No. | Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
1
| 'Sabrina' (Bastille) | Small | Unknown | Med-Lavender | - | Bastille, Jocelyne | --NR-- |
2
| 'Sacra' | Medium | Unknown | Unknown | - | Unknown | --NR-- |
3
| 'Saginaw' | Small | Unknown | Med-Lavender | June into July | Krossa, Gus & Ruh, Peter & Ruh, Jean | .2009 .2018 |
4
| 'Sagittarius' | Large | Hybrid | Unknown | June into July | Husemann, Jim | .2009 |
5
| 'Saikoku Iwa' | Small | Unknown | Unknown | - | Unknown | --NR-- |
6
| 'Sailor's Lament' | Medium | Unknown | Unknown | - | Unknown | --NR-- |
7
| 'Saint Sebastian' | Medium | Hybrid | Med-Lavender | August to September | Zolock, Steve & Zolock, Sarah | .2011 |
8
| 'Saishu Elmo' | Small | Unknown | Near-White | - | Benedict, Dr Ralph (Herb) | --NR-- |
9
| 'Saishu Jima' | Small | Unknown | Deep-Purple | August | Unknown & Ruh, Peter | .2002 .2018 |
10
| 'Saishu Jima Closed' | Medium | Hybrid | Light-Purple | August | Benedict, Dr Ralph (Herb) | --NR-- |
11
| 'Saizaki Hime Iwa' | Small | Sport | Deep-Purple | September | Watanabe, Kenji | --NR-- |
12
| 'Salty Dog' | Medium | Hybrid | Light-Purple | July | Stadden, Josh | .2003 |
13
| 'Sam Hagerman' | Giant | Hybrid | Unknown | June into July | Kwick, Charles | .2016 |
14
| 'Sam Hill' | Medium | Hybrid | Pure-White | June into July | Goodwin, Randy | .2018 |
15
| 'Sam Son' | Large | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
16
| 'Sam-Tina Gold' | Medium | Sport | Unknown | - | Orlando, John | .1998 |
17
| 'Samual' | Small | Unknown | Near-White | - | Bastille, Jocelyne | --NR-- |
18
| 'Sangria' | Large | Unknown | Unknown | Unknown | Whitmer, Milt | --NR-- |
19
| 'Sankoufu' | Medium | Sport | Light-Purple | June into July | Unknown | --NR-- |
20
| 'Sanshoku Tsushima' | Small | Hybrid | Light-Purple | August to September | Watanabe, Kenji | --NR-- |
21
| 'Sapporo' | Large | Hybrid | Light-Purple | July into August | Klose, Heinz | --NR-- |
22
| 'Sarah Katherine' | Medium | Hybrid | Pale-Lavender | July into August | Simmering, Ron | .2005 |
23
| 'Saratoga Sunrise' | Medium | Hybrid | Near-White | June into July | Dalton, Jim & Dalton, Meg | .2012 |
24
| 'Sarojini' | Small | Unknown | Med-Lavender | August to September | Zolock, Steve | .2022 |
25
| 'Sascha' | Large | Nat-Sport | Pale-Lavender | July into August | Doughty, Chuck | --NR-- |
26
| 'Satin and Silk' | Medium | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
27
| 'Satin Beauty' | Large | Unknown | Pale-Lavender | June into July | Fisher, Eunice V. & The American Hosta Society | .1986 |
28
| 'Satin Flare' | Large | Hybrid | Unknown | - | Fisher, Eunice V. | .1971 |
29
| 'Satin Green' | Small | Unknown | Light-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2020 |
30
| 'Satoko' | Small | Hybrid | Light-Purple | August to September | Colley, June & Baker, John | .2020 |
31
| 'Saturn' | Medium | Sport | Pale-Lavender | July | Banyai, Pauline | --NR-- |
32
| 'Sauk' | Large | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
33
| 'Save Poor Lily' | Large | Unknown | Unknown | - | Brashear, Carol | --NR-- |
34
| 'Save the Last Dance for Me' | Medium | Hybrid | Pale-Lavender | July into August | Kwick, Charles | .2017 |
35
| 'Saw Mill' | Miniature | Hybrid | Pale-Lavender | July | Malloy, Alex | .1999 |
36
| 'Sawtooth' | Small | Hybrid | Deep-Purple | July into August | Housworth, Jere | --NR-- |
37
| 'Sayuri' | Medium | Hybrid | Pale-Lavender | July into August | Nyikos, Frank | .2007 |
38
| 'Scallion Pancakes' | Medium | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
39
| 'Scalloped Potatoes' | Medium | Hybrid | Unknown | - | Goodenough, Rick | --NR-- |
40
| 'Scally Cap' | Small | Hybrid | Unknown | August to September | Stadden, Josh | .2003 |
41
| 'Scarab' | Small | Unknown | Unknown | - | Malloy, Alex | --NR-- |
42
| 'Scaredy Cat' | Small | Hybrid | Pale-Lavender | June into July | Jones, Leonard | .2006 |
43
| 'Scarlet and Gray' | Medium | Unknown | Unknown | - | Ruh, Peter & Ruh, Jean | .2010 |
44
| 'Scarlet Empress' | Small | Unknown | Unknown | - | Malloy, Alex | --NR-- |
45
| 'Scarlet Pimpernel' | Small | Unknown | Unknown | - | Malloy, Alex | --NR-- |
46
| 'Scentuous' | Medium | Hybrid | Pure-White | August | Avent, Tony | --NR-- |
47
| 'Schneekuppe' | Medium | Unknown | Pure-White | July into August | Klose, Heinz & Ruh, Peter | .2006 |
48
| 'Schwarzer Ritter' | Small | Unknown | Light-Purple | - | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
49
| 'Scooby Doo' | Small | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
50
| 'Scoop' (Hostapedia) | Large | Unknown | Unknown | - | Unknown | --NR-- |
51
| 'Scorpio' | Large | Hybrid | Unknown | June into July | Husemann, Jim | .2010 |
52
| 'Scott Andrew' | Giant | Hybrid | Light-Purple | July into August | Kwick, Charles | .2017 |
53
| 'Sea Biscuit' | Medium | Unknown | Med-Lavender | June into July | Seaver, Mildred | --NR-- |
54
| 'Sea Bunny' | Large | Unknown | Near-White | June into July | Seaver, Mildred | .1986 |
55
| 'Sea Current' | Medium | Hybrid | Pale-Lavender | July | Seaver, Mildred | .2001 |
56
| 'Sea Dragon' | Large | Unknown | Near-White | June into July | Seaver, Mildred | --NR-- |
57
| 'Sea Frolic' | Large | Hybrid | Pale-Lavender | June into July | Seaver, Mildred | .2004 |
58
| 'Sea Gold Dust' | Medium | Hybrid | Near-White | June into July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
59
| 'Sea Green' | Large | Unknown | Unknown | - | Seaver, Mildred | --NR-- |
60
| 'Sea Monster' | Large | Hybrid | Near-White | June into July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .1978 .2010 |
61
| 'Sea Octopus' | Medium | Hybrid | Light-Purple | August September October | Seaver, Mildred | .1981 |
62
| 'Sea Waves' | Large | Unknown | Pale-Lavender | June into July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
63
| 'Sea White Gold' | Large | Unknown | Pale-Lavender | June into July | Seaver, Mildred | .1999 |
64
| 'Seaweed' | - | Unknown | Unknown | - | Desmedt, Rik | --NR-- |
65
| 'Second Wind' | Medium | Sport | Pale-Lavender | July into August | Kulpa, John | .1991 |
66
| 'Secret Treasure' | Medium | Sport | Light-Purple | September to October | Van den Top, Jan | --NR-- |
67
| 'Seer Master' | Medium | Unknown | Unknown | June into July | Aden, Paul | --NR-- |
68
| 'Seishika' | Medium | Hybrid | Light-Purple | August September October | Sugita, Hajime | --NR-- |
69
| 'Seisu' | Medium | Sport | Light-Purple | June into July | Unknown | --NR-- |
70
| 'Sekkei', H. longipes | Medium | Sport | Light-Purple | August to September | Unknown | --NR-- |
71
| 'Self-Assured' | Small | Hybrid | Near-White | July into August | Livingston, Ron | --NR-- |
72
| 'Senora Colleen' | Medium | Hybrid | Med-Lavender | July into August | Kwick, Charles | .2016 |
73
| 'Sentinels' | Medium | Hybrid | Light-Purple | August | Williams, Frances & Williams, Connie | .1986 |
74
| 'September White' | Medium | Unknown | Pure-White | August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
75
| 'Sequoia' | Giant | Hybrid | Med-Lavender | June into July | Beilstein, Doug & Beilstein, Mardy | .2022 |
76
| 'Serenity' | Medium | Unknown | Near-White | July into August | Banyai, Pauline | .1986 |
77
| 'Serpentine' | Medium | Hybrid | Med-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2015 .2018 |
78
| 'Seto Hime' | Medium | Unknown | Unknown | - | Unknown | --NR-- |
79
| 'Seto-no-aki' | Medium | Unknown | Near-White | September | Watanabe, Kenji & Ruh, Peter | .2002 |
80
| 'Setsuko Iwa' | Small | Unknown | Unknown | - | Davidson, LeRoy | --NR-- |
81
| 'Seven-Eleven' | Miniature | Unknown | Deep-Purple | August | Squires, Keith & Ruh, Peter | .1996 |
82
| 'Shade Babe' | Small | Hybrid | Unknown | - | Lysne, Rod | --NR-- |
83
| 'Shade Finale' | Small | Sport | Pale-Lavender | July into August | Goodwin, Randy | .2005 |
84
| 'Shady Affair' | Medium | Hybrid | Pure-White | August | Johnson, Greg | .2003 |
85
| 'Shady Choice' | Large | TC Sport | Pale-Lavender | July into August | Diesen, Bernie & Diesen, Jane | .1998 |
86
| 'Shake for Me' | Small | Sport | Med-Lavender | Unknown | Van Eechaute, Danny | --NR-- |
87
| 'Shapur's Sceptre' | Medium | Hybrid | Light-Purple | August | Malloy, Alex | .2003 |
88
| 'Shark's Tooth' | Small | Hybrid | Near-White | June into July | Nyikos, Frank | .2005 |
89
| 'Sharmon' | Small | Sport | Pale-Lavender | July into August | Donahue, Thomas | .1986 |
90
| 'Sharp Shooter' | Small | Hybrid | Light-Purple | August | Krul, Nancy & Belle Gardens | .1993 |
91
| 'Shawnee' | Large | Unknown | Near-White | July | Wade, Van | --NR-- |
92
| 'Shawnee Gold' | Medium | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
93
| 'Shawnee Moon' | Large | Sport | Near-White | June | Wade, Van | --NR-- |
94
| 'Sherlock' | Medium | Unknown | Med-Lavender | - | Dalton, Jim & Dalton, Meg | --NR-- |
95
| 'Sherwood Forest' | Large | Hybrid | Pale-Lavender | June | Lachman, Wm & Lachman, Eleanor | .1993 |
96
| 'She's Got the Moves' | Large | Hybrid | Unknown | - | Philips, Hugo | --NR-- |
97
| 'Shichu-no-Tama' | Small | Hybrid | Unknown | Unknown | Watanabe, Kenji | --NR-- |
98
| 'Shifting Perspectives' | Large | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
99
| 'Shikow' | Small | Nat-Sport | Pale-Lavender | June into July | Purtymun, Charles | --NR-- |
100
| 'Shimmering Silk' | Medium | Unknown | Unknown | August | Davis, Fred | .1996 |
101
| 'Shimmy Shake' | Medium | Unknown | Pale-Lavender | - | Scheer, Alttara | --NR-- |
102
| 'Shinano Nishiki' | Small | Sport | Near-White | June into July | Unknown | --NR-- |
103
| 'Shine' | Small | Unknown | Unknown | - | Malloy, Alex | --NR-- |
104
| 'Shine On' | Large | Unknown | Unknown | August to September | Schulz, Ed | .2012 |
105
| 'Shining Image' | Medium | Unknown | Unknown | - | Powell, Loleta & Walek, Kevin & The American Hosta Society | .2009 |
106
| 'Shining Shield' | Large | Unknown | Pure-White | August to September | O'Harra, Russ | --NR-- |
107
| 'Shining Tot' | Miniature | Hybrid | Light-Purple | August | Aden, Paul | .1982 |
108
| 'Shinsei ĹŚba' | Large | Sport | Pale-Lavender | July | Unknown | --NR-- |
109
| 'Shiny Sonata' | Medium | Sport | Pale-Lavender | - | Van den Top, Jan | --NR-- |
110
| 'Shiny Substance' | Large | Sport | Pale-Lavender | July into August | Van den Top, Jan | --NR-- |
111
| 'Shiny Tot' | Small | Unknown | Light-Purple | - | Unknown | --NR-- |
112
| 'Shiro Tama Nishiki' | Large | Unknown | Unknown | - | Unknown | --NR-- |
113
| 'Shirobana Fuiri Koba' | - | Sport | Near-White | - | Sugita, Hajime | --NR-- |
114
| 'Shirobana Hime Iwa' | Small | Hybrid | Pure-White | September | Unknown | --NR-- |
115
| 'Shirobana Hyuga' | Medium | Sport | Near-White | August to September | Unknown | --NR-- |
116
| 'Shirobana Iwa' | Small | Hybrid | Near-White | - | Unknown | --NR-- |
117
| 'Shirobana Kanzashi' | Medium | Hybrid | Pure-White | June into July | Unknown | --NR-- |
118
| 'Shirobana Keirin' | Small | Sport | Near-White | July | Unknown | --NR-- |
119
| 'Shirobana Kika Koba' | Small | Hybrid | Near-White | - | Unknown | --NR-- |
120
| 'Shirobana Kiyosumi' | Medium | Sport | Pale-Lavender | July | Unknown | --NR-- |
121
| 'Shirobana Mizu' | Small | Sport | Light-Purple | August September October | Unknown | --NR-- |
122
| 'Shirobana Oba' | Large | Hybrid | Near-White | July | Unknown | --NR-- |
123
| 'Shirobana Shikoku' | Small | Sport | Near-White | July | Unknown | --NR-- |
124
| 'Shirobana Tsushima' | Medium | Hybrid | Pure-White | September | Unknown | --NR-- |
125
| 'Shirobana Urajiro' | - | Hybrid | Near-White | - | Unknown | --NR-- |
126
| 'Shirobana Yushun' | Large | Hybrid | Pure-White | - | Unknown | --NR-- |
127
| 'Shirofukurin Baran' | Large | Sport | Light-Purple | July | Unknown | --NR-- |
128
| 'Shocking Chartreuse' | Medium | Hybrid | Med-Lavender | Unknown | Vaughn, Kevin | .1982 |
129
| 'Shoehorn' | - | Unknown | Unknown | June into July | Freeman, Franc & Freeman, Sally | .2008 |
130
| 'Short Folks' | Small | Unknown | Unknown | - | Goodman, Jack | --NR-- |
131
| 'Shoshonean' | Giant | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
132
| 'Show Off' | Medium | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) & Ruh, Peter | .2010 |
133
| 'Show Piece' | Small | Hybrid | Light-Purple | July into August | Krossa, Gus & Ruh, Peter | .1998 |
134
| 'Show Stopper' (Claeys) | Medium | Hybrid | Deep-Purple | - | Claeys, Rob | --NR-- |
135
| 'Shuchu-no-tama' | Medium | Hybrid | Unknown | - | Unknown | --NR-- |
136
| 'Shun YĹ«' | Large | Sport | Pale-Lavender | July | Unknown | --NR-- |
137
| 'Shurin' | Large | Sport | Pale-Lavender | July | Unknown | --NR-- |
138
| 'Shy Mouse' | Small | Unknown | Unknown | Unknown | White, Brian | --NR-- |
139
| 'Si Senor Pablo' | Medium | Hybrid | Med-Lavender | June into July | Freeman, Franc | .2011 |
140
| 'Silhouette' | Medium | Unknown | Unknown | - | Meyer, Bill | --NR-- |
141
| 'Silver Mine' | Miniature | Hybrid | Pale-Lavender | July | Malloy, Alex | .1999 |
142
| 'Silver Spring' | Miniature | Hybrid | Unknown | - | Malloy, Alex | --NR-- |
143
| 'Simpers No. 5' | Giant | Unknown | Pale-Lavender | June | Simpers, Lucille | --NR-- |
144
| 'Simply Red' | Medium | Hybrid | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
145
| 'Singularity' | Small | Hybrid | Pale-Lavender | June into July | Bartley, Jennifer | .2017 |
146
| 'Sir Augie W' | Large | Hybrid | Pale-Lavender | June into July | Kwick, Charles | .2018 |
147
| 'Sir Cocky' | Giant | Hybrid | Unknown | June into July | Kwick, Charles | .2016 |
148
| 'Sir Francis Drake' | Large | Sport | Med-Lavender | July into August | Malloy, Alex | --NR-- |
149
| 'Sir Lloyd T' | Large | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
150
| 'Sir Logan' | Medium | Unknown | Unknown | - | Unknown | --NR-- |
151
| 'Sir Markus Cooper' | Large | Unknown | Pale-Lavender | July into August | Kwick, Charles | .2017 |
152
| 'Sir Troy Lamar' | Large | Hybrid | Pale-Lavender | June into July | Kwick, Charles | .2021 |
153
| 'Sister Garned' | Medium | Hybrid | Light-Purple | July into August | Ragus, Gerhard & Ragus, Renate | .2016 |
154
| 'Skinny Mouse' | Small | Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
155
| 'Skipper' | Medium | Sport | Light-Purple | July into August | Schwarz, Jim | --NR-- |
156
| 'Skipping School' | Medium | Unknown | Med-Lavender | July into August | Kwick, Charles | .2017 |
157
| 'Sky King' | Medium | Hybrid | Med-Lavender | July into August | Purvis, Owen & Purvis, Sue | .2009 |
158
| 'Sky Princess' | Medium | Unknown | Unknown | - | Unknown | --NR-- |
159
| 'Slick Chick' | Small | Unknown | Unknown | - | Benedict, Dr Ralph (Herb) | --NR-- |
160
| 'Slick Willie' | Large | Hybrid | Light-Purple | July | Hadrava, Jerry | .1996 |
161
| 'Slim Crinkles' | Medium | Hybrid | Unknown | - | Fisher, Eunice V. | --NR-- |
162
| 'Slim Jim' | Medium | Unknown | Pale-Lavender | Unknown | Wade, Van | --NR-- |
163
| 'Slim Polly' | Small | Hybrid | Light-Purple | August | Williams, Frances | .1986 |
164
| 'Slurpy' | Medium | Unknown | Light-Purple | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
165
| 'Small Parts' | Small | Hybrid | Pale-Lavender | July | Van Eechaute, Danny | .2006 |
166
| 'Small Talk' | Small | Hybrid | Pale-Lavender | June | Simpers, Lucille & Ruh, Peter | .1991 |
167
| 'Small World' | Miniature | Hybrid | Pale-Lavender | June into July | Goodwin, Randy | .2013 |
168
| 'Smalltown Boy' | Small | Sport | Med-Lavender | July into August | Van Eechaute, Danny | --NR-- |
169
| 'Smiling Dr. Jim' | Large | Unknown | Unknown | - | Unknown | --NR-- |
170
| 'Smiling Susan' | Medium | Hybrid | Med-Lavender | July | Bronson, Gary | .2013 |
171
| 'Smokey' | Medium | Hybrid | Pale-Lavender | July into August | Hawes, James & Wrede, Arthur | .2006 |
172
| 'Smooth Operator' | Giant | Unknown | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2012 |
173
| 'Smoothie' | Large | Hybrid | Med-Lavender | August to September | Banyai, Pauline & Banyai, Bruce | .1999 |
174
| 'Smuggler's Cove' | Medium | TC Sport | Light-Purple | July | Zilis, Mark | .2009 |
175
| 'Snake Charmer' | Medium | Hybrid | Pale-Lavender | September | Stegeman, Bev & Stegeman, Dave | .2017 |
176
| 'Snake Pit Falls' | - | Hybrid | Unknown | August to September | Moore, Jeff | --NR-- |
177
| 'Sneak Peak' | Large | Sport | Med-Lavender | July into August | Crabb, Scott | --NR-- |
178
| 'Snow Cream' | Medium | Hybrid | Pure-White | August | Lewis, Alan & Summers, Alex | --NR-- |
179
| 'Snow Drop' | Small | Unknown | Unknown | - | Unknown | --NR-- |
180
| 'Snow Flakes' | Medium | Hybrid | Pure-White | August | Williams, Frances & The American Hosta Society | .1986 |
181
| 'Snow Mound' | Small | Unknown | Pure-White | August | Skylands Nursery & Ruh, Peter | .1997 |
182
| 'Snowstorm' | Small | Hybrid | Near-White | August | Simpers, Lucille | .1980 |
183
| 'Soft Touch' | Small | Hybrid | Light-Purple | July | Savory, Robert | .1977 |
184
| 'Soleil des Bois' | Large | Sport | Unknown | - | Bastille, Jocelyne | --NR-- |
185
| 'Solo Flight' | Medium | Hybrid | Med-Lavender | July | Cross, Peter | .2001 |
186
| 'Something Else' | Large | TC Sport | Near-White | June into July | Zilis, Mark | .2009 |
187
| 'Something for Sandra' | Large | Hybrid | Unknown | - | Livingston, Ron | --NR-- |
188
| 'Something Good' | Giant | Sport | Pale-Lavender | August | Walters Gardens | .2000 |
189
| 'Sonny Boy' | Large | Unknown | Unknown | - | Plater-Zyberk, Maria | --NR-- |
190
| 'Sophie' | Large | Unknown | Unknown | August to September | Schwarz, Jim | .2015 |
191
| 'Soul Brother' | Small | Sport | Med-Lavender | July into August | Mortko, Rob | .2002 |
192
| 'Soul Shine' | - | Hybrid | Med-Lavender | July | Dean, Don | .2018 |
193
| 'Soules' Pruinose' | Medium | Unknown | Near-White | August to September | Soules, Marjorie | --NR-- |
194
| 'Soules' Upright Green' | Small | Unknown | Unknown | - | Soules, Marjorie | --NR-- |
195
| 'Sour Apples' | Giant | Unknown | Unknown | - | Purtymun, Charles | --NR-- |
196
| 'South Pacific' | Giant | Unknown | Unknown | Unknown | Ward, Dr Dick & Ward, Jane | .2009 |
197
| 'Southern Comfort' | Medium | Unknown | Light-Purple | August September October | Ruh, Peter | .1992 |
198
| 'Southlake Superior' | Medium | Hybrid | Unknown | - | Goodwin, Randy | --NR-- |
199
| 'Sovereign' | Small | Hybrid | Pure-White | - | Malloy, Alex | --NR-- |
200
| 'Spaceship' | Medium | Sport | Near-White | July | Zilis, Mark & Schwarz, Jim | .2011 |
201
| 'Sparkling Amethyst' | Medium | Hybrid | Reddish | August | Beilstein, Doug & Beilstein, Mardy | .2022 |
202
| 'Sparkling Burgundy' | Medium | Hybrid | Light-Purple | August | Savory, Robert | .1982 |
203
| 'Sparkling Garnet' | Medium | Hybrid | Reddish | August | Beilstein, Doug & Beilstein, Mardy | .2022 |
204
| 'Sparkling Opal' | Small | Hybrid | Reddish | August | Beilstein, Doug & Beilstein, Mardy | .2022 |
205
| 'Sparkling Ruby' | Medium | Hybrid | Reddish | August | Beilstein, Doug & Beilstein, Mardy | .2022 |
206
| 'Spartan Arrow' | Small | Hybrid | Light-Purple | July | Goodwin, Randy | .2000 |
207
| 'Spartan Gem' | Medium | Unknown | Pale-Lavender | August September October | Banyai, Pauline | .1989 |
208
| 'Special Gift' | Medium | Hybrid | Pale-Lavender | July | Fisher, Eunice V. | .1973 |
209
| 'Special Ocassion' | Medium | Unknown | Pure-White | July into August | Wilkins, Dr Jim & Wilkins, Sandy | .2003 |
210
| 'Spike Jones' | Medium | Hybrid | Pale-Lavender | August | Schulz, Ed | .2002 |
211
| 'Spinach Patch' | Large | Hybrid | Light-Purple | Unknown | Vaughn, Kevin & Walek, Kevin & The American Hosta Society | .2009 |
212
| 'Spinach Pie' | Large | Sport | Unknown | July into August | Fransen, Marco & Fransen, Joyce | --NR-- |
213
| 'Spingarn's Japan' | Small | Unknown | Light-Purple | July | Malloy, Alex | .2000 |
214
| 'Spiny Mouse' | Miniature | Nat-Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
215
| 'Spiral Nebula' | Large | Hybrid | Light-Purple | July into August | Chrystal, Ian & Colley, June & Baker, John | .2020 |
216
| 'Spirit of St Louis' | Giant | Hybrid | Near-White | July into August | Cross, Peter | .2006 |
217
| 'Spit Shine' | Large | Hybrid | Pure-White | August | O'Harra, Russ | .1986 |
218
| 'Split Decision' | Large | Hybrid | Pale-Lavender | July | Terpening, Kent | --NR-- |
219
| 'Split Personality' | Large | Unknown | Pale-Lavender | July | Seaver, Mildred | --NR-- |
220
| 'Spock's Ears' | Medium | Hybrid | - | - | Dupre, Dirk | --NR-- |
221
| 'Sprengeri' | Large | Sport | Pale-Lavender | July into August | Unknown | --NR-- |
222
| 'Spring Beauty' (Moore) | Medium | Unknown | Unknown | - | Moore, Jeff | --NR-- |
223
| 'Spring Fever' (Van Ostrand) | Medium | Hybrid | Pale-Lavender | July | Van Ostrand, John | .2005 |
224
| 'Spring Grove' | Giant | Unknown | Med-Lavender | July into August | Mack, Carl & Ruh, Peter & Ruh, Jean | .2002 |
225
| 'Spring Luau' | Medium | Sport | Med-Lavender | August | Philips, Hugo & Van Eechaute, Danny | --NR-- |
226
| 'Spring Mist' | Medium | Unknown | Unknown | - | Schmid, Tom | --NR-- |
227
| 'Springdale Pride' | Large | Unknown | Unknown | - | Miller, Dorothy & Goodwin, Randy | .2014 |
228
| 'Squad Car' | Small | Unknown | Unknown | - | Malloy, Alex | --NR-- |
229
| 'Squiggles Green' | Small | Sport | Med-Lavender | July | Wade, Van | --NR-- |
230
| 'Squire Rich' | Large | Unknown | Pale-Lavender | July | Kuk, Bob | .1988 |
231
| 'St. John' | Medium | Unknown | Deep-Purple | - | Scroggy, Ian | --NR-- |
232
| 'St. Nicholas' | Medium | Unknown | Near-White | August to September | Zolock, Steve & Zolock, Sarah | .2007 |
233
| 'Stark Naked' | - | Unknown | Unknown | - | Stark, Gunther | --NR-- |
234
| 'Star-Lord' | Large | Unknown | Unknown | Unknown | Wols, Dan | --NR-- |
235
| 'Starry Starry Night' | Small | Hybrid | Near-White | July | Wilkins, Dr Jim | .2000 |
236
| 'Statue of Liberty' | Giant | Hybrid | Near-White | August September October | Avent, Tony | .2007 |
237
| 'Steady On' | Large | Unknown | Unknown | - | Lydell, Ransom | --NR-- |
238
| 'Stegeman's Dreadnaught' | Large | Hybrid | Pale-Lavender | June into July | Stegeman, Bev & Stegeman, Dave | --NR-- |
239
| 'Step Brother' | Giant | Sport | Pure-White | June into July | Schulz, Ed | .2011 |
240
| 'Stepankova' | Medium | Nat-Sport | Med-Lavender | August to September | Unknown | --NR-- |
241
| 'Stephen King' | Medium | Unknown | Light-Purple | June into July | Scheer, Alttara | --NR-- |
242
| 'Steven P. Register' | Medium | Hybrid | Pale-Lavender | July into August | Chamberlain, Steve | .2004 |
243
| 'Stickpin' | Small | Unknown | Unknown | - | Unknown | --NR-- |
244
| 'Stimulation' | Medium | Hybrid | Pale-Lavender | August September October | Avent, Tony | .2006 |
245
| 'Stimulus Package' | Large | Unknown | Unknown | July into August | Freeman, Franc | .2011 |
246
| 'Stinger' | Small | Unknown | Unknown | - | Unknown | --NR-- |
247
| 'Stingray' | Large | Hybrid | Near-White | July | Herold, Roy | .2000 |
248
| 'Stir It Up' | Medium | Unknown | Unknown | - | Scheer, Alttara | --NR-- |
249
| 'Stirfry' | Medium | Hybrid | Light-Purple | July into August | Benedict, Dr Ralph (Herb) | .1990 |
250
| 'Stolen Ability' | Medium | Sport | Light-Purple | August | Zilis, Mark | .2010 |
251
| 'Stones' | Large | Sport | Pale-Lavender | June into July | Stone, David | --NR-- |
252
| 'Stone's Yellow Leaf' | Medium | Unknown | Unknown | - | Stone, David & Ruh, Peter & Ruh, Jean | .2004 |
253
| 'Stoplight' | Small | Unknown | Unknown | - | Kuk, Bob | --NR-- |
254
| 'Stormcloud' | Large | Unknown | Unknown | June into July | Kedl, Phyllis | .2010 |
255
| 'Stormy Night' | Large | Unknown | Unknown | - | Carlson, Monty & Carlson, Julie | --NR-- |
256
| 'Stormy Seas' | Large | Hybrid | Pale-Lavender | June into July | Zilis, Mark | .2004 |
257
| 'Stormy Weather' | Large | Hybrid | Deep-Purple | July into August | Johnson, Greg | .2004 |
258
| 'Straight Arrow' | Small | Sport | Pale-Lavender | July into August | Malloy, Alex | --NR-- |
259
| 'Straight Shooter' | Medium | Hybrid | Unknown | Unknown | Walek, Kevin | --NR-- |
260
| 'Stranger in the Dark' | Medium | Sport | Med-Lavender | July | Fransen, Marco & Fransen, Joyce | --NR-- |
261
| 'Strawberry Banana Smoothie' | Medium | Hybrid | Unknown | July into August | Solberg, Robert | .2008 |
262
| 'Strawberry Delight' | Medium | Hybrid | Light-Purple | September | Sugita, Hajime & Ruh, Peter | .1998 |
263
| 'Streaked Regal' | Giant | Sport | Med-Lavender | July | Lydell, Ransom & Seaver, Charles | --NR-- |
264
| 'Stringbean' | Small | Unknown | Unknown | - | Cullerton, Walter | --NR-- |
265
| 'Stringed Beans' | Small | Unknown | Unknown | - | Goodwin, Randy | --NR-- |
266
| 'Strip Act' | Large | Sport | Pale-Lavender | July | Van Eechaute, Danny | --NR-- |
267
| 'Stripling Warrior' | Medium | Unknown | Light-Purple | - | Johnson, Greg | --NR-- |
268
| 'Sub Four' | Miniature | Hybrid | Unknown | July into August | Linneman, Jeroen | .2009 |
269
| 'Subcrocea' | Medium | Unknown | Light-Purple | August | The American Hosta Society | .1987 |
270
| 'Sublime Lime' | Medium | Unknown | Unknown | June into July | Kruer, George | .2009 |
271
| 'Substance Abuse' | Large | Unknown | Pale-Lavender | June into July | Kuk, Bob | --NR-- |
272
| 'Sugar Bells' | Large | Unknown | Near-White | - | Diesen, Bernie & Diesen, Jane | --NR-- |
273
| 'Sugar Daddy' (Livingston) | - | Hybrid | Unknown | - | Livingston, Ron | --NR-- |
274
| 'Sugar Plum' | Large | Hybrid | Light-Purple | August to September | Solberg, Robert | .2011 |
275
| 'Sugar Plum Fairy' | Small | Hybrid | Light-Purple | August | Briggs Nursery-WA | .1987 |
276
| 'Sum and Substance' | Giant | Unknown | Pale-Lavender | July into August | Shaw, Florence & Aden, Paul | .1980 |
277
| 'Sum Cup' | Large | Unknown | Unknown | - | Unknown | --NR-- |
278
| 'Sum Enchanted' | Large | Hybrid | Unknown | - | Goodwin, Randy | --NR-- |
279
| 'Sum Enchanted Evening' | Large | Hybrid | Unknown | - | Goodwin, Randy | --NR-- |
280
| 'Sum More Magic' | Large | Hybrid | Pale-Lavender | June into July | Doggett, Sally | .2006 |
281
| 'Sum Piecrust' | Giant | Sport | Pale-Lavender | July into August | Elslager, Ed | .1999 |
282
| 'Sum Thing Else' | Large | Sport | Pale-Lavender | July into August | Unknown | --NR-- |
283
| 'Sum Zero' | Large | Sport | Pale-Lavender | July into August | Solberg, Robert | .2011 |
284
| 'Summary Judgement' | Large | Sport | Unknown | - | Unknown | --NR-- |
285
| 'Summer Dress' | Large | Hybrid | Med-Lavender | July | Syre-Herz, Ursula | .1990 |
286
| 'Summer Fragrance Green' | Large | Sport | Pale-Lavender | August to September | Wade, Van | --NR-- |
287
| 'Summer Gift' | Large | Unknown | Pale-Lavender | - | Unknown | --NR-- |
288
| 'Summer Gold' | Medium | Unknown | Pale-Lavender | July into August | Hamblin, Steven & Nesmith, Elizabeth & Philips, L. & Ruh, Peter | .1998 |
289
| 'Summer Snowstorm' | Medium | Unknown | Pure-White | August to September | Avent, Tony | --NR-- |
290
| 'Summer Vacation' | Medium | TC Sport | Pale-Lavender | July | Zilis, Mark | --NR-- |
291
| 'Summers' Gift' | Medium | Unknown | Med-Lavender | - | Summers, Alex | --NR-- |
292
| 'Sun Catcher' | Medium | Hybrid | Light-Purple | July into August | Banyai, Pauline | .2004 |
293
| 'Sunami' | Large | Hybrid | Pale-Lavender | July | Soules, Clarence | .1990 |
294
| 'Sunbeam Green' | Small | Unknown | Unknown | - | Unknown | --NR-- |
295
| 'Sunbowl' | - | Unknown | Unknown | - | Unknown | --NR-- |
296
| 'Sunfish' | Large | Unknown | Unknown | - | Carlson, Monty & Carlson, Julie | --NR-- |
297
| 'Sunlight Child' | Miniature | Hybrid | Light-Purple | August | Benedict, Dr Ralph (Herb) | .1991 |
298
| 'Sunlight Sister' | Large | Unknown | Near-White | June | Nesmith, Elizabeth & The American Hosta Society | .1986 |
299
| 'Sunny Delight' | Medium | Hybrid | Light-Purple | July into August | Solberg, Robert | .2000 |
300
| 'Sunny Disposition' | Medium | Hybrid | Pale-Lavender | July | Nyikos, Frank | .2001 |
301
| 'Sunny Tiara' | Medium | Sport | Light-Purple | July | Flink, Richard | .2006 |
302
| 'Sunrise Serenade' | Giant | Unknown | Unknown | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
303
| 'Sun's Glory' | Giant | Sport | Med-Lavender | July | Vaughn, Kevin | --NR-- |
304
| 'Super Cup' | Large | Unknown | Unknown | - | de Rooij, Piet | --NR-- |
305
| 'Super Elegans' | Large | Sport | Unknown | - | Unknown | --NR-- |
306
| 'Superba' | Large | Hybrid | Deep-Purple | July | Arends, George | --NR-- |
307
| 'Surf and Turf' | Large | Hybrid | Pale-Lavender | July | Elslager, Ed | .1999 |
308
| 'Surfer Dude' | Large | Hybrid | Light-Purple | September | Avent, Tony | .2007 |
309
| 'Surfer Girl' | Small | Unknown | Light-Purple | July | Wasitis, Chick | .2000 |
310
| 'Surprise' | Medium | Hybrid | Pale-Lavender | August September October | Williams, Frances & The American Hosta Society | .1986 |
311
| 'Susie Chamberlain' | Giant | Unknown | Med-Lavender | July into August | Chamberlain, Steve | .2006 |
312
| 'Susy' | Medium | Unknown | Light-Purple | August | Harrison, Dr Jamison & The American Hosta Society | .1986 |
313
| 'Suzuki Thumbnail' | Small | Hybrid | Light-Purple | July | Suzuki, Kichigoro & Ruh, Peter | .1987 |
314
| 'Suzuki Toenail' | Small | Hybrid | Light-Purple | July | Suzuki, Kichigoro & Ruh, Peter | --NR-- |
315
| 'Suzy Merle' | Giant | Unknown | Pale-Lavender | June into July | Simpers, Lucille | --NR-- |
316
| 'Suzy Q' | Large | Hybrid | Light-Purple | August to September | Lohman, Doug & Zilis, Mark | .2009 |
317
| 'Swamp Monster' | Large | Hybrid | Near-White | June | Lachman, Wm & Lachman, Eleanor | .1991 |
318
| 'Swedish' | Medium | Unknown | Unknown | Unknown | Woods, Doyle | --NR-- |
319
| 'Sweet Bo Peep' | Medium | Hybrid | Pale-Lavender | August | Benedict, Dr Ralph (Herb) & Walek, Kevin & The American Hosta Society | .2009 |
320
| 'Sweet Jennifer' | - | Unknown | Unknown | - | Unknown | --NR-- |
321
| 'Sweet Pea' | Medium | Hybrid | Med-Lavender | August | Benedict, Dr Ralph (Herb) | --NR-- |
322
| 'Sweet Season' | - | Hybrid | Unknown | - | Unknown | --NR-- |
323
| 'Sweet Spot Light' | Giant | Unknown | Unknown | - | Unknown | --NR-- |
324
| 'Sweet Sunshine' | Large | Hybrid | Pure-White | July into August | Solberg, Robert | .1997 |
325
| 'Sweet Susan' | Large | Hybrid | Pale-Lavender | August | Williams, Frances & Williams, Connie | .1986 |
326
| 'Sweet Winifred' | Large | Hybrid | Pure-White | August | Benedict, Dr Ralph (Herb) | .1984 |
327
| 'Sweetheart' (Armstrong) | Small | Hybrid | Light-Purple | July | Armstrong, Maxine | --NR-- |
328
| 'Sweetheart' (Wallace) | Medium | Hybrid | Light-Purple | July | Wallace | --NR-- |
329
| 'Sweetness' (Livingston) | Medium | Unknown | Near-White | August | Livingston, Ron | --NR-- |
330
| 'Sweetness' (Zilis) | Large | TC Sport | Pale-Lavender | August to September | Zilis, Mark | .2003 |
331
| 'Swirling Hearts' | Large | Hybrid | Pale-Lavender | July | Ruh, Peter | .2003 |
332
| 'Swizzle Sticks' | Medium | Hybrid | Pale-Lavender | August | Herold, Roy & Walek, Kevin & The American Hosta Society | .2009 |
333
| 'Sybl' | Medium | Hybrid | Unknown | - | Davidson, LeRoy | --NR-- |
|