green | - | - | Near-White | June into July | Wade, Van | --NR-- |
| 'American Pie' | 'Swoosh' | Small | Light-Green | Marginal | Yellow | Med-Lavender | June into July | Avent, Tony | .2007 |
| 'American Prayers' | 'Golden Prayers' | Medium | Light-Green | - | - | Pale-Lavender | June into July | Wade, Van | --NR-- |
| 'American Ruffled Heart' | 'Blue Seer' | Giant | Blue/Green | - | - | Pale-Lavender | June into July | Wade, Van | .2000 |
| 'American Super Elegans' | 'Elegans' | Large | Blue/Green | - | - | Near-White | - | Wade, Van | --NR-- |
| 'American Yeti' | 'American King of the Woods' | Giant | Blue/Green | - | - | Near-White | July | Wade, Van | .2007 |
| 'Amethyst Blue' | 'Sea Lotus Leaf' | Medium | Blue/Green | - | - | Deep-Purple | June into July | Seaver, Charles | .1996 |
| 'Amethyst Chip' | 'Purple Verticulated Elf' | Miniature | Blue/Green | - | - | Pale-Lavender | July into August | Benedict, Dr R. (Herb) & Dorothy | .2000 |
| 'Amethyst Jewel' | Hosta rupifraga | Medium | Med-Green | - | - | Light-Purple | September | Banyai, Pauline | .1992 |
| 'Amethyst Joy' | Hosta kiyosumiensis | Medium | Green | - | - | - | July into August | Sugita, Hajime & Ruh, Peter | .2000 |
| 'Amethyst Star' | 'Akane' | Medium | Dark-Green | - | - | Deep-Purple | - | Spence, Jim | --NR-- |
| 'Amos' | 'Big John' | Large | Blue/Green | - | - | Near-White | June into July | Petryszyn, Olga | --NR-- |
| 'Amy Aden' | 'Fascination' | Small | Med-Green | Streaked | Yellow | Pale-Lavender | July | Aden, Paul | .1980 |
| 'An Old Smoothie' | 'William Lachman' | Medium | Med-Green | Streaked | Speckles | Pale-Lavender | July into August | Elslager, Ed | .2003 |
| 'Anaconda' | 'Maya Kingsnake' | Medium | Light-Green | - | - | Pale-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2015 |
| 'Anderson Form' | Hosta venusta | Medium | Med-Green | - | - | Light-Purple | July | Anderson, Kenneth | --NR-- |
| 'Anderson No. 120' | 'Gold Drop' | Small | - | - | - | - | - | Anderson, Kenneth | --NR-- |
| 'Andromeda' | 'Spilt Milk' | Small | Med-Green | Streaked | White | Near-White | June into July | Godfrey-Smith, Digs | .2015 |
| 'Andy Murray' | 'Big Boy' | Medium | Blue/Green | Marginal | Yellow | Pale-Lavender | July into August | BHHS & Solberg, Robert | .2013 |
| 'Andy Taylor' | 'August Moon' | Small | Med-Green | - | - | Near-White | July | Avent, Tony | .1993 |
| 'Angel Feathers' | 'William Lachman' | Medium | Med-Green | Marginal | Creamy White | Light-Purple | July into August | Vaughn, Kevin & Walek, Kevin | .2009 |
| 'Anglo Saxon' | 'Crepe Suzette' | Medium | Med-Green | Marginal | Yellow | Pale-Lavender | July | Malloy, Alex | .2001 |
| 'Anita' | 'Color Fantasy' | Small | Green | Marginal | White | Pale-Lavender | July into August | Graves, Butch | .2009 |
| 'Ann Kulpa' | 'Pin Stripe Sister' | Large | Med-Green | Medial | White | Near-White | July into August | Kulpa, John | .1999 |
| 'Anna Boynton' | 'Dorothy Benedict' | Medium | Med-Green | Medial | Yellow | Near-White | July | Heinke, Gretchen | .2005 |
| 'Anticipation' | 'Sieboldiana' | - | Med-Green | - | - | - | - | Bond, John | --NR-- |
| 'Antioch' | 'Fortunei' | Large | Med-Green | Marginal | Creamy White | Pale-Lavender | July into August | Tompkins, Cynthia & Hofer, Paul & Ruh, Peter | .1979 |
| 'Apollo' | 'PeeDee Gold Flash' | Large | Yellow | - | - | Light-Purple | July | Syre-Herz, Ursula | --NR-- |
| 'Appetizer' | 'Swoosh' | Small | Med-Green | Marginal | Yellow | Med-Lavender | June | Avent, Tony | .2007 |
| 'Apple Green' | 'Gold Drop' | Medium | Med-Green | - | - | Light-Purple | June into July | Anderson, Kenneth | .1982 |
| 'Apple Jack' | 'Hadspen Hawk' | Medium | Blue/Green | - | - | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Appletini' | 'Blue Dimples' | Small | Yellow | - | - | Light-Purple | August | Zilis, Mark | .2009 |
| 'Aqua Duchess' | Hosta hypoleuca | Large | Blue/Green | - | - | - | - | Lydell, Ransom | --NR-- |
| 'Aqua Velva' | 'Sea Lotus Leaf' | Large | Blue/Green | - | - | Pale-Lavender | July into August | Vaughn, Kevin | .1983 |
| 'Aquarius' | 'Rainforest Sunrise' | Medium | Light-Green | - | - | Med-Lavender | July | Husemann, Jim | .2009 |
| 'Aracus' | 'Permanent Wave' | Small | Dark-Green | - | - | Light-Purple | July | Goodwin, Randy | .2009 |
| 'Arc de Triomphe' | Hosta hypoleuca | Large | Blue/Green | Marginal | Creamy White | Pale-Lavender | July into August | Elslager, Ed | .2000 |
| 'Arch Duke' | Hosta hypoleuca | Giant | Blue/Green | - | - | Pale-Lavender | July into August | Lydell, Ransom | .2000 |
| 'Arctic Blast' | 'Komodo Dragon' | Medium | Blue/Green | - | - | Light-Purple | July | Carlson, Monty & Julie | --NR-- |
| 'Arett's Wonder' | 'Sieboldiana' | Large | Blue/Green | - | - | Pale-Lavender | June into July | Arett, Anne & AHS | .1986 |
| 'Arkansas Lad' | 'Breeder's Choice' | Giant | Med-Green | Marginal | White | Near-White | June into July | Metzger, C.D. | .2005 |
| 'Armani' | 'Maya Kingsnake' | Large | Dark-Green | - | - | - | July into August | Van Eechaute, Danny | .2015 |
| 'Arnold Black' | 'White Vision' | Large | Yellow | - | - | Pale-Lavender | June into July | Ward, Dr Dick & Jane | .2004 |
| 'Arrowhead' | Hosta venusta | Miniature | Med-Green | - | - | Light-Purple | July | Plater-Zyberk, Maria | --NR-- |
| 'Arten' | 'Ritz' | Medium | Blue/Green | - | - | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Artist's Palette' | 'Amy Aden' | Medium | Med-Green | Marginal | White | Light-Purple | July into August | Kuk, Bob | .1986 |
| 'Asher' | 'Komodo Dragon' | Large | Blue/Green | - | - | Near-White | July into August | Kwick, Charles | .2017 |
| 'Aspen Gold' | 'Tokudama' | Large | Yellow | - | - | Near-White | June into July | Grapes, Vivian | .1986 |
| 'Astral Bliss' | 'Cutting Edge' | Small | Blue/Green | - | - | Pale-Lavender | July into August | Dean, Don | .2009 |
| 'Atom Smasher' | 'Ginko Craig' | Miniature | Yellow | - | - | - | - | Livingston, Ron | --NR-- |
| 'Atomic Dragon' | 'Atom Smasher' | Small | Light-Green | - | - | - | August | Livingston, Ron | --NR-- |
| 'Atomic Elvis' | 'Atom Smasher' | Medium | Light-Green | - | - | Med-Lavender | - | Livingston, Ron | --NR-- |
| 'Atomic Elvis Blue' | 'Atom Smasher' | Medium | Blue/Green | - | - | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Atomic Elvis Green' | 'Atom Smasher' | Small | Med-Green | - | - | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Atomic Mama' | 'Atom Smasher' | Medium | Med-Green | - | - | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Atomic Needle' | 'Atom Smasher' | Medium | Med-Green | - | - | Pale-Lavender | - | Livingston, Ron | --NR-- |
| 'Atypical Blonde' | 'Elegans' | Medium | Light-Green | - | - | Near-White | June into July | Kwick, Charles | .2017 |
| 'Augustus' | 'Sea Fire' | Medium | Green | Marginal | White | Pale-Lavender | July into August | Tylinski, Stan & Malloy, Alex | .2003 |
| 'Aunt Bea' | 'Beatrice' | Small | Med-Green | Streaked | Speckles | Pale-Lavender | July | Kuenster, Rod | .2007 |
| 'Auntie Anne' | 'High Noon' | Giant | Yellow | - | - | Pale-Lavender | June into July | Balitewicz, Bob | --NR-- |
| 'Aurea' H. longipes | Hosta longipes | Medium | Yellow | - | - | Light-Purple | August to October | Unknown | --NR-- |
| 'Austin Dickinson' | 'Resonance' | Medium | Med-Green | Marginal | Yellow | Light-Purple | August to October | Lachman, Wm & Eleanor | .1992 |
| 'Autumn Charm' | Hosta rupifraga | Medium | Med-Green | - | - | Pale-Lavender | September | Lachman, Wm & Eleanor | --NR-- |
| 'Avalanche' | 'Warwick Choice' | Medium | Med-Green | Marginal | Creamy White | Near-White | July into August | Goodwin, Randy | .2000 |
| 'Awakening Angel' | 'Mikawa no yuki' | Medium | Blue/Green | - | - | Light-Purple | July into August | Nyikos, Frank | .2005 |
| 'Awesome' | Hosta venusta | Miniature | Med-Green | - | - | Light-Purple | July | Benedict, Dr Ralph (Herb) | .1999 |
| 'Aztalan' | 'Marilyn Monroe' | - | - | - | - | - | - | Moore, Jeff | --NR-- |
| 'Aztec Treasure' | 'Golden Waffles' | Large | Yellow | - | - | Light-Purple | June into July | Vaughn, Kevin | .1987 |
| 'Azure Frills' | 'Venetian Blue' | Medium | Blue/Green | - | - | Light-Purple | July into August | Zilis, Mark | .2010 |
| 'Azure Snow' | Hosta hypoleuca | Large | Blue/Green | - | - | Pale-Lavender | August to October | Ruh, Peter | .1991 |
| 'Azure Waves' | 'Azure Snow' | Medium | Blue/Green | - | - | Med-Lavender | July | Micheletti, Tom | .2011 |
| 'Azuretini' | 'Blue Dimples' | Small | Med-Green | - | - | - | August to October | Zilis, Mark | .2009 |
| 'Feux d'artifices' | 'Strawberry Swirls' | Miniature | Med-Green | Streaked | Yellow | - | - | Bastille, Jocelyne | --NR-- |
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