| Hostaname | REG | Size | Leaf color | Petiole | Fragrant | Origin |
| H. 'Aardvark' Dennis Savory 1991 | R | ML | ch>goy,gre | | | 'Aspen Gold' seedling |
| H. 'Azure Snow' Pete Ruh 1991 | R | ML | blgr | | | hypoleuca seedling |
| H. 'Bacchanal' Roy Davidson/Pete Ruh 1991 | R | S | dgr | | | nakaiana seedling |
| H. 'Banana Boat' Eleanor & Bill Lachman 1991 | R | SM | ly,dgre | | | 'Lachman 81-9' x 'Reversed' |
| H. 'Blue for You' Herb & Dorothy Benedict 1991 | R | SM | dblgr | | | 'Tokudama Aureonebulosa' selfed |
| H. 'Brookwood Blue' Leola Fraim/Pete Ruh 1991 | R | ML | blgr | | | sieboldiana seedling |
| H. 'Bruce's Blue' Briggs Nursery 1991 | R | M | sibl | | | unknown |
| H. 'Carl' Carl Calderara/Pete Ruh 1991 | R | SM | blgr | | | unknown |
| H. 'Cherry Berry' Bill & Eleanor Lachman 1991 | R | SM | w,dgre | R | | 'Lachman 82-18-1' x 'Lachman 81-9-2' |
| H. 'Cordelia' Bob Kuk 1991 | R | SM | dgr,cre | | | 'Neat Splash' hybrid |
| H. 'Cream Cheese' Bill & Eleanor Lachman 1991 | R | S | gr,(y>w)e | | | 'Crepe Suzette' selfed |
| H. 'Curly' Eleanor & Bill Lachman 1991 | R | S | wc,dgr | R | | 'Resonance' x 'White Christmas' |
| H. 'Dick Ward' Handy Hatfield 1991 | R | ML | goy,dgre | | | 'Zounds' sport |
| H. 'Eireann' David Stone/Pete Ruh 1991 | R | M | blgr | | | unknown |
| H. 'Emerald Gem' David Stone/Pete Ruh 1991 | R | DS | dgr | | | unknown |
| H. 'Feather Boa' Russ O'Harra 1991 | R | S | goy>ch | | | 'Subcrocea' sport |
| H. 'First Impressions' Bob Kuk 1991 | R | SM | dgr,str,we | | | 'Goddess of Athena' sport |
| H. 'Flame Stitch' Walters Gardens/Clarence Falstad 1991 | R | ML | y>w,dgre | | | ventricosa 'Aureomarginata' sport |
| H. 'Full Moon' Bill & Eleanor Lachman 1991 | R | SM | sibl | | | 'Blue Moon' selfed |
| H. 'Galaxy Light' Bill & Eleanor Lachman 1991 | R | M | y,gre | | | 'Galaxy' sport |
| H. 'Garnet Prince' Pauline Banyai/Jim Dishon 1991 | R | ML | dgr | R | | nigrescens hybrid |
| H. 'Golden Friendship' Hideko Gowen 1991 | R | SM | ch>goy | | | unknown |
| H. 'Golden Surprise' Lucy Simpers/Pete Ruh 1991 | R | SM | y>ch | | | nakaiana hybrid |
| H. 'Grand Tiara' John Machen, Jr./Ali Pollock 1991 | R | SM | gr,(y>ch)e | | | 'Golden Tiara' sport |
| H. 'Holly's Gold' Herb & Dorothy Benedict 1991 | R | M | ly | | | 'Holly's Honey' selfed |
| H. 'Hot Flash' Herb & Dorothy Benedict 1991 | R | L | gr,str,y,w | GR | | 'Dorothy Benedict' selfed |
| H. 'Hurrah' Pete Ruh 1991 | R | S | cry,blgre | | | 'Wahoo' sport |
| H. 'Immense' Lucy Simpers/Pete Ruh 1991 | R | L | gr | | | montana x 'Ibaraki-K' |
| H. 'June' Neo Plants Ltd. 1991 | R | SM | (lgr>y),blgre | | | 'Halcyon' sport |
| H. 'June Moon' Eleanor & Bill Lachman 1991 | R | ML | gr,crwe | | | unknown |
| H. 'Krossa Broad Band' Gus Krossa/Pete Ruh 1991 | R | ML | blgr | | | unknown |
| H. 'Lakeside Blue Cherub' Mary Chastain 1991 | R | S | blgr | | | 'Honey Moon' sport |
| H. 'Lakeside Leprechaun' Mary Chastain 1991 | R | DS | ch>gr | | | 'Little Aurora' sport |
| H. 'Lakeside Neat Petite' Mary Chastain 1991 | R | D | blgr | | | venusta x 'Blue Cadet' |
| H. 'Lakeside Ripples' Mary Chastain 1991 | R | VL | gr | | | unknown |
| H. 'Lauren' David Heinz 1991 | R | S | y | | | 'Saishu Jima' seedling |
| H. 'Lemon Meringue' Pete Ruh 1991 | R | ML | ly | | | hypoleuca seedling |
| H. 'Leprechaun' David Stone/Pete Ruh 1991 | R | S | gr | | | unknown |
| H. 'Little Bo Peep' Bob Kuk 1991 | R | D | gr,we | | | 'Neat Splash' hybrid |
| H. 'Lucy's Breeder' Lucy Simpers/Pete Ruh 1991 | R | M | ygr,mot | | | 'Snow Mound' seedling |
| H. 'Lucy's Crinkles' Pauline Banyai 1991 | R | M | dgr | | | 'Crispula' hybrid |
| H. 'Lunar Orbit' Ran Lydell 1991 | R | ML | y,dgre | | | 'August Moon' sport |
| H. 'Maui Buttercups' Bill Vaughn 1991 | R | SM | y | | | 'Frances Williams' x 'August Moon' |
| H. 'Maui Hana' Bill Vaughn 1991 | R | L | gr | | | (x sieboldiana) x 'Golden Waffles' |
| H. 'Maui Rains' Bill Vaughn 1991 | R | M | dgr | | | 'Kabitan' x 'Saishu Jima' |
| H. 'Metallica' Bill & Eleanor Lachman 1991 | R | M | dblgr | | | (x 'Beatrice') x 'Blue Moon' |
| H. 'Miki' Pete Ruh/Bill Zumbar 1991 | R | ML | y | | | 'Hirao T66-01' x 'HiraoT66-02' |
| H. 'Moon River' Bill & Eleanor Lachman 1991 | R | S | blgr,we | | | 'Crepe Suzette' x 'Blue Moon' |
| H. 'My Friend Nancy' Herb Benedict/Nancy Krul 1991 | R | ML | gr,we | | | 'Dorothy Benedict' x montana 'Chirifu' |
| H. 'Niagara Falls' Bill Brincka/Olga Petryszyn 1991 | R | XL | dgr | | | montana f. macrophylla x 'Sea Drift' |
| H. 'Night Shift' Dennis Savory 1991 | R | L | y,dgre | | | 'Daybreak' sport |
| H. 'No Frills' Lucy Simpers/Pete Ruh 1991 | R | M | blgr | | | 'Blue Boy' hybrid |
| H. 'Nooner' Herb & Dorothy Benedict 1991 | R | M | dgr,(cry>w)e | | | 'Seduction' x 'Purple Passion' |
| H. 'Old Faithful' Bill Brincka/Olga Petryszyn 1991 | R | L | gr | R | Y | plantaginea x 'Regal Rhubarb' |
| H. 'Patriot' John Machen, Jr. 1991 | R | M | dgr,we | | | 'Francee' sport |
| H. 'Peter the Rock' Lucy Simpers/Pete Ruh 1991 | R | M | lgr | | | sieboldiana hybrid |
| H. 'Queen Josephine' Bob Kuk 1991 | R | SM | dgr,(y>cr)e | | | 'Josephine' sport |
| H. 'Rascal' Bob Solberg 1991 | R | L | ly,dgre | | | 'Gold Regal' sport |
| H. 'Rocky Mountain High' Bob Kuk 1991 | R | M | gr,che | | | 'Crispula' x sieboldiana |
| H. 'Ruby Benedict' Herb & Dorothy Benedict 1991 | R | M | cr,blgre | | | 'Dorothy Benedict' x 'Tokudama Aureonebulosa' |
| H. 'Sea Ebony' Mildred Seaver/Bob Solberg 1991 | R | L | dgr | | | unknown |
| H. 'Sea Grotto' Mildred Seaver/Pete Ruh 1991 | R | ML | blgr | | | 'Wagon Wheels' seedling |
| H. 'Second Wind' John Kulpa 1991 | R | ML | dgr | | | 'Whirlwind' sport |
| H. 'Silver Spray' Mr. & Mrs. C. T. Osbourne 1991 | R | M | blgr,we | | | unknown |
| H. 'Sky Kissed' Loleta Powell 1991 | R | VL | blga | | | sieboldiana 'Elegans' x 'Blue Angel' |
| H. 'Small Talk' Lucy Simpers/Pete Ruh 1991 | R | S | y>gr | | | 'Lancifolia Aurea' hybrid |
| H. 'Sombrero' Bob Savory 1991 | R | XL | blgr | | Y | 'Blue Umbrellas' x plantaginea |
| H. 'Something Blue' Lucy Simpers/Pete Ruh 1991 | R | ML | blgr | | | 'Blue Beauty' x 'Blue Boy' |
| H. 'Spring Sensation' Lucy Simpers/Pete Ruh 1991 | R | M | y>gr | | | 'Decorata' sport |
| H. 'Striptease' Criss & Rick Thompson 1991 | R | M | ch,naw,dgre | | | 'Gold Standard' sport |
| H. 'Sum Total' Sandra Pedrick 1991 | R | XL | dgr,goye | | | 'Sum and Substance' sport |
| H. 'Sunlight Child' Herb Benedict 1991 | R | DS | ly | | | 'Golden Hawk' selfed |
| H. 'Swamp Monster' Bill & Eleanor Lachman 1991 | R | L | dgr | | | 'Sea Monster' hybrid |
| H. 'Taffeta' Russ O'Harra 1991 | R | SM | dgr | | | ventricosa 'Aureomarginata' selfed |
| H. 'Tucker Friendly Folk' Ray Stephens 1991 | R | XL | dgr | | | (x 'Wolcott') x montana |
| H. 'Tucker Tommy Little' Ray Stephens 1991 | R | XL | dgr | | | (x 'Wolcott') x montana |
| H. 'Tucker Valentine' Ray Stephens 1991 | R | L | dgr | | | 'Herifu' x ventricosa |
| H. 'Tucker Welcome' Ray Stephens 1991 | R | XL | gr | | | |
| H. 'Twist of Lime' Bruce Banyai/Bob Solberg 1991 | R | DS | ch,dgre | | | 'Lemon Lime' sport |
| H. 'Unique' Eunice Fisher/Pete Ruh 1991 | R | L | gr | | | |
| H. 'Valerie's Vanity' Bob Keller 1991 | R | M | gr | | | 'Halcyon' sport |
| H. 'Waving Winds' Bill & Eleanor Lachman 1991 | R | SM | dgr,cre | | | 'Galaxy' selfed |
| H. 'Yellow Bird' Herb & Dorothy Benedict 1991 | R | ML | y | | | 'High Fat Cream' sport |
| H. 'Yellow Boa' Russ O'Harra 1991 | R | S | y>gr | | | 'Subcrocea' hybrid |