(TB) 'Omaha' 1926, Sass 'Omaha' (Hans Peter Sass, 1926) TB. Midseason bloom. Color Class R9D. See below: * * References References: From Sass catalog, 19...
■(TB) 'Omar A Fatima' 2020, Mego 'Omar A Fatima' (Anton Mego, R. 2020) Seedling AM 09/3759 1. TB, 34.5" (88 cm), Midseason to late bloom. Standards and style arms...
■(TB) 'Omas Sommerkleid' 1958, von Martin 'Omas Sommerkleid' (Victor von Martin, R. 1958). TB, 36" (91 cm). Early to midseason bloom. Color Class YO5, Standards p...
(TB) 'Ombre' 1936, Ayars 'Ombre' (Charles Ayars, R. 1936) TB. Midseason bloom. Color Class B3D. 'Souv. De Mme Gaudichau' X 'Tenebrae'. See below: * * Reference...
(TB) 'Omega' 1941, Washington 'Omega' (Thomas Washington, R. 1940) TB. Very late bloom. Color Class W4. lily fragrance. 'Will O' The Wisp' x 'Cathedral Dome'. Was...
(TB) 'Omphale' 1933, Cayeux 'Omphale' (Ferdinand Cayeux, 1933) TB. Midseason bloom. Color Class R1L. See below: * References References Bulletin de la Soci...
■(TB) 'On A Wire' 2018, Sutton 'On A Wire' (Michael Sutton, R. 2018). Seedling AB 333 E. TB, 35" (89 cm), Midseason to late bloom. Standards white, thin brow...
■(TB) 'On En Rêve' 2021, Cayeux 'On En Rêve' (Richard Cayeux, R. 2021). Seedling 11263A. TB, 30" (75 cm). Early to midseason bloom. Standards pure sky blue; falls...
(TB) 'On Guard' 1947, Carpenter 'On Guard' (Carl Carpenter, R. 1947) TB. Late bloom. Color Class Y4L. 'Ming Yellow' x Yellow seedling of Dr. Grant. Tell, Fairmoun...
(TB) 'On High' 1967, Willbanks 'On High' (N. T. Willbanks, R. 1967). Seedling# 448 1. TB, 54" (137 cm). Midseason bloom. Color Class W1, White self; light yellow ...
■(TB) 'On My Way' 2024, Johnson 'On My Way' (Thomas Johnson, R. 2024). Seedling TK155ZZ, TB, 36" (91 cm), Midseason to late bloom. Standards light lavender, buff ...
■(TB) 'On Parade' 1956, Crosby 'On Parade' (Luzon Crosby, R. 1953). TB, 36" (91 cm). Early to late bloom. Color Class Y4, Standards deep yellow, falls rich red….
(TB) 'On Parade by Williams' 1934, Williams 'On Parade' (Thomas A. Williams, 1934) TB. Midseason bloom. Color Class B3D. Seedling# 1302 X 'Souv. De Mme Gaudichau'...
■(TB) 'On The Beach' 1982, Plough 'On The Beach' (Gordon Plough, R. 1981). Seedling# 74 157 5. TB, 34" (86 cm). Early to late bloom. Standards white; falls light ...
■(TB) 'On The Cover' 2023, Johnson 'On The Cover' (Thomas Johnson, R. 2023) Seedling TK22A, TB, 34" (86.5 cm), Early to midseason bloom. Standards deep purple, li...
■(TB) 'On The Fringe' 2023, Johnson 'On The Fringe' (Thomas Johnson, R. 2023) Seedling TK64A, TB, 35" (89.0 cm), Midseason to late bloom. Standards deep magenta; ...
■(TB) 'On The Go' 1974, Plough 'On The Go' (Gordon Plough, R. 1973). Seedling# 66 45 7. TB, 29" (74 cm). Early to late bloom. Standards white, blending to hyacint...
■(TB) 'On The Line' 2023, Johnson 'On The Line' (Thomas Johnson, R. 2023) Seedling TJ133ZZ, TB, 35" (89 cm), Midseason bloom. Standards cream, large central peach...
■(TB) 'On The Move' 2006, Schreiner 'On The Move' (Schreiner, R. 2006) Seedling# JJ 1448 A. TB, 41" (104 cm). Midseason bloom. Standards violet blue (RHS 90A) on ...
■(TB) 'On The Pink Way' 2007, Loktev by Rozanova 'On The Pink Way' (Sergey Loktev by Liudmila Rozanova, R. 2006). Seedling# 98 19 5C. TB, 33" (84 cm). Early midse...
■(TB) 'On the Podium' 2019, Blyth 'On the Podium' (Barry Blyth, R. 2019) Seedling Y43 B. TB, 36" (91 cm), Midseason to late bloom. Standards creamy white, pas...
■(TB) 'Once And For All' 2023, Johnson 'Once And For All' (Thomas Johnson, R. 2023) Seedling TK150YY, TB, 29" (73.5 cm), Early to midseason bloom. Standards rich ...
■(TB) 'Once In A Lullaby' 2010, Spoon 'Once In A Lullaby' (Donald Spoon, R. 2010) Seedling# 2003 113A. TB, 36" (91 cm). Late midseason bloom. Standards and style ...
■(TB) 'Once Upon A Time' 2018, Black 'Once Upon A Time' (Paul Black, R. 2018). Seedling V158A. TB, 39" (99 cm), Late to very late bloom. Standards and style a...
■(TB) 'One Bad Hombre' 2020, Burseen 'One Bad Hombre' (Tom Burseen, R. 2019) Seedling 16 1116A. TB, 35" (89 cm), Midseason to late bloom. Standards and style ar...
■(TB) 'One For The Nurses' 2013, Moran 'One For The Nurses' (Anita Moran, R. 2013) Seedling# 06DPgw01. TB, 32 (81 cm). Midseason bloom. Standards dark purple (RHS...
■(TB) 'One In A Million' 2023, Johnson 'One In A Million' (Thomas Johnson, R. 2023) ‘Seedling TL172ZZ, TB, 35" (89.0 cm), Midseason bloom. Standards none; style a...
■(TB) 'One Last Kiss' 2014, Johnson 'One Last Kiss' (Thomas Johnson, R. 2013) Seedling TD120A. TB, 40" (102 cm), Late bloom. Standard and style arms light pink; f...
■(TB) 'One Man Band' 2008, Davis 'One Man Band' (Marvin Davis, R. 2008). Seedling# K0 5 M. TB, 32" (81 cm). Early midseason bloom. Standards and style arms deep l...
■(TB) One More Night 2010, Duncan 'One More Night' (Roger Duncan, R. 2010) Seedling# 05 F 48 25. TB, 38" (97 cm). Late bloom. Standards silky glossy dark rich pur...
■(TB) 'One More Sip' 2013, Burseen 'One More Sip' (Tom Burseen, R. 2012) Seedling 09 523B. TB, 35" (89 cm). Very early to midseason bloom. Standards violet (RHS 8...
■(TB) 'One of a Kind' 2010, Black 'One of a Kind' (Paul Black, R. 2010 ) Seedling# O177A. TB, 35" (89 cm). Late midseason bloom. Standards chalky lilac, red plum ...
■(TB) 'One Small Step' 2005, Ernst 'One Small Step' (Richard Ernst, R. 2004) Seedling# 03 A58. TB, 34" (86 cm). Early bloom. Standards honey cream, flecked and st...
■(TB) 'One That I Want' 2021, Johnson 'One That I Want' (Thomas Johnson, R. 2021). Seedling TF1B. TB, 33" (84 cm), Early to late bloom. Standards white ground, ov...
■(TB) 'One Way Or Another' 2024, Johnson 'One Way Or Another' (Thomas Johnson, R. 2024). Seedling TL229YY, TB, 37" (94 cm), Midseason to late bloom. Standards gol...
■(TB) 'Onesforall' 1996, Tompkins 'Onesforall' (Chet Tompkins, R. 1996) TB, 38" (97 cm). Late midseason bloom. Ruffled velvety white, yellow flush at base of Stan...
(TB) 'Onkel Po' 1979, Denkewitz 'Onkel Po' (Lothar Denkewitz, R. 1979). Seedling# 73 var 2. TB, 33" (85 cm), Midseason to late bloom. Standards gold; falls glowin...
(TB) 'Onliwon' 1954, Wild 'Onliwon' OB (Gilbert Wild, R. 1954). AB, EC, 32” (81 cm). Late midseason bloom. Tan gold and orchid blend. ('W. R. Dykes' x 'Adobe') X...
■(TB) 'Only A Lady' 2019, Johnson 'Only A Lady' (Thomas Johnson, R. 2019) Seedling TH35B. TB, 37" (94 cm), Late bloom. Standards and style arms pink; falls ...
■(TB) 'Only For Me' 2010, Loktev 'Only For Me' (Sergey Loktev, R. 2010) Seedling #04 310 3. TB, 29" (74 cm), Very early to midseason bloom. Standards light beetro...
■(TB) 'Only One For Me' 2023, Johnson 'Only One For Me' (Thomas Johnson, R. 2023) Seedling TL1E, TB, 36" (91.5 cm), Midseason to late bloom. Standards pink; style...
■(TB) 'Only the Shadow Knows' 2020, Black 'Only the Shadow Knows' (Paul Black, R. 2020) Seedling V118B. TB, 33" (84 cm), Midseason to late bloom. Standards dark s...
(TB) 'Onnoris' 1920, Sturtevant 'Onnoris' (Grace Sturtevant, 1920) TB. Midseason bloom. Color Class Y5L. 'Aurea' x 'Mrs. George Darwin'. See below: * * Referen...
■(TB) 'Onondaga' 1957, Hall 'Onondaga' (T. W. Hall, R. 1957). Seedling# R 147. TB, 30" (76 cm). Midseason to late bloom. Color Class R1D, Mahogany red self. Seedl...
(TB) 'Onyx' 1928, Williamson 'Onyx' (E. B. Williamson, 1928) TB. Midseason bloom. Color Class W9L. 'Koya' x mixed pollen. See below: * * References Reference...
■(TB) 'Oos And Ahs' 1977, Ensminger 'Oos And Ahs' (Allan Ensminger, R. 1973) Seedling# 69 32 15. TB, 36" (91 cm). Late midseason bloom. Pale blue (RHS 642/3), spl...