(IB) 'Safrano' 1922, Dykes 'Safrano' (W. R. Dykes, 1922) IB. Midseason bloom. Color Class Y4L. See below: * * References References: Awaiting original ca...
■(IB) 'Salted Caramel' 2019, Smith 'Salted Caramel' (Marky Smith, R. 2017). Seedling# 14 14B. IB, 26" (66 cm), Early midseason bloom. Standards golden brown (RHS...
(IB) 'Salvatore' 2001, Muska by Clark 'Salvatore' (Ladislav Muska by Jimmie Clark, R. 2001). IB, 22" (56 cm), Midseason bloom. White ground plicata, Standards hea...
■(IB) 'Sangreal' 1935, Sass 'Sangreal' (Jacob Sass, R. 1935) IB. Early midseason bloom and rebloom. Color Class Y4L. ( I.pumila x unknown) x ( 'Cardinal' x 'Aut...
■(IB) 'Santa's Helper' 1997, Lankow by Aitken 'Santa's Helper' (Carol Lankow by J. Terry Aitken, R. 1997) Seedling #4J34. IB, 24" (61 cm). Late midseason bloom. W...
■(IB) 'Sapphire' 1922, Dykes 'Sapphire' (W. R. Dykes, 1922) IB. Early bloom. Color Class B1M.Note: Registered as an IB but considered a TB. See TB 'Sapphire'. See...
(IB) 'Saracen' 1913, Foster 'Saracen' (Sir Michael Foster, 1913. IB Early bloom. Color Class B3M. I. trojana x unknown. Wa;1913; AAA 128' C., R.H.S. 1916. Note:...
(IB) 'Sarah' 1908, Foster 'Sarah' (Sir Michael Foster, 1908). IB. Color Class W4. See below: * * References References Awaiting original catalog descriptio...
(IB) 'Satin' 1935, Vilmorin 'Satin' (Vilmorin Andrieux et Cie, 1935) IB. Midseason bloom. Color Class S7M. See below: * References References Bulletin de l...
(IB) 'Saxonia' 1934, Danenhauer 'Saxonia' (H. L. Danenhauer, R. 1934) IB. Midseason bloom. Color Class WW. 'Troost' x unknown. Main.BobPries 2011 03 07
■(IB) 'Sea Foam' 1928, Sturtevant 'Sea Foam' (Grace Sturtevant, R. 1927). IB. Very early bloom. Color Class W6. White and yellow bicolor. 'Brautjungfer' X 'Sophro...
■(IB) 'Sea Patrol' 1969, Palmer 'Sea Patrol' (Cleo Palmer, R. 1969). Seedling #6727. IB, 20 24", Early midseason bloom. Color Class B1P. Near sky blue self; pale ...
■(IB) 'Second Hand Gnus' 2022, Toth 'Second Hand Gnus' (David Toth, R. 2022) Seedling 21 81, IB, 23" (58 cm), Late bloom. Standards tan, small flecks of purple; s...
■(IB) 'Secrets And Lies' 2024, Toth 'Secrets And Lies' (Ava Toth, R. 2024). IB, 19" (48.5 cm), Late bloom. Standards golden yellow; style arms golden yellow; fall...
(IB) 'Selerno' 1937, Washington 'Selerno' ( Thomas Washington, R. 1937) IB. Midseason late bloom. Color Class S9D. SELERNO (Washington 1937) A brilliant late Inte...
(IB) 'September Morn' 1927, Auten 'September Morn' (Edward Auten, 1927) IB. Early bloom and rebloom. Color Class R7L. From the 2022 Rebloom Checklist: Rebloom rep...
(IB) 'September Skies' 1933, Sass "September Skies' (Hans Peter Sass, 1933) IB. Midseason bloom and rebloom. Color Class B7D. 'Autumn King' x unknown. From the 20...
(IB) 'Sherabina' 1937, Gersdorff 'Sherabina' (Charles Gersdorff, R. 1937) IB. Late midseason bloom. Color Class Y6D reversed. 'Flammenschwert' x 'Shekinah'. ...
■(IB) 'Sherwin Wright' 1915, Kohankie 'Sherwin Wright' ( Martin Kohankie, 1915) IB. Midseason bloom. Color Class Y4D. NOTE: Registered as an IB, but now considere...
■(IB) 'Shooting Sparks' 1989, Black 'Shooting Sparks' (Paul Black, R. 1988). Seedling #85458A. IB, 28" (71 cm), Early bloom. White ground with purple plicata mark...
(IB) 'Silver Ribbon' 1926, Williamson 'Silver Ribbon' (E. B. Williamson, 1926). TB. Midseason late bloom. Color Class R7M. (Parentage lost). Longfield Iris Farm 1...
■(IB) 'Silverberry' 2007, Black 'Silverberry' (Paul Black, R. 2007). Seedling #K295A. IB, 25" (64 cm), Late midseason bloom. Standards and style arms very pale la...
(IB) 'Silverdale' 1923, Perry 'Silverdale' (Amos Perry, 1923). IB. Early bloom. Color Class W3. From Perry's Hardy Plant Farm catalog, 1924: SILVERDALE Very lat...
(IB) 'Sinbad The Sailor' 1973/74, Blyth 'Sinbad The Sailor' (Lesley Blyth, R. 1973). Seedling #EL39 1. IB, 20" (51 cm), Midseason to late bloom. Standards old gol...
■(IB) 'Sinister Desire' 1998, Black 'Sinister Desire' (Paul Black, R. 1998). Seedling #C100A. IB, 25" (63 cm), Late bloom. Standards and style arms dark black che...
■(IB) 'Siskin' 1934, Williamson 'Siskin' ( E. B. Williamson, 1934) IB. Midseason bloom. Color Class Y4M. Note: Originally registered IB, now considered MTB 'Sis...
■(IB) 'Sister Of The Moon' 2022, Toth 'Sister Of The Moon' (Ava Toth, R. 2022) Seedling 21 85I, IB, 24" (61 cm), Midseason to late bloom. Standards white, thin li...
■(IB) 'Sluga Dvukh Gospod' 2008, Loktev 'Sluga Dvukh Gosopod' Слуга двух господ (Sergey Loktev, R. 2007) Seedling #01 406 1. IB, 25" (63 cm). Very early to early ...
■(IB) 'Small World' 1962, El Dorado 'Small World' (El Dorado, R. 1962) Seedling #L 1. IB, 15" (38 cm), Early bloom. White self; lemon beard. Blue and white plic...
■(IB) 'Smooth As A Baby's' 2019, Black 'Smooth As A Baby's' (Paul Black, R. 2019). Seedling X190C. IB, 22" (56 cm), Midseason to late bloom. Standards light pea...
■(IB) 'Snow Festival' 1974, Palmer 'Snow Festival' (Cleo Palmer, R. 1974) Seedling #7159. IB, 24" (61 cm). Early bloom. White with few yellow haft veins; yellow b...
(IB) 'Snow Shower' 1977, Reid 'Snow Shower' (Miss A. B. Reid, R. 1977) Seedling #M4/73. IB, 20" (51 cm). Early bloom. Standards white, frilled; falls white with g...
(IB) 'Snow Spot' 1971, Coe 'Snow Spot' (R. H. Coe, R. 1971) Seedling #L/I/N. IB, 20" (51 cm). Midseason bloom. Pink with white patch on falls, gold hafts; red bea...
(IB) 'Snow Sprite' 1932, Berry 'Snow Sprite' (Samuel Berry, 1932) IB. Early midseason bloom. Color Class W1. ( I. mesopotamica x 'Lent A. Williamson') x 'Titan'...
(IB) 'Soledad' 1922, Mohr 'Soledad' (William Mohr, 1922) TB. Early bloom. Color Class Y4L. Light yellow self. I. trojana x I. pumila . Awarded the AIS Award of ...
■(IB) 'Solent Sun' 1965, Taylor 'Solent Sun' (John D. Taylor, R. 1964) Seedling #D.63 l. IB, 25" (64 cm). Midseason bloom. Pale yellow self. 'Serin' X (('Sylvia...
(IB) 'Solfatare' Verdier 'Solfatare' (Verdier). IB. Early bloom. Color Class Y3L. Van T 1911; 1916; 1920; Van W 1911; Francis 1929; Bon 1920. Synonym: Socriatare....
(IB) 'Sonny Boy' 1939, Kirkland 'Sonny Boy' (James Kirkland, R. 1939) IB. Midseason bloom. Color Class S6M. Kirkland 1939. SONNY BOY. This is the best of the bunc...
(IB) 'Soquel' 1940, Reinelt 'Soquel' OB (Frank Reinelt, R. 1940). AB, IMB, medium height, Late bloom season. White with medium blue pattern. 'William Mohr' X 'Su...
■(IB) 'Southland' 1934, Sass 'Southland' (Hans Peter Sass, R. 1934) IB. Midseason bloom and rebloom. Color Class Y4D. I. pumila x ( 'King Tut'). Honorable Ment...
■(IB) 'Space Cadet' 1970, Moldovan 'Space Cadet' ( Steve Moldovan, R. 1969). Seedling #26 69. IB, 22" (56 cm). Early bloom. Color Class V4W. Standards medium blu...
■(IB) 'Splat' 2002, Sutton 'Splat' (George Sutton, R. 2001). Seedling #K 63. IB, Height 25" (64 cm), Early to late bloom. Standards and style arms blended pale vi...
(IB) 'Spot' 1940, Reibold 'Spot' (Mrs. F. E. Reibold, R. 1940) IB. Early to Late bloom. Color Class B3L. 'Lieutenant De Chavagnac' X ('Claribel' x 'Souv. De Mme G...
(IB) 'Spotless' 1939, Sass 'Spotless' RB (Hans Peter Sass, R. 1938). AB, IMB, medium height, Midseason bloom. Color Class WW. Pure white self. I. hoogiana X 'Elf ...
(IB) 'Spring Deb' 1988, Fry 'Spring Deb' (James and Lucy Fry, R. 1988) Seedling #8 F 9. IB, 25" (68 cm). Midseason bloom. Pale yellow with full yellow hafts; yell...
■(IB) 'Spring Delight' 1940, Salbach 'Spring Delight' (Carl Salbach, R. 1940) IB. Late midseason bloom. Color Class Y6M. ('Dauntless' x 'W. R. Dykes') x ('Comstoc...
■(IB) 'Spring Glow' 1942, Schreiner 'Spring Glow' (Robert Schreiner, R. 1942) IB. Extra early bloom. Color Class R4D. 'Cheerio' x red garnet dwarf seedling. ...
(IB) 'Spring Into Autumn' 1998, Kremer 'Spring Into Autumn' (Ken Kremer, R. 2001). IB, Height 17" (43 cm), Very early bloom and rebloom. Standards creamy yellow g...
■(IB) 'Spring Thrill' 1977, Zurbrigg 'Spring Thrill' (Lloyd. Zurbrigg, R. 1976) Seedling #H 1 Y. IB, 26" (66 cm). Early bloom and some rebloom. Bright medium yell...
(IB) 'Srinagar' 1922, Dykes 'Srinagar' (W. R. Dykes, 1922) IB. Early bloom. Color Class B3D. See below: * * References References: Awaiting original cata...
■(IB) 'Star In The Night' 2009, Black 'Star In The Night' (Paul Black, R. 2009). Seedling #O247C. IB, 25" (64 cm). Midseason to late bloom. Standards dark blue pu...
(IB) 'Starfall' 1960, Roberts 'Starfall' (Earl Roberts, R. 1960) Seedling #60R48. IB, 19" (48 cm), Early to midseason bloom. Standards White: falls pale greenish ...
(IB) 'Starlet' 1941, Lapham 'Starlet' (E. Greig Lapham, R. 1941) TB. Late midseason bloom. Color Class Y8M. 'Pink Vista' x 'Salmon Splendor'. Main.BobPries ...
(IB) 'Starweather' 2021, Smith 'Starweather' (Marky Smith, R. 2021). Seedling 19 05. IB, 23" (58 cm), Early bloom. Standards and style arms very dark violet (blac...
(IB) 'Stary Tomas' 2004, Loktev 'Stary Tomas' Старый Томас (Sergey Loktev, R. 2003). Seedling #97 R7 4H. IB, Height 17" (42 cm), Very early to early midseason blo...
■(IB) 'Steeler Little' 1988/89, Blyth See below: * * References References: From Tempo Two catalog, 1988: STEELER LITTLE (Heidi Blyth 88 Aust) 18 24" M ML. ...
(IB) 'Striped Beauty' 1947, Taylor 'Striped Beauty' (Fred E. Taylor, R. 1947) IB. Early bloom and rebloom. Color Class Y3L. 'Jean Siret' x unknown. From the 2022 ...
(IB) 'Summer Girl' 1934, Danenhauer 'Summer Girl' (H. L. Danenhauer, R. 1934) IB. Midseason bloom. Color Class B7L. 'Mady Carriere' x unknown. Main.BobPries ...
(IB) 'Summer Sprite' 1960, Brown 'Summer Sprite' (G. Percy Brown, R. 1960) IB, 28" (71 cm), Early midseason and rebloom. Light blue self, near white. 'Tinted Porc...
(IB) 'Sundew' 1926, Essig 'Sundew' (Edward Essig, 1926). IB. Early bloom. Color Class Y5. 'Alcazar' X 'Mme Cheri'. See below: * * References References: Fro...
(IB) 'Sunny San Tone' 1947, Allen 'Sunny San Tone' (Robert E. Allen, R. 1947) IB. Midseason bloom. Color Class Y4M. Sass seedling #6 30 x self. No record of intro...
(IB) 'Surah' 1935, Vilmorin 'Surah' (Vilmorin Andrieux et Cie, 1935) IB. Midseason bloom. Color Class B9D. See below: * References References Bulletin de l...
■(IB) 'Surefire' 1927, Nicholls 'Surefire' (Jesse Crook Nicholls, 1927) IB. Early bloom and rebloom. Color Class Y4M. 'Yellow Bird' x 'Autumn King'. From the 2022...
■(IB) 'Susa' 1933, Sass 'Susa'. (Hans Peter Sass, 1933). IB, Height 24" (60 cm), Early bloom. Color Class R9D; Dark red bitone. Honorable Mention 1936. Note: Sas...
(IB) 'Susan Of Hilly' 1939, White 'Susan Of Hilly' OB ( Clarence G. White, R. 1939). AB, IMB, medium height, Midseason bloom. Medium yellow bitone blend. One hal...
(IB) 'Sweetness' 1940, Wayman 'Sweetness' (Robert Wayman, R. 1940) IB. Midseason bloom. Color Class WW. 'Gudrun' x white seedling. There are Main.BobPries ...