| Hostaname | RG | SZ | Leaf color | P | F | Origin |
| H. 'G String' J. Mann Jr. 1996 | R | | str,gry,y,dgre | | | 'Gold Standard' sport |
| H. 'Gadzooks' Alex Malloy 2004 | R | S | w,gre | | | (x 'Waterworks') sport |
| H. 'Gaiety' Paul Aden 1986 | R | SM | y/ch,we | | | 'Aden 421' x 'Blessings' |
| H. 'Gaijin' Japan/M. Zilis/W. Zumbar 1995 | R | D | dgr,naye | | | unknown |
| H. 'Gala' Paul Aden 1978 | R | SM | gr,ye | | | tardiflora selfed |
| H. 'Galactic Starburst' E. Elslager 1999 | R | | str | | | 'Starburst' hybrid |
| H. 'Galaxy' William & Eleanor Lachman 1987 | R | ML | str,cr,w,gr | | | (x 'Beatrice') x 'Frances Williams' |
| H. 'Galaxy Light' William & Eleanor Lachman 1991 | R | M | y,gre | | | 'Galaxy' sport |
| H. 'Gamma Ray' Alex Malloy 1999 | R | | w,dgre | | | 'Striptease' sport |
| H. 'Gandalf' P. Lydon 1999 | R | M | (blgr>dgr),crwe | | | 'Neat Splash' x sieboldiana 'Elegans' |
| H. 'Ganny Sandy' F. Nyikos 2007 | R | | lgr,crwe | | | 'Beatrice' x hypoleuca |
| H. 'Garden Bouquet' Van M. Sellers 1983 | R | M | str,gr,ye | | Y | 'Iron Gate Bouquet' sport |
| H. 'Garden Center' G. R. Goodwin 2003 | R | | crw,gre | | | 'William Lachman' seedling |
| H. 'Garden Gate' J. Stadden 2001 | R | | str,gr,y,w | | | 'Iron Gate Glamour' sport |
| H. 'Garden Magic' Paul Aden 1980 | R | ML | str,blgr,ch,w | | | 'Intrigue' x "seedling" |
| H. 'Garden Party' M. Zilis/R. Solberg 2002 | R | | y,gre | | | 'Golden Sculpture' sport |
| H. 'Garden Treasure' Schwarz 1997 | R | ML | gr,cre | | | 'Treasure' sport |
| H. 'Garnet Prince' Pauline Banyai/Jim Dishon 1991 | R | ML | dgr | R | | nigrescens hybrid |
| H. 'Garnet Spires' Don Dean 2005 | R | | lgr | | | ('Liberty Bell' x ('Urajiro Hachijo' x pycnophylla)) x (longipes x kikutii) |
| H. 'Gary Rivera' S. & S. Zolock 2006 | R | | blgr | | | |
| H. 'Gary Rolls' S. & S. Zolock 2006 | R | | gry | | | |
| H. 'Gathering of Eagles' E. Elslager 2005 | R | G | blgr,str,gr,y | | | (x 'Galaxy') seedling |
| H. 'Gay Blade' William & Eleanor Lachman 1988 | R | SM | gagr,we | | | ('Resonance' x 'Lachman P14') x 'Halcyon' |
| H. 'Gay Feather' Ralph H. Benedict 1983 | R | SM | crw,dgre | | | 'Yellow Splash' sport |
| H. 'Gay Nineties' Belle Gardens 1994 | R | M | dgr,crwe | | | 'William Lachman' x montana |
| H. 'Gay Search' Richard & Mary Ford 2004 | R | L | blgr,(y>gr)e | | | 'Krossa Regal' sport |
| H. 'Gaynor Miller' A & D Nursery/D. Smetana 1993 | R | L | lgr | | | 'Sea Gold Star' sport |
| H. 'Gazpacho' E. Elslager 2003 | R | | str,lgr,y | | | 'Sea Prize' x hypoleuca |
| H. 'Geisha' Kevin C. Vaughn 1983 | R | DS | ch,gre | | | "Variegated seedling" selfed |
| H. 'Geissler's Edge' Julia Geissler/P. & J. Ruh 2005 | R | S | gr,we | | | unknown |
| H. 'Gekko' Japan/P. Ruh 2002 | R | | lgr,cre | | | unknown |
| H. 'Gemstone' Tony Avent 2005 | R | S | blgr | | | venusta x 'Dorset Blue' |
| H. 'Gene Summers' Paul Aden 1978 | R | M | str,dgr,w,y | | | 'Flamboyant' x 'Intrigue' |
| H. 'Genesee Genco' Peter Brandt-Sorheim 2000 | R | | | | | unknown |
| H. 'Genesee Gypsy' P. Brandt-Sorheim 1999 | R | | | | | unknown |
| H. 'Genesee Splashing' P. Brandt-Sorheim 1999 | R | | | | | unknown |
| H. 'Genesee Watchtower' P. Brandt-Sorheim 1999 | R | | | | | unknown |
| H. 'Geneva Remembrance' G. & D. Stark/D. Dean 1996 | R | M | bl | | | 'Big Daddy' hybrid |
| H. 'Geneva Stark' Walden West/J. Hyslop 1999 | R | S | w,dgre | | | 'Mountain Green' sport |
| H. 'Gentle Giant' P. Black 2005 | R | | blgr | | | 'Frances Williams' seedling |
| H. 'George Smith' George W. Smith 1983 | R | L | y,blgre | | | sieboldiana 'Elegans' sport |
| H. 'George W.' Ed Elslager 2001 | R | L | str,gr,y | | | 'Dorothy Benedict' x 'Incredible Hunk' |
| H. 'Get Nekkid' Tony Avent 2006 | R | | gr | | | 'Elvis Lives' x 'Treasure Island' |
| H. 'Ghost Spirit' C. Isaacs 1999 | R | M | str,bl,w | | | 'Valentine Lace' sport |
| H. 'Ghostface' Stuart Asch 2000 | R | 8 | gr,ye | | | 'Fortunei Hyacinthina' sport |
| H. 'Giant Streaker' Ed Elslager 2004 | R | G | blgr,str,y | | | (x 'Dorothy Benedict') sport |
| H. 'Gig Harbor' Alan Tower/Tower Perennial Gardens 1996 | R | M | blgr | | | tardiflora hybrid |
| H. 'Gil Jones' Ralph and Dorothy Benedict 1990 | R | L | blgr,ye,str,w | | | 'Dorothy Benedict' selfed |
| H. 'Gilded Cage' E. Elslager 2005 | R | | dgr,grye | | | "'Dorothy Benedict' F1" seedling |
| H. 'Gilded Cup' L. Powell 1999 | R | M | gr,ye | | | 'Zounds' sport |
| H. 'Gilded Teacup' M. Zilis/K. Queller-Zilis 2003 | R | SM | gr,goe | | | 'Golden Teacup' sport |
| H. 'Gilded Tiara' Walters Gardens 1998 | R | | gry,ye | | | 'Grand Tiara' sport |
| H. 'Gilt by Association' Kevin Walek 2000 | R | M | y>gr | PUD | | pycnophylla x pycnophylla |
| H. 'Gilt Edge' Chet W. Tompkins/P. Ruh 2002 | R | L | blgr,ye | | | (x sieboldiana) sport |
| H. 'Ginbuchi Tachi' Japan/P. Ruh 2002 | R | | gr,we | | | unknown |
| H. 'Gingee' Russ O'Harra 1986 | R | S | y | | | 'Subcrocea' hybrid |
| H. 'Ginko Craig' Craig/Summers/AHS 1986 | R | SM | gr,we | | | unknown |
| H. 'Ginsu Knife' R. Solberg 2002 | R | | gr,cre | | Y- | 'Iron Gate Supreme' x 'Green Fountain' |
| H. 'Ginsu Knife Supreme' Bob Solberg/Jim Schwarz 2005 | R | | gr,str,(y>w),(y>w)e | | | 'Ginsu Knife' sport |
| H. 'Glacial Lake' Walden West/J. Hyslop 1999 | R | L | bl | | | 'Sagae' x sieboldiana 'Elegans' |
| H. 'Glacier Cascade' M. Zilis/P. Cross 1999 | R | | gr | | | kikutii x hypoleuca |
| H. 'Gladiator' R. Snyder 2001 | R | | gry,ye | | | 'Spotlight' sport |
| H. 'Glen Tiara' Viktoria Serafin 2003 | R | | gr,ye | | | 'Golden Tiara' sport |
| H. 'Gloria Jean' J. Kulpa 1999 | R | M | lgr,cre | | | 'Fascination' hybrid |
| H. 'Gloriosa' Krossa/Summers/AHS 1986 | R | SM | dgr,we | | | unknown |
| H. 'Glorious Gold' I. Johnson 2001 | R | | y | | | 'Paul's Glory' hybrid |
| H. 'Glory' Robert P. Savory 1985 | R | SM | y | | | 'August Moon' hybrid |
| H. 'Glory Hallelujah' Hans Hansen 2007 | R | | blgr,ye | | | 'Paul's Glory' sport |
| H. 'Glossy Glory' J. Orlando 2003 | R | | dgr | | | 'Paul's Glory' hybrid |
| H. 'Glowing Sparklers' E. Elslager 2005 | R | | crw,str,gr,y | | | 'Merry Sunshine' sport |
| H. 'Go for Broke' D. Stevens/A. Malloy 2000 | R | 4 | gr,crwe | | | unknown |
| H. 'Go-Go Mom' E. Elslager 2003 | R | | str,gr,y | | | 'Galaxy' hybrid |
| H. 'Goddess of Athena' Kuk's Forest 1987 | R | M | gr,cre | | | 'Decorata' selfed |
| H. 'Godzilla' Dick & Jane Ward 1996 | R | | gr | | | 'Big John' x montana f. macrophylla |
| H. 'Gold Braid' C. Seaver 2004 | R | | ch>y | | | 'Starboard Light' seedling |
| H. 'Gold Bug' D. & J. Ward 2000 | R | | go | | | 'Serendipity' hybrid |
| H. 'Gold Cadet' Paul Aden 1974 | R | SM | ych | | | unknown |
| H. 'Gold Coast' Pauline Banyai 1986 | R | M | chy | | | unknown |
| H. 'Gold Cover' Kevin C. Vaughn 1982 | R | S | y | | | "gold seedling" x "gold seedling" |
| H. 'Gold Cup' Paul Aden 1978 | R | M | y | | | 'Tokudalma Aureonebulosa' x 'Golden Prayers' |
| H. 'Gold Dorothy of Richland' Shirley & Van Wade/Herb & Dorothy Benedict 1995 | R | ML | y | | | 'Dorothy Benedict' hybrid |
| H. 'Gold Drop' Kenneth A. Anderson 1977 | R | S | y | | | venusta x 'August Moon' |
| H. 'Gold Edger' Paul Aden 1978 | R | SM | y | | | 'Blue Cadet' selfed |
| H. 'Gold Edger Supreme' M. Zilis/P. & J. Ruh 2003 | R | S | gry | | | 'Gold Edger' sport |
| H. 'Gold Edger Surprise' M. Zilis/P. & J. Ruh 2002 | R | S | y,we | | | 'Gold Edger' sport |
| H. 'Gold Flush' Alan Bloom 1984 | R | M | str,y,gr,ywe | | | ventricosa 'Aureomaculata' sport |
| H. 'Gold Glory' Ransom Lydell 1995 | R | ML | ch>y>w | | | 'Paul's Glory' hybrid |
| H. 'Gold Haze' Eric B. Smith/BHHS 1988 | R | M | y>gr | | | 'Fortunei Aurea' hybrid |
| H. 'Gold Leaf' Eric B. Smith/BHHS 1988 | R | M | y | | | 'Fortunei Aurea' hybrid |
| H. 'Gold Pan' Paul Aden 1978 | R | ML | y | | | 'Golden Waffles' x 'Gold Cup' |
| H. 'Gold Piece' Kevin C. Vaughn 1983 | R | L | dgr,yc | U | Y- | "2 seedlings that include ventricosa,tibae,plantaginea,nigrescens" hybrid |
| H. 'Gold Rags' R. Lysne 2006 | R | | dgr,goye | | | 'Sheer Bliss' selfed |
| H. 'Gold Regal' Paul Aden 1974 | R | ML | y | | | unknown |
| H. 'Gold Ribbon' F. Nyikos 2002 | R | | y>ch | | | 'Kabitan' x 'Anne Arett' |
| H. 'Gold Spring' M. Plater-Zyberk/B. Banyai 1999 | R | | y>gr | | | 'Kabitan' hybrid |
| H. 'Gold Standard' Pauline Banyai 1976 | R | ML | y,gre | | | 'Fortunei Hyacinthina' sport |
| H. 'Gold Vein' Eric B. Smith/BHHS 1988 | R | M | y | | | |
| H. 'Goldbrook' Sandra Bond 1989 | R | M | gr,(y>cr)e | | | 'Fortunei' sport |
| H. 'Goldbrook Genie' Sandra Bond 1989 | R | S | gabl | | | nakaiana hybrid |
| H. 'Goldbrook Gold' Sandra Bond 1989 | R | ML | y>gry | | | sieboldiana hybrid |
| H. 'Goldbrook Grace' Sandra Bond 1989 | R | S | y,gre | | | 'Golden Prayers' sport |
| H. 'Goldee' R. Whitmore 1999 | R | S | goy | | | 'Zounds' x 'Lemon Lime' |
| H. 'Golden Age' Eric B. Smith/BHHS 1988 | R | M | y | | | 'Fortunei Aurea' hybrid |
| H. 'Golden Anniversary' Gladys Holly 1968/E. Fisher/Peter Ruh 1998 | R | ML | y>gr | | | unknown |
| H. 'Golden Arrow' R. Herman 1996 | R | | ygo | | | clausa var. normalis hybrid |
| H. 'Golden Ballerina' H. Lantis/K. Squires/P. Ruh 1998 | R | SM | ch | | | unknown |
| H. 'Golden Bullion' Pierre Bennerup/Peter Ruh 1989 | R | ML | y | | | 'Tokudama Flavocircinalis' sport |
| H. 'Golden Cascade' Ralph H. Benedict 1984 | R | ML | ygr | | | 'Gold Regal' x (x 'Gold Regal') |
| H. 'Golden Chimes' Vivian Grapes 1979 | R | ML | y | | | 'Tokudama' hybrid |
| H. 'Golden Circles' Frances Williams/Peter Ruh 1998 | R | L | blgr,ye | | | 'Frances Williams' sport |
| H. 'Golden Decade' M. Zilis 2003 | R | S | y | | | 'Sum and Substance' x (x venusta) |
| H. 'Golden Delight' Kuk 1994 | R | ML | y | | | 'Wayside Blue' hybrid |
| H. 'Golden Dome' F. Rogers 2005 | R | | y | | | unknown |
| H. 'Golden Dove' B. Dove/W. Dove 2006 | R | | gry | | | |
| H. 'Golden Eagle' R. Benedict 1998 | R | L | blgr,ye | | | 'Gold Regal' hybrid |
| H. 'Golden Empress' Bob Kuk 1990 | R | SM | y | | | 'Wayside Blue' hybrid |
| H. 'Golden Fascination' AHS 1986 | R | ML | y>gr | | | 'Fascination' sport |
| H. 'Golden Flame' Mark R. Zilis 1990 | R | | y>w | | | 'Sagae' sport |
| H. 'Golden Fountain' Jim Dishon 1993 | R | M | y>| | | 'Beatrice' x 'Green Fountain' | |
| H. 'Golden Friendship' Hideko Gowen 1991 | R | SM | ch>goy | | | unknown |
| H. 'Golden Gate' Bill Brincka/Olga Petryszyn 1994 | R | L | y | | | (x nigrescens) x 'Blue Whirls' |
| H. 'Golden Gem' K. Squires/Lantis Collection/P. & J. Ruh 2005 | R | | gry | | | venusta hybrid |
| H. 'Golden Girl' Ken Anderson 1982 | R | M | y | | | unknown |
| H. 'Golden Gloves' Ed Elslager 2000 | R | | goy | | | 'Sea Prize' x 'Maekawa' |
| H. 'Golden Goal' Doug Beilstein/Mark Zilis 2006 | R | | goy | | | 'Glory' seedling |
| H. 'Golden Guernsey' Ruh 1992 | R | ML | y | | | 'High Fat Cream' sport |
| H. 'Golden Hawk' Ralph H. Benedict 1984 | R | SM | gry>ygr | | | 'Hadspen Hawk' selfed |
| H. 'Golden Jubilee' Robert P. Savory/Savory Gardens 1995 | R | D | y | | | (x nakaiana) hybrid |
| H. 'Golden Maple' Eldren W. Minks 1980 | R | L | y | | | 'Frances Williams' sport |
| H. 'Golden Medallion' Mervin Eisel/AHS 1984 | R | M | y | | | 'Tokudama Aureonebulosa' sport |
| H. 'Golden Melody' Ran Lydell 2001 | R | L | gr>chy | | | 'Summer Music' sport |
| H. 'Golden Nugget' Violet Cooley 1969 | R | SM | y | | | 'Frances Williams' hybrid |
| H. 'Golden Oriole' Eric B. Smith/BHHS 1988 | R | SM | y>gr | | | 'Kabitan' x 'Hadspen Heron' |
| H. 'Golden Pearls' J. Orlando 2003 | R | | gry | | | 'Choko Nishiki' hybrid |
| H. 'Golden Picture' Benedict 1995 | R | M | y | | | 'Fortunei Albopicta' sport |
| H. 'Golden Piecrust' Coletta Noffsinger/Kevin Walek 2000 | R | | y | | | 'Sum and Substance' sport |
| H. 'Golden Plum' C. Lewis 1968/A. Summers/P. Ruh 1997 | R | SM | y>gr | | | unknown |
| H. 'Golden Prayers' Paul Aden 1976 | R | SM | y | | | 'Gold Cadet' x 'Golden Waffles' |
| H. 'Golden Rajah' Paul Aden 1976 | R | M | y | | | (x 'Aspen Gold') x (x 'Tokudama Aureonebulosa') |
| H. 'Golden Ripples' Floyd Rogers 1999 | R | | y | | | unknown |
| H. 'Golden Ruffles' Paul Aden 1976 | R | M | y | | | 'Gold Cadet' x 'Aden 388' |
| H. 'Golden Samurai' P. Ruh 2000 | R | L | goy,ye | | | 'Frances Williams' sport |
| H. 'Golden Scepter' Robert P. Savory 1983 | R | S | y | | | 'Golden Tiara' sport |
| H. 'Golden Sculpture' Ken Anderson 1982 | R | ML | y | | | unknown |
| H. 'Golden Simplicity' F. Rogers 2005 | R | | y | | | unknown |
| H. 'Golden Spades' Kuk's Forest 1986 | R | DS | y | | | 'Kabitan' hybrid |
| H. 'Golden Spider' Gretchen Harshbarger/Peter Ruh 1987 | R | SM | ygr>gr | | | unknown |
| H. 'Golden Sunburst' Mervin Eisel/AHS 1984 | R | ML | y | | | 'Frances Williams' sport |
| H. 'Golden Surprise' Lucy Simpers/Peter Ruh 1991 | R | SM | y>ch | | | nakaiana hybrid |
| H. 'Golden Teacup' Jill & Jim Wilkins 1989 | R | SM | y>ch | | | 'Aspen Gold' x 'Gold Regal' |
| H. 'Golden Tiara' Robert P. Savory 1977 | R | SM | gr,(y>ch)e | | | nakaiana seedling |
| H. 'Golden Tiers' Bob Kuk 1990 | R | D | ygr | | | unknown |
| H. 'Golden Torch' Ralph H. Benedict 1984 | R | ML | gr,ygre | | | 'Gold Regal' selfed |
| H. 'Golden Tusk' Mark Zilis 2004 | R | M | goy | | | 'Woolly Mammoth' sport |
| H. 'Golden Waffles' Paul Aden 1976 | R | ML | ch>y | | | 'Gold Cadet' x 'Aden 388' |
| H. 'Golden Wheels' Eldren W. Minks 1976 | R | ML | y | | | 'Wagon Wheels' sport |
| H. 'Golden Years' M. Zilis/M. Vanous 2003 | R | | y | | | 'Tranquility' sport |
| H. 'Goldeneye' E. Elslager 2000 | R | | str,dgr,y | | | 'Sea Prize' x 'Halcyon' |
| H. 'Goldfinch' G. Johnson/L. Fergusen 2004 | R | S | y,we | | | 'Little Wonder' x 'Chartreuse Wiggles' |
| H. 'Goldilocks' Maxine Armstrong 1970 | R | ML | y | | | 'Tokudama' hybrid |
| H. 'Goldsmith' Eric B. Smith/BHHS 1988 | R | SM | y | | | 'Fortunei' hybrid |
| H. 'Goliath ' Jamison Harrison/AHS 1986 | R | L | gr | | | unknown |
| H. 'Gondola' E. Elslager 2000 | R | | gr,ye | | | 'Outrigger' sport |
| H. 'Good Golly Miss Molly' Stuart Asch 2004 | R | M | dgr,str,y,w | STR | | 'Seducer' sport |
| H. 'Good Lovin' Alex Malloy 2002 | R | | gr,we | | | 'Love Bug' sport |
| H. 'Good Night Irene' Mark Mulzer 2005 | R | | lgr,dgr,we | | | 'Lakeside Cha Cha' sport |
| H. 'Good Vibrations' J. & S. Wilkins 2003 | R | | blgr,crye | | | ('DB-87-1' selfed) x 'Rhapsody in Blue' |
| H. 'Goody Goody' Ralph H. Benedict 1987 | R | S | w,nagre,str | | | 'Neat Splash' selfed |
| H. 'Goosebumps' E. Elslager 1998 | R | | dgr | | | 'Fortunei Hyacinthina' sport |
| H. 'Gorgeous George' M. Zilis/P. & J. Ruh 2002 | R | M | gr | | | 'Celebration' sport |
| H. 'Gorgon' Jim Schwarz 2003 | R | S | dgr | | | 'Medusa' sport |
| H. 'Gosan Gold Midget' W. George Schmid 1989 | R | D | y | | | venusta x 'Golden Prayers' |
| H. 'Gosan Gold Sword' W. George Schmid 1989 | R | S | ygr>y | | | alismifolia x rectifolia 'Ogon' |
| H. 'Gosan Hildegarde' W. George Schmid 1989 | R | DS | y>gr>y | | | 'Golden Prayers' x 'Ginko Craig' |
| H. 'Grace McClure' D. & J. Ward 1998 | R | M | dgr,wcrwe | | | 'Pin Stripe' hybrid |
| H. 'Graceland' L. Jones 2006 | R | | dgr,gre | | | 'Elvis Lives' seedling |
| H. 'Granada' W. Zumbar 1995 | R | S | str,bl,gr | | | 'Pearl Lake' sport |
| H. 'Granary Gold' Eric B. Smith/BHHS 1988 | R | M | y>ch | | | (x 'Fortunei Aurea') sport |
| H. 'Grand Boys' F. & S. Freeman/Rod Kuenster 2006 | R | | gr,lye | | | 'Tall Boy' sport |
| H. 'Grand Canyon' Petryszyn-Brincka 1995 | R | L | gr>y | | | 'Sum and Substance' x montana f. macrophylla |
| H. 'Grand Finale' R. Benedict/J. & J. Wilkins 1995 | R | M | dgr | | | 'Maruba Iwa' hybrid |
| H. 'Grand Marquee' M. Laviana/A. Malloy 2001 | R | M | crw,blgre | | | 'Carder Blue' sport |
| H. 'Grand Master' Paul Aden 1986 | R | ML | blgr,we | | | unknown |
| H. 'Grand Maw JoAnn' J. Orlando 2003 | R | | dgr,crye | | | 'Dorothy Benedict' hybrid |
| H. 'Grand Prize' Walters Gardens 1998 | R | SM | gr,ye>cre | | | 'Grand Tiara' sport |
| H. 'Grand Slam' Herb Benedict/Hideko Gowen 1990 | R | SM | dgr | PUD | | unknown |
| H. 'Grand Tiara' Ali Pollock 1991 | R | SM | gr,(y>ch)e | | | 'Golden Tiara' sport |
| H. 'Grand Total' M. Zilis 2003 | R | XL | gr | | | 'Sum and Substance' sport |
| H. 'Grandchild' Jim Schwarz 1999 | R | S | str | | | 'Dorothy Benedict' hybrid |
| H. 'Grandeur' E. Elslager 2001 | R | | str,gr,y | | | 'William Lachman' x 'Halcyon' |
| H. 'Grandma's Gem' R. Snyder 2001 | R | | gry | | | 'Dorset Blue' hybrid |
| H. 'Granny's Rouge' D. & M. Beilstein 2007 | R | | lgr | R | | 'Sweet Susan' x 'Hirao Majesty' |
| H. 'Grant Park' Mark Zilis 2006 | R | M | dgr | | | 'Marquette Park' sport |
| H. 'Grasshopper' Dennis P. Savory 2000 | R | L | gr | | Y+ | 'Invincible' hybrid |
| H. 'Gray Cole' Kuk's Forest 1985 | R | L | blgr | | | sieboldiana sport |
| H. 'Gray Fox' R. Lydell 1998 | R | | blgr | | | unknown |
| H. 'Gray Streaked Squiggles' Henry Ross/Peter Ruh 1978 | R | S | str,gr,w | | | unknown |
| H. 'Greased Lightning' Kuk's Forest/Bob Kuk 2005 | R | | goy,crye | | | 'Prairie Fire' sport |
| H. 'Great American Expectations' Van Wade/Ed Elslager 1999 | R | | | | | 'Great Expectations' sport |
| H. 'Great Arrival' M. Zilis/A. Summers 2003 | R | M | blgr,ye | | | 'Great Expectations' sport |
| H. 'Great Caesar's Ghost' S. Markland 2002 | R | | blgr | | | unknown |
| H. 'Great Desire' Eunice V. Fisher 1973 | R | ML | gr | | | 'Crispula' hybrid |
| H. 'Great Escape' Jan van den Top 2006 | R | | blgr,crwe | | | 'Halcyon' sport |
| H. 'Great Expectations' John Bond/Paul Aden 1988 | R | ML | chc>ywc,gre | | | sieboldiana 'Elegans' sport or hybrid |
| H. 'Great Lakes' Eunice V. Fisher 1973 | R | L | blga | | | 'Frances Williams' hybrid |
| H. 'Great Lakes Gold' Dick & Jane Ward 2000 | R | | goy | | | 'White Vision' x montana f. macrophylla |
| H. 'Great Plains' William Brincka/Olga Petryszyn 1994 | R | XL | bl | | | 'Sagae' x 'Tokudama Aureonebulosa' |
| H. 'Great River Sonata' Mark Zilis/Dubuque Regional Hosta Society 2004 | R | | blgr,crwe | | Y | 'Moonlight Sonata' sport |
| H. 'Great White Ray' Ed Elslager 2004 | R | L | gr,str,w | | | 'Supreme Expectations' seedling |
| H. 'Grecian Gold' Ray B. Stephens 1990 | R | M | gry | | | 'Sunshine Sister' hybrid |
| H. 'Grecian Green' Ray B. Stephens 1990 | R | M | chgr | | | 'Sunshine Sister' hybrid |
| H. 'Green Acres' Julia Geissler 1970 | R | XL | gr | | | unknown |
| H. 'Green Angel' Klehm Nursery 1990 | R | ML | dgr | | | 'Blue Angel' sport |
| H. 'Green Army Man' J. Stadden 2003 | R | | gry,gre | | | 'September Sun' sport |
| H. 'Green Aspen' Clarence Owens 1986 | R | SM | dgr | | | 'Aspen Gold' selfed |
| H. 'Green Beatrice' Frances Williams/Peter Ruh 1987 | R | SM | dgr | | | 'Beatrice' sport |
| H. 'Green Beret' R. Snyder 2002 | R | | dgr | | | 'Minuteman' sport |
| H. 'Green Cups' T. Schmid 2003 | R | SM | dgr | | | 'Warwick Comet' sport |
| H. 'Green Dome' Eldren W. Minks 1980 | R | M | gr | | | 'Crested Reef' x 'Candle Wax' |
| H. 'Green Dragonet' Clarence Owens 1999 | R | VL | dgr | | | 'Butternut Hill' x 'Chartreuse Wedge' |
| H. 'Green Eclipse' A. Summers/P. & J. Ruh 2002 | R | | y,lgre | | | 'Midwest Gold' sport |
| H. 'Green Eyes' Ralph and Dorothy Benedict 1990 | R | DS | ch,dgre | | | 'Kabitan' sport or seedling |
| H. 'Green Fingers' C. Owens 2002 | R | | gr | | | venusta hybrid |
| H. 'Green Formal' Eunice V. Fisher 1971 | R | L | gr | | | 'Frances Williams' hybrid |
| H. 'Green Fountain' Paul Aden 1979 | R | ML | gr | | | 'Green Wedge' x longipes |
| H. 'Green Furrows' Elsie Schulz 1981 | R | M | dgr | | | unknown |
| H. 'Green Gables' Walters Gardens 1997 | R | XL | lgr | | | 'Sum and Substance' sport |
| H. 'Green Gold' Mack/Savory/AHS 1986 | R | ML | dgr,cre | | | 'Fortunei' sport |
| H. 'Green Jeans' Tony Avent 2005 | R | | dgr | | | ventricosa 'Aureomarginata' x yingeri |
| H. 'Green Kabitan' M. Zilis 2003 | R | | gr | | | 'Kabitan' sport |
| H. 'Green Lama' Alex Malloy 2000 | R | S | gr | PU | | 'Island Charm' sport |
| H. 'Green Lantern' Russ O'Harra/F. Riehl 1993 | R | L | ye,blgr | | | unknown |
| H. 'Green Line' Paul Aden 1987 | R | D | gr,ygre | | | 'Just So' x 'Little Aurora' |
| H. 'Green Marmalade' Clarence Owens 1987 | R | M | str,gr,y>w | | | 'Neat Splash' x plantaginea |
| H. 'Green Mouse Ears' E. & J. Deckert 2004 | R | D | gr | | | 'Blue Mouse Ears' sport |
| H. 'Green Nature Lady' C. Wilson/Hallson Gardens 2007 | R | | dgr | | | 'Harvest Dandy' x 'Potomac Pride' |
| H. 'Green Nymph' P. Banyai/B. Banyai 1999 | R | | gr | | | montana hybrid |
| H. 'Green Piecrust' Frances Williams/AHS 1986 | R | L | dgr | | | unknown |
| H. 'Green Platter' E. Fisher 1968/P. Ruh 1997 | R | ML | gr | | | unknown |
| H. 'Green Power' R. Snyder 2003 | R | | dgr | | | 'Paradise Power' sport |
| H. 'Green Ripples' Frances Williams/Connie Williams 1986 | R | L | lgr | | | 'Fortunei Gigantea' seedling |
| H. 'Green River' V. Wade 1999 | R | L | gr | | | 'Yellow River' sport |
| H. 'Green Saucers' Loleta K. Powell 1977 | R | L | gr | | | sieboldiana 'Elegans' x 'Frances Williams' |
| H. 'Green Sheen' Paul Aden 1978 | R | VL | gr | | | 'Green Wedge' x 'Chartreuse Wedge' |
| H. 'Green Smash' Mark Zilis/Doug Lohman 1988 | R | S | gr | | | 'Ginko Craig' sport |
| H. 'Green Spot' Eunice Fisher 1968/Peter Ruh 1998 | R | M | str,gry>gr | | | 'Starker Yellow Leaf' sport |
| H. 'Green Valley' Robert P. Savory 1988 | R | M | y | | | unknown |
| H. 'Green Velveteen' Roy G. Klehm 1999 | R | L | gr | | | 'Embroidery' sport |
| H. 'Green Wedge' Paul Aden 1976 | R | XL | lgr | | | nigrescens hybrid |
| H. 'Green Wiggles' Kate Carpenter 1979 | R | S | gr | | | 'Maya' x 'Kabitan' |
| H. 'Green with Envy' Ian Crystal/Sandra Bond 2000 | R | S | y,dgre | | | 'Dawn' sport |
| H. 'Greenback' E. Elslager 2001 | R | | dgr | | | 'Galaxy' hybrid |
| H. 'Greenie Weenie Bikini' Van Wade 2007 | R | | | | | 'Teeny-weeny Bikini' sport |
| H. 'Greensleeves' Dick & Jane Ward 1999 | R | M | (cry>w),dgre | | | 'Pin Stripe Sister' seedling |
| H. 'Greenwood' E. Fisher/P. Ruh 1997 | R | L | dgr | | | unknown |
| H. 'Gregory Ambrose Cleghorn' S. Chamberlain 2006 | R | | gr | | | |
| H. 'Grey Beauty' Williams/K. J. W. Hensen 1983 | R | L | grga | | | sieboldiana hybrid |
| H. 'Grey Ghost' R. Solberg 2000 | R | ML | cr>y>bl | | | 'Blue Angel' sport |
| H. 'Grey Goose' Eric B. Smith/BHHS 1988 | R | M | blgr | | | tardiflora x sieboldiana 'Elegans' |
| H. 'Grey Piecrust' Thomas Donahue/AHS 1986 | R | ML | dgr | | | 'Green Piecrust' hybrid |
| H. 'Grey Poupon' W. Zumbar 1995 | R | | gagr,ye | | | unknown |
| H. 'Grim Grinning Ghost' J. Stadden 2003 | R | | str,gr,w,we | | | 'Allan P. McConnell' sport |
| H. 'Grimes Golden' Russ O'Harra/P. & J. Ruh 2004 | R | S | goy | | | unknown |
| H. 'Ground Master' Paul Aden 1979 | R | S | we,gr | | | 'Yellow Splash' x 'Neat Splash' |
| H. 'Ground Sulphur' Russ O'Harra 1986 | R | DS | chy | | | 'Subcrocea' hybrid |
| H. 'Grover Cleveland' H. Sugita/P. Ruh/M. Zilis/P. & J. Ruh 2001 | R | L | blgr | | | unknown |
| H. 'Grünspecht' Heinz Klose 1995/P. & J. Ruh 2003 | R | | gr | | | |
| H. 'Guacamole' Solberg 1994 | R | ML | y,dgre | | Y | 'Fragrant Bouquet' sport |
| H. 'Guardian Angel' Rick Thompson 1995 | R | ML | wc>gc,blgre | | | 'Blue Angel' sport |
| H. 'Guiding Light' E. Elslager 2001 | R | | dgr,ye | | | 'Sea Prize' hybrid |
| H. 'Gum Drop' Larry Englerth/Peter Ruh 1987 | R | DS | lgr | | | 'Gold Drop' sport |
| H. 'Gummy Bear' V. Wade 1999 | R | | gr | | | unknown |
| H. 'Gunsmoke' Roy Herold 2000 | R | | blgr | | | 'Sagae' x 'Grey Piecrust' |
| H. 'Gypsy Rose' Jim Anderson 2003 | R | S | cry,blgre | | | 'Striptease' sport |
| H. 'Gypsy's Boa' Russ O'Harra/Russ O'Harra Society 1999 | R | S | lgr | RD | | unknown |