| Genus | Species | Cultivar | Originator | Year | Variegation | Green Leaf | Blue Leaf | Yellow Leaf | Plant Size |
| Hosta | | 'Abby' | Ruh, Peter | 1990 | Marginal | Medium Green | | | Medium |
| Hosta | | 'Aksarben' | Geissler, Julia & Ruh, Peter | 1988 | | | Intensely Blue Green | | Giant |
| Hosta | | 'Alaskan Halo' | Ruh, Peter | 1997 | Marginal | | Medium Blue Green | | Large |
| Hosta | | 'Allegan Fog' | Ruh, Peter | 2000 | Medial | Medium Green | | | Medium |
| Hosta | | 'Allegan Gent' | Ruh, Peter | | | | | | |
| Hosta | | 'Ani Mach' | Ruh, Peter & Jane | 2002 | Medial | Medium Green | | | Medium |
| Hosta | | 'Antioch' | Ruh, Peter & Hofer, L | 1979 | Marginal | Medium Green | | | Large |
| Hosta | | 'Arctic Circle' | Ruh, Peter & Jane, Tompkins, Chet W. | 2002 | Marginal | Medium Green | | | Medium |
| Hosta | | 'August Moon' | Ruh, Peter & Langfelder, R | 1996 | | | | Golden Yellow | Large |
| Hosta | | 'Aureafolia' | Ruh, Peter | | | | | | |
| Hosta | | 'Azure Snow' | Ruh, Peter | 1991 | | | Intensely Blue Green | | Large |
| Hosta | | 'Barbara' | Stone, David & Ruh, Peter | 1987 | | | Intensely Blue Green | | Small |
| Hosta | | 'Beaulah' | Stone, David & Ruh, Peter | 1988 | Marginal | | Medium Blue Green | | Small |
| Hosta | | 'Blaugold' | Ruh, Peter | | | | | | |
| Hosta | | 'Blythe Spirit' | Davidson, Roy & Schenk, Ruh, Peter | 1990 | | | Intensely Blue Green | | Small |
| Hosta | | 'Borsch 1' | Ruh, Peter | 1999 | | | | | Giant |
| Hosta | | 'Borsch 2' | Ruh, Peter | 1989 | | | Medium Blue Green | | Large |
| Hosta | | 'Brookwood Blue' | Ruh, Peter & Fraim, Leola | 1991 | | | Intensely Blue Green | | Large |
| Hosta | | 'Butternut Hill' | Ruh, Peter & Jean & Englerth, Lawrence D. | 2001 | | Medium Green | | | Large |
| Hosta | | 'Carl' | Ruh, Peter | 1991 | | | Medium Blue Green | | Small |
| Hosta | | 'Carrie Ann' | Stone, David & Ruh, Peter | 1988 | Marginal | | Medium Blue Green | | Small |
| Hosta | lancifolia | 'Chinese Sunrise' | Summers, Alex J. & Ruh, Peter | 1992 | Marginal | Light Green | | | Medium |
| Hosta | | 'Devon Discovery' | Ruh, Peter & Bowden, Roger | | | | | | |
| Hosta | | 'Devon Gold' | Ruh, Peter & Bowden, Roger | | | | | | |
| Hosta | | 'Devon Green' | Ruh, Peter & Bowden, Roger | | | Medium Green | | | Medium |
| Hosta | | 'Devon Mist' | Ruh, Peter & Bowden, Roger | | | | | | |
| Hosta | | 'Devon Tor' | Ruh, Peter & Bowden, Roger | | | | | | |
| Hosta | | 'Dew Line' | Ruh, Peter & Tompkins, Chet | | | | | | |
| Hosta | | 'Donahue Piecrust' | Ruh, Peter & Donohue, Thomas | 1999 | | Medium Green | | | Large |
| Hosta | | 'Dorset Flair' | Ruh, Peter & Smith, Eric B. | 1990 | | | | | Medium |
| Hosta | | 'Dustin' | Stone, David & Ruh, Peter | 1988 | Marginal | | Medium Blue Green | | Small |
| Hosta | | 'Dylan's Dilly' | West, Walden & Ruh, Peter & Jane | 2008 | Medial | | Slightly Blue Green | | Small |
| Hosta | | 'Elfin Power' | Ruh, Peter | 1987 | Marginal | Medium Green | | | Small |
| Hosta | | 'Ellen' | Ruh, Peter | | | | | | |
| Hosta | | 'Ersatz' | Ruh, Peter | 1996 | | Dark Green | | | Large |
| Hosta | | 'Eunice Choice' | Arett, Anne & Ruh, Peter | | | | | | |
| Hosta | | 'Fisher's Cream Edge' | Fisher, Eunice V. & Ruh, Peter | 1992 | Marginal | | Medium Blue Green | | Large |
| Hosta | | 'Geissler's Edge' | Ruh, Peter | 2005 | | | | | |
| Hosta | | 'Gilt Edge' | Ruh, Peter & Tompkins, Chet | 2002 | Marginal | | Medium Blue Green | | Large |
| Hosta | | 'Ginbuchi Tachi' | Ruh, Peter | 2002 | | | | | |
| Hosta | | 'Golden Bullion' | Bennerup, Pierre & Ruh, Peter | 1989 | | | | Yellow | Medium |
| Hosta | | 'Golden Guernsey' | Ruh, Peter | 1992 | | | | Yellow | Large |
| Hosta | | 'Golden Plum' | Ruh, Peter | 1997 | | | | Yellow | Medium |
| Hosta | | 'Golden Spiders' | Ruh, Peter & Harshbarger, Gretchen | | | | | | |
| Hosta | | 'Gray Streaked Squiggles' | Ruh, Peter & Ross, Henry | 1978 | Streaked | Medium Green | | | Miniature |
| Hosta | | 'Green Platter' | Fisher, Eunice V. & Ruh, Peter | 1997 | | | Slightly Blue Green | | Large |
| Hosta | | 'Hadspen Rainbow' | Ruh, Peter | | | | | | |
| Hosta | | 'Harvest Dandy' | Ruh, Peter & Summers, Alex J. | 1997 | | Medium Green | | | Large |
| Hosta | | 'Hirao Majesty' | Ruh, Peter & Zilis, Mark R. | 1997 | | Medium Green | | | Medium |
| Hosta | | 'Hirao Splender' | Ruh, Peter | | | | | | |
| Hosta | | 'Hirao Supreme' | Ruh, Peter | 1997 | | Medium Green | | | Large |
| Hosta | | 'Hurrah' | Ruh, Peter | 1991 | Marginal | | Medium Blue Green | | Small |
| Hosta | | 'Immense' | Ruh, Peter | | | | | | |
| Hosta | | 'Jade Lancer' | Ruh, Peter | | | | | | |
| Hosta | | 'Jay Jay' | Ruh, Peter & Grullemann | 1994 | | | Intensely Blue Green | | Giant |
| Hosta | | 'Jo Jo' | Stone, David & Ruh, Peter | 1987 | Marginal | | Medium Blue Green | | Miniature |
| Hosta | | 'Kifukurin Ko Mame' | Ruh, Peter | 2002 | Marginal | Dark Green | | | Miniature |
| Hosta | | 'Kifukurin Ubatake' | Ruh, Peter | | | | | | |
| Hosta | | 'Kinbotan' | Ruh, Peter | | | | | | |
| Hosta | rectifolia | 'Kinbuchi Tachi' | Ruh, Peter | | | | | | |
| Hosta | | 'King James' | Ruh, Peter & Krossa, Gus | 1992 | | Medium Green | | | Large |
| Hosta | | 'Krossa Broad Band' | Krossa, Gus & Ruh, Peter | 1991 | Marginal | | Medium Blue Green | | Medium |
| Hosta | | 'Lake Erie' | Ruh, Peter | 1998 | | Dark Green | | | Giant |
| Hosta | | 'Lemon Delight' | Ruh, Peter & Jane | 2005 | Marginal | | | Yellow | Small |
| Hosta | | 'Lemon Meringue' | Ruh, Peter | 1991 | | | | Yellow | Medium |
| Hosta | | 'Little Ann' | Stone, David & Ruh, Peter | 1988 | Marginal | Light Green | | | Miniature |
| Hosta | | 'Livonia' | Ruh, Peter & Krossa, Gus | 1998 | | Medium Green | | | Medium |
| Hosta | | 'Lovely Loretta' | Ruh, Peter | | | | | | |
| Hosta | | 'Marilyn Monroe' | Ruh, Peter | | | | | | |
| Hosta | | 'Mary Jo' | Stone, David & Ruh, Peter | 1987 | | | Intensely Blue Green | | Small |
| Hosta | | 'Mesa Fringe' | Ruh, Peter | | | | | | |
| Hosta | | 'Middle Ridge' | Boonstra, Lewis & Ruh, Peter | 1979 | Marginal | | Medium Blue Green | | Medium |
| Hosta | | 'Mikaewa no Yuki' | Ruh, Peter | 1997 | | Light Green | | | Small |
| Hosta | | 'Miki' | Ruh, Peter & Zumbar, Wm W. | 1991 | | | | Yellow | Large |
| Hosta | | 'Moerheim' | Ruh, Peter | | | Medium Green | | | Medium |
| Hosta | | 'Nesmith Giant' | Ruh, Peter | | | | | | |
| Hosta | | 'Ogan Tachi' | Ruh, Peter | | | | | | |
| Hosta | | 'Ototo San' | Ruh, Peter | 1990 | Marginal | | Medium Blue Green | | Small |
| Hosta | | 'Paul's Glory' | Ruh, Peter & Hofer, L. | 1987 | Marginal | Light Green | | | Medium |
| Hosta | | 'Perry's True Blue' | Ruh, Peter & Hofer, Paul & Linda | 1981 | | | Intensely Blue Green | | Large |
| Hosta | | 'Raspberry Sorbet' | Ruh, Peter | | | Dark Green | | | Miniature |
| Hosta | | 'Reginald Kaye' | Ruh, Peter & Jane | 2003 | | | Intensely Blue Green | | Large |
| Hosta | | 'Samuel Blue' | Krossa, Gus & Ruh, Peter | 1981 | | | Intensely Blue Green | | Large |
| Hosta | | 'Southern Comfort' | Ruh, Peter | 1992 | | | | | Medium |
| Hosta | | 'Special Item' | Ruh, Peter & Eunice Fisher | 1991 | | | Medium Blue Green | | Large |
| Hosta | | 'Squash Edge' | Ruh, Peter | | | | | | |
| Hosta | sieboldiana | 'Sturtevant' | Ruh, Peter & Jean | 2005 | | | Medium Blue Green | | Large |
| Hosta | | 'Suzuki Thumbnail' | Ruh, Peter & Suzuki | 1987 | | Medium Green | | | Miniature |
| Hosta | | 'Sweet Home Chicago' | Ruh, Peter | | | | | | |
| Hosta | | 'Swirling Hearts' | Ruh, Peter | | | | | | |
| Hosta | | 'Tenryu' | Ruh, Peter | 2002 | | Dark Green | | | Small |
| Hosta | | 'Timothy' | Ruh, Peter | 1998 | Marginal | Dark Green | | | Small |
| Hosta | | 'Tomoko' | Ruh, Peter & Klose, Heinz | | | | | | |
| Hosta | | 'Trail's End' | Ruh, Peter | | | | Medium Blue Green | | Large |
| Hosta | | 'Ulysses S Grant' | Ruh, Peter | | | | | | |
| Hosta | | 'Upbeat' | Ruh, Peter | | | | | | |
| Hosta | | 'Vilmoriniana' | Ruh, Peter | 1999 | | Medium Green | | | Medium |
| Hosta | | 'Wayside Blue' | Ruh, Peter | | | | | | |
| Hosta | | 'Woodland Blue' | Ruh, Peter & Simpers, Lucille | 1993 | | | Intensely Blue Green | | Large |
| Hosta | | 'Woodland Green' | Simpers, Lucille & Ruh, Peter | | | | | | |
| Hosta | | 'Yellow River' | Smith, Eric B. & Ruh, Peter | 1993 | Marginal | Medium Green | | | Medium |
| Hosta | | 'Zager Green Rim' | Ruh, Peter | 1987 | | | | Pale Yellow | Large |
| Hosta | | 'Zager's Pride' | Zager, H A. & Ruh, Peter | 1987 | Marginal | | Medium Blue Green | | Large |
| Hosta | | 'Zodiac' | Ruh, Peter | | | | | | |
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