| Hostaname | RG | SZ | Leaf color | P | F | Origin |
| H. 'A 1-A-Day Delight' Ed Elslager 2003 | R | XL | blgr,str,y,w | | | 'Jim Wilkins' hybrid |
| H. 'A B-1 Bomber' Ed Elslager 2002 | R | | str,dgr,bl,y | | | 'Sea Prize' hybrid |
| H. 'A Big Splash' Ed Elslager 2004 | R | | dgr,str,y,gr | | | 'Dorothy Benedict' selfed |
| H. 'A Blue Streak' Ed Elslager 2001 | R | | dgr,str,bl,gry | | | 'First Impressions' x hypoleuca |
| H. 'A Lady in Blue' Ed Elslager 2004 | R | | blgr,ye | | | 'William Lachman' x hypoleuca |
| H. 'A Many-splendored Thing' Ed Elslager 1999 | R | VL | dgr,goe | | | 'Dorothy Benedict' x hypoleuca |
| H. 'A Very Good Boy' Ed Elslager 2005 | R | | blgr,crwe | | | x ('Dorothy Benedict') seedling |
| H. 'Aachen' Alex Malloy 2005 | R | | bl,we | | | 'Zebra' hybrid |
| H. 'Aardvark' Dennis P. Savory 1991 | R | ML | ch>y,irgre | | | 'Aspen Gold' hybrid |
| H. 'Abba Alive' Paul Aden 1990 | R | S | gr,we | | | 'Aden 81-B1' x 'Aden 83-B4' |
| H. 'Abba Aloft' Paul Aden 1990 | R | L | gr,che | | | 'Sun Power' sport |
| H. 'Abba at Large' Paul Aden 1990 | R | L | ch>y,dgre | | | 'Sun Power' sport |
| H. 'Abba Blue Plus' Paul Aden 1990 | R | ML | dbl,nacre | | | 'Aden 81-B1' x 'Aden 82-B5' |
| H. 'Abba Dabba Do' Tony Avent 1998 | R | ML | gr,chye | | | 'Sun Power' sport |
| H. 'Abba Dew' K. Brill 1999 | R | ML | lgr,ye | | | 'Sun Power' sport |
| H. 'Abba Fit' Paul Aden 1990 | R | M | blgr,we | | | 'Aden 81-B3' x 'Aden 83-B4' |
| H. 'Abba Fragrant Cloud' Paul Aden 1990 | R | M | gr,we | | Y | 'Aden 80-F3' x 'Aden 78-F5' |
| H. 'Abba Little Showoff' Paul Aden 1990 | R | DS | ch,nagre | | | 'Amy Aden' x 'Aden 78-Y2' |
| H. 'Abba Nova' Paul Aden 1990 | R | DS | dgrc,we | | | 'Aden 78-G5' x 'Aden 80-B2' |
| H. 'Abba Spellbinder' Paul Aden 1990 | R | M | blgr,che | | | 'Aden 77-B6' x 'Aden 79-B1' |
| H. 'Abba Tops' Paul Aden 1990 | R | DS | gr,we | | | 'Aden 77-G4' x 'Aden 78-G3' |
| H. 'Abbey Pond Cascades' Alex Malloy 2004 | R | | gr | | | 'Cascades' seedling |
| H. 'Abby' Peter Ruh 1990 | R | SM | dgr,irchye | | | 'Gold Drop' sport |
| H. 'Abiqua Ambrosia' Walden West 1987 | R | M | dgr | | Y | unknown |
| H. 'Abiqua Ariel' Walden West/J. Hyslop 1999 | R | SM | blgr>gry | | | 'Aspen Gold' x (x 'Golden Chimes') |
| H. 'Abiqua Aries' Walden West/J. Hyslop 1999 | R | SM | gry>y | | | 'Aspen Gold' x 'Golden Chimes' |
| H. 'Abiqua Blue Crinkles' Walden West/C. Purtymun 1999 | R | ML | bl | | | unknown |
| H. 'Abiqua Blue Edger' Walden West 1987 | R | SM | bl | | | unknown |
| H. 'Abiqua Blue Jay' Walden West 1988 | R | M | bl | | | unknown |
| H. 'Abiqua Blue Madonna' Walden West 1988 | R | SML | blgr | | | unknown |
| H. 'Abiqua Blue Shield' Walden West 1988 | R | ML | bl | | | sieboldiana hybrid |
| H. 'Abiqua Delight' Walden West/A. Summers 1999 | R | SM | gr,cre | | | unknown |
| H. 'Abiqua Drinking Gourd' Walden West 1989 | R | ML | dbl | | | 'Tokudama' x sieboldiana |
| H. 'Abiqua Elephant Ears' Walden West/C. Purtymun 1999 | R | XL | blgr | | | (x sieboldiana) hybrid |
| H. 'Abiqua Gold Shield' Walden West 1987 | R | ML | chy | | | 'White Vision' hybrid |
| H. 'Abiqua Ground Cover' Walden West 1988 | R | DS | gagr | | | unknown |
| H. 'Abiqua Hallucination' Walden West/J.Hyslop/C. Purtymun 1999 | R | ML | goy,blgre | | | 'Tokudama Flavocircinalis' sport |
| H. 'Abiqua Miniature' Walden West 1988 | R | S | gr | | | unknown |
| H. 'Abiqua Moonbeam' Walden West 1987 | R | ML | blgr,ye | | | 'August Moon' sport |
| H. 'Abiqua Pagoda' Walden West 1989 | R | G | bl | | | sieboldiana hybrid |
| H. 'Abiqua Parasol' Walden West 1987 | R | L | blgr | | | sieboldiana 'Elegans' hybrid |
| H. 'Abiqua Recluse' Walden West 1989 | R | ML | goy | | | 'White Vision' x 'Sum and Substance' |
| H. 'Abiqua Trumpet' Walden West 1987 | R | S | blgr | | | unknown |
| H. 'Academy Ametrine' S. Chamberlain 2005 | R | | gry | | | 'Sum and Substance' hybrid |
| H. 'Academy Another' S. Chamberlain 2004 | R | M | gagr,we | | | 'Francee' sport |
| H. 'Academy Aureate Piffle' S. Chamberlain 2006 | R | | goy | | | |
| H. 'Academy Blue Titan' S. Chamberlain 1999 | R | ML | blgr | | | montana x sieboldiana 'Elegans' |
| H. 'Academy Blushing Recluse' S. Chamberlain 1999 | R | M | dgr,grye | | | 'Abiqua Recluse' sport |
| H. 'Academy Bonfire Glade' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Brobdingnagian Viridity' S. Chamberlain 2006 | R | | gr | | | |
| H. 'Academy Celeborn' S. Chamberlain 2000 | R | M | blgr>gr | | | (x 'Ginko Craig') hybrid |
| H. 'Academy Chetwood' S. Chamberlain 2005 | R | M | gr | PU | | x ('Ginko Craig') hybrid |
| H. 'Academy Devon Moor' S. Chamberlain 2001 | R | M | gr | | | 'Devon Mist' hybrid |
| H. 'Academy Dimholt' S. Chamberlain 2005 | R | | gr | | | x ('Ginko Craig') hybrid |
| H. 'Academy Fangorn Forest' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Fire' S. Chamberlain 1997 | R | M | lgr,cre | PUB | | 'Francee' sport |
| H. 'Academy Flaxen Spades' S. Chamberlain 2002 | R | M | gry | | | 'Vanilla Cream' hybrid |
| H. 'Academy Flora' S. Chamberlain 1999 | R | SM | gr | | Y | unknown |
| H. 'Academy Galadriel' S. Chamberlain 2000 | R | M | goy | F | | (x 'Ginko Craig') hybrid |
| H. 'Academy Gold Codswallop' S. Chamberlain 2006 | R | | gry | | | |
| H. 'Academy Golden Papoose' S. Chamberlain 2004 | R | | gry | | | unknown |
| H. 'Academy Grass Clippings' S. Chamberlain 2005 | R | | gr,str,lgr | | | 'Allegan Fog' seedling |
| H. 'Academy Isengard' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Kakistocracy' S. Chamberlain 2005 | R | | blgr,lgre | | | 'Pizzazz' seedling |
| H. 'Academy Lemon Knoll' S. Chamberlain 2006 | R | | lgr | | | |
| H. 'Academy Lothlórien' S. Chamberlain 2004 | R | | gry | | | 'Ginko Craig' selfed |
| H. 'Academy Mallorn' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Mavrodaphne' S. Chamberlain/H. Chamberlain 2000 | R | M | dgr | PUB | | 'Devon Mist' hybrid |
| H. 'Academy Mirkwood' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Muse' H. Chamberlain/S. Chamberlain 1997 | R | ML | y,dgre | | | unknown |
| H. 'Academy Nazgul' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Palantir' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Redundant' S. Chamberlain 1998 | R | ML | gr,we | | | 'Fortunei Aureomarginata' sport |
| H. 'Academy Rivendell' S. Chamberlain 2005 | R | | gr | PUB | | x ('Ginko Craig') hybrid |
| H. 'Academy Shiny Vase' S. Chamberlain 2001 | R | | gr | | | unknown |
| H. 'Academy Tousled Turkey' S. Chamberlain 2001 | R | | blgr | | | 'Lucy Vitols' hybrid |
| H. 'Academy Verdant Spades' S. Chamberlain 2003 | R | | gr | | | 'Vanilla Cream' hybrid |
| H. 'Academy Verdant Verge' S. Chamberlain 2003 | R | S | gr | | | 'Yakushima Mizu' hybrid |
| H. 'Academy Weathertop' S. Chamberlain 2005 | R | | gr | PUB | | x ('Ginko Craig') seedling |
| H. 'Academy Wonky Balderdash' S. Chamberlain 2006 | R | | gr | | | |
| H. 'Ace of Spades' E. Lunsford 1993 | R | M | dgr | | | 'Blue Wedgwood' hybrid |
| H. 'Achy Breaky Heart' Jim Schwarz 1996 | R | S | str,dgr,we | | | unknown |
| H. 'Ada Reed' Natalee Suggs 1988 | R | M | ych | | | 'August Moon' x 'Sun Glow' |
| H. 'Aesop' Doug Beilstein/Alex Malloy 2005 | R | D | gr,cre | | | 'Neat Splash' seedling |
| H. 'Aestival Festival' Ursula Syre-Herz 1996 | R | M | ly | GR | | unknown |
| H. 'Afternoon Delight' M. Zilis/L. Lombardo 2003 | R | L | dgr,goe | | | 'High Noon' sport |
| H. 'Ahamo Gold' Julia Geissler 1970 | R | SM | ch | | | sieboldiana hybrid |
| H. 'Ahwaneeh' Ursula Syre-Herz 1990 | R | L | gr>y | | | montana macrophylla x kikutii |
| H. 'Aidan Bryden Cleghorn' S. Chamberlain 2006 | R | | dgr,lye | | | |
| H. 'Aksarben' Julia Geissler/Peter Ruh 1988 | R | XL | blgr | | | 'Tokudama' x sieboldiana |
| H. 'Alabama Bowl' Natalee Suggs 1986 | R | ML | blgr | | | sieboldiana 'Elegans' x 'Big Mama' |
| H. 'Alabama Gold' Natalee Suggs 1986 | R | ML | ly | | | 'Golden Waffles' hybrid |
| H. 'Aladdin's Lamp' Dick & J. Ward 1996 | R | M | y | | | unknown |
| H. 'Alan Titchmarsh' R. & M. Ford 2006 | R | | y,gre | | | 'Striptease' sport |
| H. 'Alaskan Halo' Peter Ruh 1997 | R | ML | dgr,crwe | | | 'Fortunei Hyacinthina' sport |
| H. 'Albert Lea' Peter Ruh 1999 | R | L | blgr | | | 'Maple Leaf' sport |
| H. 'Alex Summers' Vic Santa Lucia 1989 | R | ML | gr,br yche | | | 'Gold Regal' sport |
| H. 'Alexizz Madison' S. Xavier-Sakr 2005 | R | S | bl,cre | | | 'Pandora's Box' sport |
| H. 'Alice Blue Gown' E. Elslager 2002 | R | | str,bl,gr,y | | | 'Dorothy Benedict' hybrid |
| H. 'Alice Gladden' Dick & Jane Ward 1998 | R | ML | y | | | 'White Vision' x montana f. macrophylla |
| H. 'Alice in Wonderland' Alex Malloy 2001 | R | M | y,gre | | | 'Flamboyant' x 'Banana Sundae' |
| H. 'Alinghi' L. Hirsbrunner 2003 | R | | blgr | | | 'Mountain Snow' hybrid |
| H. 'Alison' D. & J. Ward 2000 | R | | mgo | | | 'High Noon' x 'Noah's Ark' |
| H. 'Aliyah's Grace' Stuart Asch 2004 | R | M | y,nacrwe | | | pycnophylla seedling |
| H. 'All Jazzed Up' L. Powell 2000 | R | ML | str,gr,w | | Y | 'Snow Crust' sport |
| H. 'All Star' D. Aiello 2005 | R | | gr,str,y,ye | | | 'Antioch' sport |
| H. 'All that Jazz' Olga Petryszyn 2006 | R | L | dgr,crye | | | 'Christmas Tree Gala' x 'Elatior' |
| H. 'All This and Heaven Too' E. Elslager 2003 | R | | str,dgr,gr,y | | | "'Dorothy Benedict' F1" hybrid |
| H. 'Allan P. McConnell' McConnell/M. Seaver 1980 | R | SM | dgr,we | | | nakaiana hybrid |
| H. 'Allegan Emperor' H. Deshane/K. Herrema/P. Ruh 2000 | R | L | dgr | | | nigrescens hybrid |
| H. 'Allegan Fog' K. Herrema/P. Ruh 2000 | R | SM | w,spe,gr,gre | | | 'Fortunei Aurea' hybrid |
| H. 'Allegan Gent' H. Deshane/K. Herrema/P. Ruh 2000 | R | | gr,we | | | 'Northern Halo' sport |
| H. 'Allegheny River' Alex Malloy 2005 | R | M | gr | PU | | 'Tenryu' seedling |
| H. 'Allegiance' C. Helsley 2004 | R | M | gr,crwe | | Y | 'Sweet Susan' sport |
| H. 'Alley Oop' Alex Malloy 2001 | R | S | w,spe,dgr,dgre | | | 'Fortunei Aoki' sport |
| H. 'Alleyne Cook' A. Cook/D. Hodgson 2003 | R | | blgr,ye | | | 'Fortunei Hyacinthina' sport |
| H. 'Alma' Gus Krossa/Peter Ruh 1995 | R | S | y | | | unknown |
| H. 'Almost' Arthur Wrede 2005 | R | S | lgr | R | | 'Cinnamon Sticks' seedling |
| H. 'Alpine Aire' Eldren W. Minks 1980 | R | ML | ch>y | | | 'August Moon' x 'Wogon' |
| H. 'Alpine Dream' Robert P. Savory 1982 | R | SM | gr | | Y- | venusta x (x venusta) |
| H. 'Alston Glenn' Ray B. Stephens 1998 | R | M | blgr | | | 'Pearl Lake' x 'Tucker Pucker' |
| H. 'Alvatine Taylor' Fairway Enterprises 1990 | R | L | blgr,(ch>y)e | | | 'Lady in Waiting' sport |
| H. 'Am I Blue' Dick & Jane Ward 1998 | R | XL | blgr | | | 'Reginald Kaye' hybrid |
| H. 'Amanuma' Fumio Maekawa 1960/P. Ruh 2002 | R | SM | lgr | | | venusta x capitata |
| H. 'Amazing Grace' Dick & Jane Ward 1999 | R | L | dgr,we | | | 'Pin Stripe' x montana f. macrophylla |
| H. 'Amazing Matthew' Stuart Asch 2003 | R | | gr,we | | | 'Teacher's Pet' sport |
| H. 'Amber Maiden' Walters Gardens 1988 | R | SM | gr,(ch>y)e | | | 'Candy Hearts' sport |
| H. 'Amber Tiara' Walters Gardens 1998 | R | SM | y>gry | | | 'Grand Tiara' sport |
| H. 'Amber Waves of Grain' E. Elslager 2003 | R | | dgr,grye | | | "'Dorothy Benedict' F1" hybrid |
| H. 'American Beauty' Stuart Asch 2000 | R | | str,gr,cr | STR | | (x 'Dorothy Benedict') x 'Green Piecrust' |
| H. 'American Dark Angel' Van Wade 1999 | R | | dgr | | | 'American Green Angel' sport |
| H. 'American Dream' Van Wade 1999 | R | SM | gr>y,we | | | 'High Fat Cream' sport |
| H. 'American Eagle' Van Wade 1999 | R | L | dgr,ye | | | 'Zounds' sport |
| H. 'American Glory Be' Van Wade 1999 | R | | y,blgre | | | 'Paul's Glory' sport |
| H. 'American Gold Edge' Van Wade 1999 | R | S | gr,che | | | unknown |
| H. 'American Halo' Van Wade 1999 | R | L | blgr,(y>w)e | | | 'Northern Halo' sport |
| H. 'American Icon' Hans Hansen 2004 | R | L | gr,ye | | | 'Choo Choo Train' sport |
| H. 'American Idol' Randy Goodwin 2005 | R | | gr,grye | | | 'Sum and Substance' sport |
| H. 'American Masterpiece' Van Wade 1999 | R | ML | crw,blgre | | | 'Northern Mist' sport |
| H. 'American Misty' Van Wade 2005 | R | M | gr,spe,w, dgre | | | 'American Masterpiece' sport |
| H. 'American Mohican Halo' Van Wade 2000 | R | L | blgr,lgr | | | 'Northern Halo' sport |
| H. 'American Ruffled Heart' V. Wade 2000 | R | | blgr | | | 'Blue Seer' hybrid |
| H. 'American Sweetheart' Hans Hansen 2002 | R | M | crw,gre | | | 'Sea Thunder' sport |
| H. 'American Tisch Breeder' V. Wade/E. Elslager 2002 | R | | str,bl,gr,y,w | | | 'Tisch #3-4' sport |
| H. 'Americana' Walters Gardens 2006 | R | M | w,dgre | | | 'Loyalist' sport |
| H. 'Amethyst Blue' Charles R. Seaver 1996 | R | M | blgr | G | | 'Sea Lotus Leaf' hybrid |
| H. 'Amethyst Chip' R. & D. Benedict 2000 | R | | blgr>dgr | G | | 'Purple Verticulated Elf' selfed |
| H. 'Amethyst Facet' H. & D. Benedict/D. Dean 2003 | R | D | blgr | | | 'Purple Verticulated Elf' x 'Purple Verticulated Elf' |
| H. 'Amethyst Jewel' P. Banyai 1992 | R | M | gr | | | rupifraga hybrid |
| H. 'Amethyst Joy' H. Sugita/P. Ruh 1999 | R | | dgr | | | kiyosumiensis x pycnophylla |
| H. 'Amy Aden' Paul Aden 1980 | R | SM | ch,str,w,gr | | | 'Fascination' x 'High Fat Cream' |
| H. 'Amy Elizabeth' Mark Zilis 2003 | R | SM | ch,dgre | | | 'Abby' sport |
| H. 'Amy's Green' Van Wade 1999 | R | S | gr | | | unknown |
| H. 'Amy's Hope' R. Snyder 2000 | R | | (gry/goy),cre | | | 'Norwalk Chartreuse' sport |
| H. 'An Old Smoothie' E. Elslager 2003 | R | | gr,str,gr,y,w | | | 'William Lachman' hybrid |
| H. 'Andrew' Hans Hansen 2006 | R | | w,blgre | | | 'Blue Mammoth' sport |
| H. 'Andrew Jackson' H. Sugita/P. Ruh/M. Zilis/ P. & J. Ruh 2001 | R | M | blgr | | | unknown |
| H. 'Andy Taylor' Tony Avent 1993 | R | SM | dgr | | | 'August Moon' x 'Tardiflora' |
| H. 'Angel Harp Strings' Ed Elslager 2005 | R | | blgr,str,y,cr | | | 'Blue Angel' sport |
| H. 'Angel Wings' Jane & Bernie Diesen 1998 | R | ML | gr | | | unknown |
| H. 'Anglo Saxon' Alex Malloy 2001 | R | SM | gr,ye | | | 'Crepe Suzette Streaked' x 'Halcyon' |
| H. 'Ani Machi' Japan/P. & J. Ruh 2002 | R | M | y>lgr,gre | | | unknown |
| H. 'Ann Kulpa' John Kulpa 1999 | R | M | (y>cr),dgre | W | | 'Pin Stripe Sister' hybrid |
| H. 'Anna Boynton' G. Heinke 2005 | R | | ly,gre | | | 'Dorothy Benedict' seedling |
| H. 'Anna Lindh' L. Kósa 2005 | R | | crw,lgre | | | unknown |
| H. 'Anne' G. Heemskerk 2005 | R | L | dgr,brye | | | 'Fortunei Aureomarginata' sport |
| H. 'Anne Arett' Mrs. Fred Arett 1975 | R | DS | ch,cre | | | 'Subcrocea' sport |
| H. 'Antioch' Cynthia Tompkins/Hofer/Ruh 1979 | R | ML | lgr,(y>w)e | | | 'Fortunei' sport or hybrid |
| H. 'Antoinette' Bob Kuk 2000 | R | M | dgr,goe | | | 'Squire Rich' sport |
| H. 'Appalachian Beauty' M. Zilis/ECGC Distributers 2003 | R | M | gr,goe | | | 'Abiqua Recluse' sport |
| H. 'Appalachian Spring' Alex Malloy 2004 | R | S | gr,crwe | | | (x 'Beatrice') sport |
| H. 'Applause' Hans Hansen/Tony Avent 2006 | R | | dgr,crwe | | | 'Edge of Night' sport |
| H. 'Apple Court' P. Scolnik 1998 | R | DS | w,gre | | | 'Ani Machi' sport |
| H. 'Apple Green' Ken Anderson 1982 | R | S | ch | | | nakaiana seedling |
| H. 'Aqua Velva' Kevin C. Vaughn 1983 | R | ML | blgr | | Y- | ('Polly Bishop' x 'Blue Lace') x 'Summer Fragrance' |
| H. 'Arc de Triomphe' Ed Elslager 2000 | R | L | dgr,ye | | | 'Foxy Doxy' x hypoleuca |
| H. 'Arch Duke' Ran Lydell 2000 | R | XL | lgr | | | hypoleuca x 'Cartwheels' |
| H. 'Archangel' Mark Zilis 2003 | R | L | ch>ly | | | 'Halo' sport |
| H. 'Arctic Circle' Chet Tompkins 1985/P. & J. Ruh 2002 | R | ML | lgr,we | | | unknown |
| H. 'Arctic Rim' Ransom Lydell 1993 | R | ML | gr,we | | | 'Fortunei Hyacinthina' sport |
| H. 'Arctic Sunset' P. & J. Ruh 2005 | R | | lgr,str,y,lgre | | | 'Fortunei Hyacinthina' sport |
| H. 'Arett's Wonder' Anne Arett/AHS 1986 | R | G | blgr | | | sieboldiana 'Elegans' hybrid |
| H. 'Aristocrat' Walters Gardens 1997 | R | SM | blgr,crwe | | | 'Hadspen Blue' sport |
| H. 'Arkansas Lad' C. D. Metzger 2005 | R | | gr,we | | | 'Breeders Choice' seedling |
| H. 'Arnold Black' Dick & Jane Ward 2004 | R | L | ly | | | 'White Vision' x montana f. macrophylla |
| H. 'Artemis' T. Donahue/A. Malloy 2001 | R | | lgr | | | unknown |
| H. 'Artist's Palette' Kuk's Forest 1986 | R | SM | dgr,str,w,cr | | | 'Neat Splash' hybrid |
| H. 'Asahi Comet' Kato/Zumbar 1984 | R | M | gr,we | | | longissima sport |
| H. 'Asahi Sunray' Kato/Zumbar 1984 | R | M | dgr,naye | | | longissima sport |
| H. 'Aspen Gold' Vivian Grapes 1970/AHS 1986 | R | ML | ch>goy | | | 'Tokudama' hybrid |
| H. 'Athena' Bob Hird 2005 | R | ML | gr,str,cr,w | | Y | 'Aphrodite' sport |
| H. 'Atlantis' Hans Hansen/Tony Avent 2004 | R | L | dgr,ye | | | 'Abba Dabba Do' sport |
| H. 'August Moon' R. Langfelder/A. Summers 1968/P. Ruh 1996 | R | ML | ch>goy | | | sieboldiana hybrid |
| H. 'Augustus' S. Tylinsky/A. Malloy 2003 | R | | gr,we | | | 'Sea Fire' hybrid |
| H. 'Aurora Borealis' Wayside Gardens 1986 | R | VL | blgr,ye | | | sieboldiana 'Elegans' sport |
| H. 'Austin Dickinson' William & Eleanor Lachman 1992 | R | ML | blgr,we | | Y | 'Resonance' x plantaginea |
| H. 'Avalanche' Randy Goodwin 2000 | R | S | dgr,we | | | 'Warwick Choice' hybrid |
| H. 'Avery Angel' B. Tiffany 2005 | R | | gry,we | | | unknown |
| H. 'Avocado' Jane & Bernie Diesen 1998 | R | ML | gry,dgre | | Y | 'Guacamole' sport |
| H. 'Awakening Angel' F. Nyikos 2005 | R | | bl | | | 'Mikawa-no-yuki' x 'Uncle John' |
| H. 'Awesome Illusion' S. Xavier-Saks 2002 | R | | dgr,cre | | | 'Edge of Night' sport |
| H. 'Aztec Treasure' Kevin C. Vaughn 1987 | R | ML | y | | | 'Golden Waffles' x (x 'Rough Waters') |
| H. 'Azure Chalice' Ursula Syre-Herz 1996 | R | L | dblgr | | | unknown |
| H. 'Azure Cherub' Europe/P. Ruh 2002 | R | | bl | | | unknown |
| H. 'Azure Frost' B. Treichel 2006 | R | | blgr | | | |
| H. 'Azure Mediterranean' C. Helsley 1999 | R | S | blgr | RB | | unknown |
| H. 'Azure Snow' Peter Ruh 1991 | R | ML | blgr | | | hypoleuca seedling |