| Hostaname | REG | Size | Leaf color | Petiole | Fragrant | Origin |
| H. 'A 1-A-Day Delight' E. Elslager 2003 | R | XL | blgr,str,y,w | | | 'Jim Wilkins' hybrid |
| H. 'Academy Bonfire Glade' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Fangorn Forest' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Isengard' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Mallorn' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| H. 'Academy Mirkwood' S. Chamberlain 2003 | R | | gr | | | "'Ginko Craig' F1" hybrid |
| 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 Verdant Spades' S. Chamberlain 2003 | R | | gr | | | 'Vanilla Cream' hybrid |
| H. 'Academy Verdant Verge' S. Chamberlain 2003 | R | S | gr | | | 'Yakushima Mizu' hybrid |
| H. 'Afternoon Delight' M. Zilis/L. Lombardo 2003 | R | L | dgr,goe | | | 'High Noon' sport |
| H. 'Alinghi' L. Hirsbrunner 2003 | R | | blgr | | | 'Mountain Snow' hybrid |
| H. 'All This and Heaven Too' E. Elslager 2003 | R | | str,dgr,gr,y | | | "'Dorothy Benedict' F1" hybrid |
| H. 'Alleyne Cook' A. Cook/D. Hodgson 2003 | R | | blgr,ye | | | 'Fortunei Hyacinthina' sport |
| H. 'Amazing Matthew' Stuart Asch 2003 | R | | gr,we | | | 'Teacher's Pet' sport |
| H. 'Amber Waves of Grain' E. Elslager 2003 | R | | dgr,grye | | | "'Dorothy Benedict' F1" hybrid |
| H. 'Amethyst Facet' H. & D. Benedict/D. Dean 2003 | R | | blgr | | | 'Purple Verticulated Elf' x 'Purple Verticulated Elf' |
| H. 'Amy Elizabeth' M. Zilis 2003 | R | SM | ch,dgre | | | 'Abby' sport |
| H. 'An Old Smoothie' E. Elslager 2003 | R | | gr,str,gr,y,w | | | 'William Lachman' hybrid |
| H. 'Appalachian Beauty' M. Zilis/ECGC Distributers 2003 | R | M | gr,goe | | | 'Abiqua Recluse' sport |
| H. 'Archangel' M. Zilis 2003 | R | L | goy | | | 'Halo' sport |
| H. 'Augustus' S. Tylinsky/A. Malloy 2003 | R | | gr,we | | | 'Sea Fire' hybrid |
| H. 'Belinda' R. Simmering/L. Willett 2003 | R | | gry | GR | | 'Zounds' hybrid |
| H. 'Big Mamma's House' E. Elslager 2003 | R | XL | dblgr,str,y,cr | | | "'Dorothy Benedict' F1" hybrid |
| H. 'Big Top' E. Elslager 2003 | R | XL | dblgr | | | 'William Lachman' x hypoleuca |
| H. 'Biggie' E. Elslager 2003 | R | L | dgr | | | 'Sea Prize' x 'Maekawa' |
| H. 'Blaue Ruh' H. Sugita/Pete Ruh 2003 | R | | bl | | | unknown |
| H. 'Blaue Venus' Heinz Klose 1988/P. & J. Ruh 2003 | R | MS | blgr | | | tardiflora hybrid |
| H. 'Blaufink' Heinz Klose 1990/P. & J. Ruh 2003 | R | M | bl | | | unknown |
| H. 'Blauglut' Heinz Klose 1990/P. & J. Ruh 2003 | R | M | bl | | | sieboldiana hybrid |
| H. 'Blaugold' Heinz Klose 1991/P. & J. Ruh 2003 | R | ML | lgr>y | | | sieboldiana hybrid |
| H. 'Blaumeise' Heinz Klose 1991/P. & J. Ruh 2003 | R | M | dgr | | | |
| H. 'Blauspecht' Heinz Klose/P. & J. Ruh 2003 | R | | bl | | | tardiflora x sieboldiana 'Elegans' |
| H. 'Blizzard' Winterberry Farms/J. Anderson 2003 | R | VL | str,gry,w | | | 'Sum and Substance' sport |
| H. 'Blockbuster' E. Elslager 2003 | R | XL | dgr,str,gr,y,cr | | | 'Sea Prize' x 'Maekawa' |
| H. 'Blue Mist' Walters Gardens/M. Zilis/P. & J. Ruh 2003 | R | M | blgr,mot,w | | | 'Blue Max' sport |
| H. 'Blue My Mind' H. Hansen 2003 | R | | blgr | | | 'Dorset Clown' sport |
| H. 'Blue Sophistication' M. Zilis 2003 | R | M | blgr | | | 'Lakeside Sophistication' sport |
| H. 'Bluebeard's Castle' E. Elslager 2003 | R | | blgr,str,gry | | | 'Jim Wilkins' hybrid |
| H. 'Blütenspiel' Heinz Klose 1990/P. & J. Ruh 2003 | R | M | dgr | | | unknown |
| H. 'Bottom Line' Winterberry Farms/J. Anderson 2003 | R | XL | gr,lye | | | 'Sum and Substance' sport |
| H. 'Bread Crumbs' M. Zilis/B. Solberg 2003 | R | D | crw,gre | | | 'Tiny Tears' sport |
| H. 'Bridal Veil' Bob Hird 2003 | R | M | blgr,cre | | | unknown |
| H. 'Brigadier' M. Zilis 2003 | R | L | blgr | | | sieboldiana 'Elegans' x 'Hirao Supreme' |
| H. 'Canby' C. Tompkins/P. & J. Ruh 2003 | R | | gr,lgre | | | unknown |
| H. 'Candy Dish' Alex Summers/A. Wrede 2003 | R | S | dgr | PUD | | 'Urajiro Hachijo' hybrid |
| H. 'Carolingian' Alex Malloy 2003 | R | D | gr,we | | | 'Captain Atom' hybrid |
| H. 'Chodai Ginba' Kajigawa/Gotemba Nursery/P. & J. Ruh 2003 | R | | dgr | | | unknown |
| H. 'Christmas Charm' M. Zilis 2003 | R | | dgr,crwe | | | 'Night before Christmas' sport |
| H. 'Christmas Cookies' M. Zilis/R. Solberg 2003 | R | | w,dgre | | | 'Night before Christmas' sport |
| H. 'Cloud Sweeper' S. & S. Zolock 2003 | R | | gr | | | 'Tall Boy' hybrid |
| H. 'Color Parade' M. Zilis 2003 | R | SM | str,gr,y,w,che | | Y | 'Fragrant Bouquet' sport |
| H. 'Corkscrew' R. Solberg 2003 | R | S | dgr | PU | | 'Tortifrons' x 'One Man's Treasure' |
| H. 'Courtesy' M. Zilis/W. Zumbar 2003 | R | | gr | | | 'Sum and Substance' x (x venusta) |
| H. 'Crossroads Bling Bling' T. England 2003 | R | M | y,blgre | | | 'Crossroads Hurricane' sport |
| H. 'Crossroads Budgie' T. England 2003 | R | S | blgr | | | 'William Lachman' hybrid |
| H. 'Crossroads Hurricane' T. England 2003 | R | M | str,blgr,y | | | 'William Lachman' hybrid |
| H. 'Crossroads Oscar' T. England 2003 | R | S | gr,cre | | | 'William Lachman' hybrid |
| H. 'Crossroads Parrot' T. England 2003 | R | | gr | | | 'William Lachman' hybrid |
| H. 'Crossroads Rowdy' T. England 2003 | R | | gr,crwe | | | 'William Lachman' hybrid |
| H. 'Crossroads Steve' T. England 2003 | R | | gr,lye | | | 'William Lachman' hybrid |
| H. 'Crossroads Whirlpool' T. England 2003 | R | M | str,blgr,w | | | 'William Lachman' hybrid |
| H. 'Croutons' M. Zilis/R. Solberg 2003 | R | D | str,gr,cr | | | 'Tiny Tears' sport |
| H. 'Daisy Doolittle' R. Goodwin 2003 | R | D | gr,crwe | | | "small streaked plant" sport |
| H. 'Dancing Cobra' R. Vincun 2003 | R | | gr,crwe | | | unknown |
| H. 'Deceiver' Stuart Asch 2003 | R | | lgr,str,y,cr | | | 'William Lachman' x 'Permanent Wave' |
| H. 'Delta Desire' M. Zilis/M. Vanous 2003 | R | ML | y | | | 'Delta Dawn' sport |
| H. 'Delta Pride' M. Zilis/T. Toman 2003 | R | ML | str,y,w,ye | | | 'Delta Dawn' sport |
| H. 'Dimension X' Alex Malloy 2003 | R | | gr | GR | | 'Pin Stripe Sister' hybrid |
| H. 'Doubloons' M. Zilis/W. Zumbar 2003 | R | ML | y | | | 'Alvatine Taylor' sport |
| H. 'Dream Angel' M. Laico 2003 | R | | ch>goy | | | unknown |
| H. 'Dreamland' Alex Malloy 2003 | R | | str,gr,w | | | 'Pink Panther' hybrid |
| H. 'Dustin More' R. Snyder 2003 | R | | str,dgr,crw,cre | | | 'Dustin' sport |
| H. 'Eagle Spirit' Randy Goodwin 2003 | R | M | dgr,crwe | | | (x 'Bravo') seedling |
| H. 'Earth, Wind and Fire' E. Elslager 2003 | R | | dgr,grye | | | "'Dorothy Benedict' F1" hybrid |
| H. 'El Niño' P. Warmerdam 2003 | R | | bl,we | | | 'Halcyon' hybrid |
| H. 'Elf Bonnet' S. & S. Zolock 2003 | R | M | dgr | GR | | 'Nakaimo' hybrid |
| H. 'Emerald Mist' M. Laico 2003 | R | S | gr | | | unknown |
| H. 'Emerald Ruff Cut' J. Anderson 2003 | R | SM | cr>goy,dgre | | | 'Sea Angel Wings' sport |
| H. 'Emerald Scepter' M. Zilis 2003 | R | S | y,lgre | | | 'Golden Tiara' sport |
| H. 'English Sunrise' M. Zilis/T. Toman 2003 | R | M | goy>gr | | | 'June' sport |
| H. 'Faux Finish' M. Schembs 2003 | R | M | ygr,mot,dgr,blgr | | | 'Birchwood Parky's Gold' sport |
| H. 'Filigree Necklace' S. Tylinski 2003 | R | S | blgr,str,crw | | | 'Filagree' x 'Tokudama' |
| H. 'Fire and Brimstone' M. Zilis/R. Solberg 2003 | R | ML | str,blgr,cry,w | | | 'Guardian Angel' sport |
| H. 'Fire Opal' Kim Larsen 2003 | R | M | lgr>y,dgr,cre | | | 'Gold Standard' sport |
| H. 'First Mate' J. Machen 2003 | R | S | gagr,dgre | | | 'Kabitan' sport |
| H. 'First Strike' M. Zilis/A. Malloy 2003 | R | | w,dgre | | | unknown |
| H. 'Flickering Flames' J. Orlando 2003 | R | M | ly,gre | | | unknown |
| H. 'Floppy Disk' E. Elslager 2003 | R | | dgry,goye | | | 'Sea Prize' x hypoleuca |
| H. 'Fort Salonga' S. Tylinski 2003 | R | | blgr,str,y,crw | | | unknown |
| H. 'Fountain of Youth' A. Malloy 2003 | R | S | dgr,we | | | 'Green Fountain' sport |
| H. 'Foxfire Bamm Bamm' W. & E. Lachman/S. Schulte 2003 | R | L | gr,str,y | | | unknown |
| H. 'Foxfire Irish Moon' S. Schulte 2003 | R | M | crlgr | | | 'Independence Day' hybrid |
| H. 'Foxfire Rose Red' S. Schulte 2003 | R | S | crw,dgre | R | | 'Cherry Berry' sport |
| H. 'Foxfire Snake Eyes' S. Schulte 2003 | R | | w,dgre | | | 'Whirlwind' sport |
| H. 'Foxfire Zulu' S. Schulte 2003 | R | | dgr | | | 'Cascades' sport |
| H. 'Frozen Margarita' R. Solberg 2003 | R | | gry,we | | Y | 'Fried Bananas' sport |
| H. 'Fulda' Heinz Klose 1988/P. & J. Ruh 2003 | R | S | bl | | | tardiflora hybrid |
| H. 'Fumiko' Heinz Klose 1990/P. & J. Ruh 2003 | R | ML | bl | | | |
| H. 'Garden Center' G. R. Goodwin 2003 | R | | crw,gre | | | 'William Lachman' seedling |
| H. 'Gazpacho' E. Elslager 2003 | R | | str,lgr,y | | | 'Sea Prize' x hypoleuca |
| H. 'Gilded Teacup' M. Zilis/K. Queller-Zilis 2003 | R | SM | gr,goe | | | 'Golden Teacup' sport |
| H. 'Glen Tiara' Viktoria Serafin 2003 | R | | gr,ye | | | 'Golden Tiara' sport |
| H. 'Glossy Glory' J. Orlando 2003 | R | | dgr | | | 'Paul's Glory' hybrid |
| H. 'Go-Go Mom' E. Elslager 2003 | R | | str,gr,y | | | 'Galaxy' hybrid |
| H. 'Gold Edger Supreme' M. Zilis/P. & J. Ruh 2003 | R | S | gry | | | 'Gold Edger' sport |
| H. 'Golden Decade' M. Zilis 2003 | R | S | y | | | 'Sum and Substance' x (x venusta) |
| H. 'Golden Pearls' J. Orlando 2003 | R | | gry | | | 'Choko Nishiki' hybrid |
| H. 'Golden Years' M. Zilis/M. Vanous 2003 | R | | y | | | 'Tranquility' sport |
| H. 'Good Vibrations' J. & S. Wilkins 2003 | R | | blgr,crye | | | ('DB-87-1' selfed) x 'Rhapsody in Blue' |
| H. 'Gorgon' Jim Schwarz 2003 | R | S | dgr | | | 'Medusa' sport |
| H. 'Grand Maw JoAnn' J. Orlando 2003 | R | | dgr,crye | | | 'Dorothy Benedict' hybrid |
| H. 'Grand Total' M. Zilis 2003 | R | XL | gr | | | 'Sum and Substance' sport |
| H. 'Great Arrival' M. Zilis/A. Summers 2003 | R | M | blgr,ye | | | 'Great Expectations' sport |
| H. 'Green Army Man' J. Stadden 2003 | R | | gry,gre | | | 'September Sun' sport |
| H. 'Green Cups' T. Schmid 2003 | R | | dgr | | | 'Warwick Comet' sport |
| H. 'Green Kabitan' M. Zilis 2003 | R | | gr | | | 'Kabitan' sport |
| H. 'Green Power' R. Snyder 2003 | R | | dgr | | | 'Paradise Power' sport |
| H. 'Grim Grinning Ghost' J. Stadden 2003 | R | | str,gr,w,we | | | 'Allan P. McConnell' sport |
| H. 'Grünspecht' Heinz Klose 1995/P. & J. Ruh 2003 | R | | gr | | | |
| H. 'Gypsy Rose' Jim Anderson 2003 | R | S | cry,blgre | | | 'Striptease' sport |
| H. 'Hadspen Mystique' J. Wilkins/P. & J. Ruh 2003 | R | | dgr | | | unknown |
| H. 'Hairline Fracture' K. Larsen 2003 | R | ML | gabl,nawe | | | 'Krossa Regal' sport |
| H. 'Harry Torbert' S. & S. Zolock 2003 | R | | dgr | R | | 'Regal Rhubarb' hybrid |
| H. 'Herkules' Heinz Klose 1991/P. & J. Ruh 2003 | R | VL | blgr | | | sieboldiana hybrid |
| H. 'High and Mighty' E. Elslager 2003 | R | | str,dgr,gry | | | 'American Tisch Breeder' hybrid |
| H. 'High, Wide and Handsome' E. Elslager 2003 | R | | gry,dgre | | | ('Dorothy Benedict' F1 seedling) hybrid |
| H. 'High-rise' E. Elslager 2003 | R | | gr,ye | | | 'Sea Prize' x hypoleuca |
| H. 'Holy Molé' Hans Hansen/T. Avent 2003 | R | | ch,dgre | | Y | 'Guacamole' sport |
| H. 'Honey Hill Blue Blood' M. Erb 2003 | R | | blgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Bubble Up' M. Erb 2003 | R | | dgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Eureka' M. Erb 2003 | R | | y | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Pearl Essence' M. Erb 2003 | R | | lbl | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Piece o' Pie' M. Erb 2003 | R | | blgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Pinking Shears' M. Erb 2003 | R | | blgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Pledge Allegiance' M. Erb 2003 | R | | blgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Sidewalk Chalk' M. Erb 2003 | R | | ly | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Stainless Steel' M. Erb 2003 | R | | dgr | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Tokens' M. Erb 2003 | R | | blgr,crwe | | | "unnamed seedlings" hybrid |
| H. 'Honey Hill Wayward Heart' M. Erb 2003 | R | | blgr | | | "unnamed seedlings" hybrid |
| H. 'Hot Wheels' E. Elslager 2003 | R | | dgr,goe | | | 'Kevin Vaughn' hybrid |
| H. 'Hub City' M. Zilis 2003 | R | M | gr | | | 'September Sun' sport |
| H. 'Hulkster' R. Simmering 2003 | R | | dgr | | | 'Blue Umbrellas' hybrid |
| H. 'I'm My Kid's Mom' E. Elslager 2003 | R | | str,gr,y,w | | | 'Color Glory' hybrid |
| H. 'I'm So Pretty' Jim Schwarz 2003 | R | ML | gr,crgoe | | | 'Rosedale Genevieve' sport |
| H. 'Ice Age Trail' M. Zilis 2002/Wisconsin Hosta Society 2003 | R | M | str,bl,cr,w | | | 'Big Daddy' sport |
| H. 'Ice Palace' D. & J. Ward 2003 | R | | blgr | | | 'Buckeye Blue' hybrid |
| H. 'Ichi-ban' Y. Hirose/M. Zilis/A. Malloy 2003 | R | | w,gre | | | (('Swoosh' x venusta) x venusta) sport |
| H. 'Illicit Affair' Winterberry Farms/J. Anderson 2003 | R | S | gr,ye | | | 'Cheatin Heart' sport |
| H. 'Imperial Majesty' V. Sellers/M. Zilis/P. & J. Ruh 2003 | R | | gr | | | 'Hirao Majesty' x 'Hirao Supreme' |
| H. 'Iva Delight' P. & G. Lisik 2003 | R | | w,gre | | | 'Fortunei Hyacinthina' sport |
| H. 'Ivory Necklace' M. Zilis 2003 | R | SM | gr,crwe | | | 'Emerald Necklace' sport |
| H. 'Ivy Parody' G. Braun-Nauerz/P. Warmerdam 2003 | R | | blgr,nacre | | | 'Wide Brim' sport |
| H. 'James A. Garfield' H. Sugita/P. & J. Ruh 2003 | R | | gr | R | | pycnophylla x kiyosumiensis |
| H. 'Jarett H. Park' S. Chamberlain 2003 | R | | dgr | | | 'Hirao Majesty' hybrid |
| H. 'Java' M. Zilis 2003 | R | M | dblgr | | | 'Brim Cup' sport |
| H. 'Jelly Roll Blues' E. Elslager 2003 | R | | str,blgr,y,w | | | 'William Lachman' hybrid |
| H. 'John Q. Adams' Unknown/P. & J. Ruh 2003 | R | | gry | | | unknown |
| H. 'Johnny Angel' S. Asch 2003 | R | | goy | | | unknown |
| H. 'Johnny Oh' J. Orlando 2003 | R | | gry,gre | | | 'June Bug' sport |
| H. 'Joyful' M. Zilis/M. Vanous 2003 | R | SM | dgr,cre | | | 'Joyce Trott' sport |
| H. 'Judi's Joy' Judi Frost/W. Zumbar 2003 | R | | gr,spe,y,w | | | 'Gold Standard' sport |
| H. 'Julia Ariana' R. Snyder 2003 | R | | str,gr,y,cr | | | 'Julia' sport |
| H. 'Jupiter' M. Zilis 2003 | R | ML | gr,ye | | | 'August Moon' sport |
| H. 'Justa Gigolo' Stuart Asch 2003 | R | | gr,str,w | | | "'Dorothy Benedict' seedling #95-18" seedling |
| H. 'Justice' M. Zilis 2003 | R | | str,gr,w | | | 'Elatior' sport |
| H. 'Kasseler Gold' Heinz Klose/P. & J. Ruh 2003 | R | L | goy | | | 'Semperaurea' hybrid |
| H. 'Katie Q' M. Zilis 2003 | R | M | blgr,ye | | | 'Marilyn' sport |
| H. 'Key Lime Pie' H. Hansen 2003 | R | | gr,goe | | | 'Squash Casserole' sport |
| H. 'Ki Nakafu Otome' Japan/M. Zilis 2003 | R | | gry,ye | | | unknown |
| H. 'King Croesus' Alex Malloy 2003 | R | | gry,mot | | | 'Bold Ruffles' hybrid |
| H. 'King Lizard' F. Rogers 2003 | R | | dgr | | | 'Niagara Falls' x 'Grand Canyon' |
| H. 'Klaus von Klitzing' G. Braun-Nauerz 2003 | R | | gr,dgre | | | unknown |
| H. 'Lac de Bretaye' L. Hirsbrunner 2003 | R | | blgr | | | 'Hazel' hybrid |
| H. 'Lady Michelle' S. & S. Zolock 2003 | R | | gry | | | 'Doctor Reath' hybrid |
| H. 'Lakeside a Go Go' Mary Chastain 2003 | R | | w,gre | | | 'Lakeside Knickknack' x 'Lakeside Little Gem' |
| H. 'Lakeside Beach Captain' Mary Chastain 2003 | R | ML | cry,blgre | | | 'Lakeside Shore Master' sport |
| H. 'Lakeside Black Mama' Mary Chastain 2003 | R | | dgr | | | unknown |
| H. 'Lakeside Breaking Waves' Mary Chastain 2003 | R | | blgr | | | unknown |
| H. 'Lakeside Color Blue' Mary Chastain 2003 | R | | bl | | | 'Lakeside Blue Jeans' hybrid |
| H. 'Lakeside Cricket' Mary Chastain 2003 | R | | w,goe | | | 'Lakeside Knickknack' hybrid |
| H. 'Lakeside Down Sized' Mary Chastain 2003 | R | | y,we | | | 'Lakeside Knickknack' hybrid |
| H. 'Lakeside Hoola Hoop' Mary Chastain 2003 | R | | gr,ye | | | "two seedlings" hybrid |
| H. 'Lakeside Iron Man' Mary Chastain 2003 | R | | dgr | | | "two seedlings" hybrid |
| H. 'Lakeside Storm Watch' Mary Chastain 2003 | R | S | dgr | | | 'Lakeside Black Mama' hybrid |
| H. 'Lemon Sorbet' G. Braun-Nauerz/P. Warmerdam 2003 | R | | gry,we | | | 'Lemon Lime' sport |
| H. 'Let Me Entertain You' M. Zilis/M. Vanous 2003 | R | S | gr | | | 'Gypsy Rose Tease' sport |
| H. 'Li'l Abner' M. Zilis/J. Havrada/M. Vanous 2003 | R | M | gr,ye | | | 'Rosedale Daisy Mae' sport |
| H. 'Libby' F. Nyikos 2003 | R | | dgr,lye | | | 'Beatrice' x 'Katrina Jo' |
| H. 'Lighthouse' E. Elslager 2003 | R | | y | | | (F-1 seedling 'Dorothy Benedict') x hypoleuca |
| H. 'Lime Meringue' G. Braun-Nauerz/P. Warmerdam 2003 | R | | gr,we | | | 'Lemon Lime' sport |
| H. 'Little Lulu' A. Malloy 2003 | R | D | goy | | | 'Gingee' hybrid |
| H. 'Little Sister' E. Fisher/P. & J. Ruh 2003 | R | | y | | | 'Sunlight Sister' x 'Sunlight Sister' |
| H. 'Longboard Stringer' J. Stadden 2003 | R | | y | | | 'Subcrocea' x 'Peedee Gold Flash' |
| H. 'Lorelei' D. & J. Ward 2003 | R | | gr,lye | | | 'Breeder's Choice' hybrid |
| H. 'Lost at Sea' H. Hansen 2003 | R | | blgr | | | 'Elvis Lives' hybrid |
| H. 'Lost World' G. R. Goodwin 2003 | R | | dgr | | | 'Gaijin' hybrid |
| H. 'M. Owen Papuga' S. Chamberlain 2003 | R | | dgr | | | 'Sum and Substance' hybrid |
| H. 'Magic Mountain' D. & J. Ward 2003 | R | | blgr | | | montana f. macrophylla hybrid |
| H. 'Marla' D. Courtney 2003 | R | | w,dgre | | | 'Fortunei Aoki' sport |
| H. 'Marquette Park' M. Zilis 2003 | R | M | gr,ye | | | 'Lovely Loretta' sport |
| H. 'Matrix' Mark Zilis/C. Krabbe 2003 | R | SM | crw,gre | | | 'Francee' sport |
| H. 'Mayville' P. & J. Ruh 2003 | R | | y,blgre | | | 'Trails End' sport |
| H. 'Me and My Shadow' Jim Schwarz 2003 | R | | lgr,blgre | | | 'Robert Frost' sport |
| H. 'Merlin' D. & J. Ward 2003 | R | | blgr,lye | | | 'Pin Stripe' hybrid |
| H. 'Merry Christmas' M. Zilis/M. Vanous 2003 | R | S | gr,crwe | | | 'White Christmas' sport |
| H. 'Milk and Honey' P. Lynch 2003 | R | | gr,crwe | | | 'Sugar and Cream' sport |
| H. 'Miss Halley' L. Jones 2003 | R | | y,blgre | | | 'Winfield Blue' sport |
| H. 'Mississippi Gold' R. Simmering/M. Zilis 2003 | R | | goy | | | 'Sagae' hybrid |
| H. 'Mom's Girl' Ed Elslager 2003 | R | | str,dgr,y,cr | | | ('Dorothy Benedict' F-1 seedling) hybrid |
| H. 'Money Honey' Alex Malloy 2003 | R | | y | | | unknown |
| H. 'Mother Lode' Ed Elslager 2003 | R | | str,dgr,y,w | | | 'Sea Prize' x 'Maekawa' |
| H. 'Mountain Dew' M. Zilis 2003 | R | L | go,we | | | 'Choko Nishiki' sport |
| H. 'Munchkin' M. Zilis 2003 | R | S | gr | | | 'Masquerade' sport |
| H. 'Nanc' R. Snyder 2003 | R | | str,gr,w,crwe | | | unknown |
| H. 'Nate the Great' R. Solberg 2003 | R | | blgr | | | nigrescens x 'Tokudama Aureonebulosa' |
| H. 'Nathan Nirvana' S. Asch 2003 | R | | dgr,crwe | | | 'William Lachman' x 'Permanent Wave' |
| H. 'Neferteti' Hans Hansen 2003 | R | | goy,dgre | | | 'King Tut' sport |
| H. 'Niagara on the Lake' J. B. Cumpson 2003 | R | | str,gr,y | | | 'Elatior' sport |
| H. 'None Lovelier' E. Elslager 2003 | R | | gr,grye | RD | | 'Neat Splash' x 'Maekawa' |
| H. 'On Parade' A. Malloy 2003 | R | | crw,gre | PI | | 'Pin Stripe Sister' hybrid |
| H. 'Oracle' D. & J. Ward 2003 | R | | gr | | | unknown |
| H. 'Orange Slices' M. Zilis/M. Vanous 2003 | R | | y>cr | | | 'Orange Marmalade' sport |
| H. 'Orion's Belt' D. & J. Ward 2003 | R | | dgr,we | | | 'Pin Stripe' x montana f. macrophylla |
| H. 'Out of the Blue' Ed Elslager 2003 | R | | str,blgr,y,cr | | | ('Dorothey Benedict' F-1 seedling) hybrid |
| H. 'Outer Space' Alex Malloy 2003 | R | | gr,we | | | 'Outer Limits' sport |
| H. 'Pacific Sunset' G. R. Goodwin 2003 | R | | blgr,crwe | | | "blue splashed seedling" sport |
| H. 'Paul Revere' Mark Zilis 2003 | R | M | cr,dgre | | | 'Patriot' sport |
| H. 'Pay Day' Alex Malloy 2003 | R | | y | | | 'Cascades' hybrid |
| H. 'Peter Ruh' Mark Zilis 2003 | R | L | dgr,ye | | | 'Paul's Glory' sport |
| H. 'Pie in the Sky' Ed Elslager 2003 | R | | str,blgr,y,cr | | | 'William Lachman' hybrid |
| H. 'Piedmont Special' M. Zilis 2003 | R | L | dgr,ye | | | 'Piedmont Gold' sport |
| H. 'Pineapple Juice' M. Zilis/R. Solberg 2003 | R | | goy | | | 'Pineapple Upsidedown Cake' sport |
| H. 'Pipin the Short' Alex Malloy 2003 | R | D | gr,we | | | 'Captain Atom' x venusta |
| H. 'Planetary Streaker' Ed Elslager 2003 | R | | str,dgr,y,w | | | 'Foxy Doxy' hybrid |
| H. 'Plug Nickel' R. Solberg/N. Solberg 2003 | R | | dgr | | | 'Cracker Crumbs' sport |
| H. 'Prairie Magic' M. Zilis 2003 | R | | dgr,ye | | | 'Erie Magic' sport |
| H. 'Prairieland Memories' M. Zilis/Central Illinois Hosta Society 2003 | R | M | y>ch | | Y | 'Royal Standard' sport |
| H. 'Prince Michael' S. & S. Zolock 2003 | R | | gry | | | 'Yellow Waves' hybrid |
| H. 'Princess Hannah' S. & S. Zolock 2003 | R | | gry | | | 'Chinese Sunrise' hybrid |
| H. 'Principal's List' Stuart Asch 2003 | R | | str,blgr,cr | | | "'Dorothy Benedict' seedling 'HB1'" seedling |
| H. 'Puck' M. Zilis/B. Zumbar 2003 | R | S | gr | | | 'Just So' sport |
| H. 'Purple Verticulated Elf' H. Benedict 2003 | R | | bl>pu | | | "seedling of F6 seedling of 'Dorset Blue'" selfed |
| H. 'Rainforest Sunrise' Winterberry Farms/J. Anderson 2003 | R | | y,gre | | | 'Maui Buttercups' sport |
| H. 'Raleigh Remembrance' M. Zilis/Carolina Hosta Society 2003 | R | L | y | | | 'Sum and Substance' x plantaginea |
| H. 'Raspberry Meringue' M. Zilis 2003 | R | | gry,dgre | | | 'Raspberry Sorbet' sport |
| H. 'Raving Beauty' G. R. Goodwin 2003 | R | | goy | | | unknown |
| H. 'Regal Heir' S. Tylinski 2003 | R | | str,blgr,w | | | 'Krossa Regal' sport |
| H. 'Regal Rumor' Michael Laico 2003 | R | | str,gr,y,w | | | unknown |
| H. 'Reginald Kaye' Reginald Kaye Nursery/H. Klose/P. & J. Ruh 2003 | R | S | dgr | | | unknown |
| H. 'Reverie' J. & S. Wilkins 2003 | R | | crw,blgre | | | 'Herb Benedict' x 'Love Pat' |
| H. 'Rhein' Heinz Klose 1988/P. & J. Ruh 2003 | R | S | blgr | | | tardiflora sport |
| H. 'Righteous Rays' R. Snyder 2003 | R | | goy | | | 'Sum and Substance' hybrid |
| H. 'Rocky Fork' D. & J. Ward 2003 | R | | blgr | | | unknown |
| H. 'Royal Charm' M. Zilis 2003 | R | | lgr | | | 'Royal Tiara' sport |
| H. 'Salty Dog' J. Stadden 2003 | R | | gry,gre | | | 'Emerald Tiara' hybrid |
| H. 'Santa Claus' Alex Malloy 2003 | R | | gr,we | | | 'Christmas Tree Gala' hybrid |
| H. 'Savannah Emerald' Mark Zilis 2003 | R | ML | gr | | Y | 'Savannah' sport |
| H. 'Savannah Supreme' Mark Zilis 2003 | R | ML | str,gr,cr,w | | Y | 'Savannah' sport |
| H. 'Scally Cap' Josh Stadden 2003 | R | | gr | PUB | | "'Bravo' F1 seedling" hybrid |
| H. 'Seaside Splendor' S. Tylinkski 2003 | R | | blgr,str,w | | | 'Sea Prize' x 'Tokudama' |
| H. 'Semperaurea' Japan/K. Foerster/P. & J. Ruh 2003 | R | L | ygr>y | | | unknown |
| H. 'Shady Affair' G. Johnson/Russ O'Harra Hosta Society 2003 | R | M | blgr | | Y | 'Invincible' hybrid |
| H. 'Shapur's Sceptre' Alex Malloy 2003 | R | | lgr | PU | | 'Beatrice' hybrid |
| H. 'Silverdale' R. Kaye/H. Klose/P. & J. Ruh 2003 | R | M | bl | | | unknown |
| H. 'Sky Dancer' Danny Van Eechaute 2003 | R | | bl | PUD | | 'Paradise Red Delight' hybrid |
| H. 'Sleepy Hollow' Alex Malloy 2003 | R | | dgr,gre | PU | | 'Polychrome' sport |
| H. 'Special Occasion' J. & S. Wilkins 2003 | R | | dgr | | | unknown |
| H. 'Subtlety' Alan Tower/Tower Perennial Gardens 2003 | R | S | lgr,brye | | | 'Little Aurora' sport |
| H. 'Sugar and Spice' Mark Zilis 2003 | R | | dgr,crwe | | | 'Invincible' sport |
| H. 'Sugar Daddy' Mark Zilis/M. Vanous 2003 | R | | bl,cre | | | 'Big Daddy' sport |
| H. 'Sum Like it Hot' J. Vrable/E. Elslager 2003 | R | | gr,str,y,w | | | 'Sum and Substance' sport |
| H. 'Sum of All' Mark Zilis 2003 | R | XL | dgr,brye | | | 'Sum and Substance' sport |
| H. 'Summer Rapture' S. Tylinski 2003 | R | | y | | | 'Fascination' x 'Summer Music' |
| H. 'Sun Kissed' Bob Solberg 2003 | R | M | gry,we | | Y | 'Sweet Sunshine' sport |
| H. 'Sweetness' Mark Zilis 2003 | R | | gr | | Y | 'So Sweet' sport |
| H. 'Table Six' D. Grande 2003 | R | | blgr,we | | | "'Frances Williams' seedling" sport |
| H. 'Terminator' Ed Elslager 2003 | R | | str,blgr,y,cr | | | "streaked 'Loch Ness' seedling" hybrid |
| H. 'Tidewater' M. Zilis/ECGC Distributers 2003 | R | | blgr | | | kikutii f. leuconota x 'Elegans' |
| H. 'Tom's Baby' J. Dishon/T. Schmid 2003 | R | | gry,str,y,cr | | | 'Sea Prize' x 'Love Pat' |
| H. 'Tom's Dream' Mark Zilis/Northern Illinois Hosta Society 2003 | R | S | str,gr,w | | | 'Joyce Trott' sport |
| H. 'Tomoko' Heinz Klose 1991/P. & J. Ruh 2003 | R | ML | bl | | | tardiflora hybrid |
| H. 'Totally Awe Sum' M. Koller 2003 | R | | lgr,w,grye | | | 'Sum and Substance' sport |
| H. 'Tough Hombre' Ed Elslager 2003 | R | | gr,str,y | | | 'Galaxy' hybrid |
| H. 'Turner Junction' Mark Zilis 2003 | R | | blgr | | | 'Spinning Wheel' sport |
| H. 'Ultramarine' Mark Zilis/M. Vanous 2003 | R | M | bl | | | 'Sea Lotus Leaf' x kikutii f. leuconota |
| H. 'Van Wade Blue' M. Zilis/Van Wade 2003 | R | | blgr | | | unknown |
| H. 'Vanguard' D. & J. Ward 2003 | R | | gry | | | montana f. macrophylla x 'Sagae' |
| H. 'Velvet Moon' H. Hansen/Naylor Creek 2003 | R | | dgr,ye | | | 'Abiqua Moonbeam' sport |
| H. 'Venetian Blue' Mark Zilis 2003 | R | | blgr | | | (tardiflora x 'Marilyn') x tardiflora |
| H. 'Victory' M. Zilis/R. Solberg 2003 | R | XL | gr,(ch>cr)e | | | 'Elatior' sport |
| H. 'Waterworks' Alex Malloy 2003 | R | | gr,str,lgr,w | | | 'Loleta Powell' x 'Bizarre' |
| H. 'Weihenstephan' Müssel 1970/Klose 1977/P. & J. Ruh 2003 | R | S | gr | | | sieboldii 'Alba' hybrid |
| H. 'Weser' Heinz Klose 1988/P. & J. Ruh 2003 | R | SM | bl | | | tardiflora hybrid |
| H. 'Whirling Dervish' Mark Zilis/R. Solberg 2003 | R | | gr,we | | | 'Whirlwind' sport |
| H. 'Will of Fortune' R. Livingston/Stuart Asch 2003 | R | | blgr | | | 'Ritz' hybrid |
| H. 'Willamette' C. Tompkins/C. Purtymun/P/ & J. Ruh 2003 | R | | lgr | | Y | plantaginea x 'Royal Standard' |
| H. 'Winfield Mist' M. Zilis 2003 | R | | str,blgr,w,blgre | | | 'Winfield Blue' sport |
| H. 'Winter Snow' Winterberry Farms/J. Anderson 2003 | R | VL | gr,(cr>w)e | | | 'Sum and Substance' sport |
| H. 'Woolly Mammoth' M. Zilis/K. Queller-Zilis 2003 | R | VL | blgr,goe | | | 'Blue Mammoth' sport |
| H. 'Xela' J. Hartmann 2003 | R | | gr,grye | | | 'August Moon' sport |
| H. 'Yojimbo' D. & J. Ward 2003 | R | | gr | | | 'Sagae' hybrid |
| H. 'You Light Up My Life' Ed Elslager 2003 | R | | dgr,crwe | | | 'Foxy Doxy' x 'Maekawa' |
| H. 'Za Za Zoom' Stuart Asch 2003 | R | | y | | | 'Gold Standard' hybrid |
| H. 'Zager's Tokudama' H. Zager/P. & J. Ruh 2003 | R | | dgr | | | 'Tokudama' hybrid |
| H. 'Zippy Zepps' S. Tylinsky/Alex Malloy 2003 | R | | str,blgr,y | | | 'Regal Splendor' sport |
| H. 'Zitronenfalter' Heinz Klose 1988/P. & J. Ruh 2003 | R | M | y>ygr | | | unknown |
| H. 'Zydeco' Ed Elslager 2003 | R | | blgr,ye | | | 'Sea Prize' x hypoleuca |