■(TB) 'Okarita' 1991, Harvey 'Okarita' (Revie Harvey, R. 1990). Seedling# RS/WV/83. TB, 42" (107 cm). Early to late bloom. White self, falls fluted; beards white,...
(TB) 'Okaw Blutop' 1966, Tucker 'Okaw Blutop' (James Tucker, R. 1966). Seedling# 13A. TB, 36" (91 cm). Very late bloom. Color Class B3L, Blue overlaid with much d...
(TB) 'Okaw Lavender' 1966, Tucker 'Okaw Lavender' (James Tucker, R. 1966). Seedling# 160. TB, 32" (81 cm). Early to midseason bloom. Color Class V5L, Blend of lav...
■(TB) 'Oklahoma' 1945, Mitchell 'Oklahoma' (Sydney B. Mitchell, R. 1945) TB. Late bloom. Color Class S3M. Seedling plicata x plicata. Mitchell, Salbach 1945. See ...
(TB) 'Oklahoma City 1940, Sass 'Oklahoma City' (Jacob Sass, 1940) TB. Late bloom. Color Class Y4L. Yellow seedling x 'Happy Days'. Main.BobPries 2011 03 07...
(TB) 'Oktohbi' 1947, Schroeder 'Oktohbi' (Raph Schroeder, R. 1945) TB. Midseason bloom. Color Class B1L. 'Shining Waters' x 'Gloriole'. A Village Garden(Schroeder...
■(TB) 'Ola Kala' 1943, Sass 'Ola Kala' (Jacob Sass, R. 1942) TB, Height 36", Late bloom. Color Class Y4D ('Prairie Sunset' x unknown) X ('Golden Age' x unknown). ...
(TB) 'Olatha' 1940, Tharp 'Olatha' (Mary Tharp, R. 1940) TB. Midseason bloom. Color Class B7M. ('El Capitan' x 'Dolly Madison') x 'Baldwin'. Main.BobPries ...
(TB) 'Old Black Joe' 1939, Hall 'Old Black Joe' (David Hall, 1939) TB. Late midseason bloom. Color Class B1D. ('Persia' x 'Sachem') X sister seedling. Main.B...
■(TB) 'Old Black Magic' 1996, Schreiner 'Old Black Magic' (Schreiner, R. 1996). Seedling AA 401 A. TB, 36" (91 cm). Early to midseason bloom. Lightly ruffled coal...
(TB) 'Old Brier' 1944, Tharp 'Old Brier' (Mary Tharp, R. 1944) TB. Midseason bloom. Color Class S4D. 'Chief Tallboy' x ('Messaline' x 'Dauntless'). Main.BobP...
(TB) 'Old Brocade' 1939, Pesel 'Old Brocade' (Louisa Pesel, R. 1939) TB. Midseason bloom. Color Class S7L. ('Aurifero' x dark seedling) x 'Rameses'. Main.Bob...
(TB) 'Old Bronze' 1946, Milliken 'Old Bronze' (Carl S. Milliken, R. 1946) TB. Midseason bloom. Color Class Y9M. ((('Sweet Alibi') x ('Aurifero' x 'Grace Sturtevan...
(TB) 'Old Colony' 1960, Knowlton 'Old Colony' (Harold Knowlton, R. 1960). Seedling# 52 12 A. TB, 38" (97 cm). Very late bloom. Color Class Y4W, Standarads golden ...
(TB) 'Old Cranberry' 1949, Milliken 'Old Cranberry' (Carl S. Milliken, R. 1949) TB. Midseason bloom. Color Class R4D. From two seedlings. See below: * * Refere...
■(TB) 'Old Flame' 1975, Ghio 'Old Flame' (Joseph Ghio, R. 1973). Seedling 70 96D. TB, 36" (91 cm). Late midseason bloom. Chalk white with thin yellow edge on all ...
■(TB) 'Old Glory' 1975, Blocher 'Old Glory' (Clarence Blocher, R. 1975). Seedling #263. TB, 36" (91 cm), Very late bloom.. Blue with large white flush on falls;...
(TB) 'Old Ironsides' 1936, Milliken 'Old Ironsides' (Carl S. Milliken, R. 1936) TB, Midseason bloom, Color Class S9D. 'Sherbert II' x 'Grace Sturtevant'. Milliken...
(TB) 'Old Lace' 1945, Mitchell 'Old Lace' (Sydney B. Mitchell, R. 1945) TB. Early bloom. Color Class S3L. Seedling plicata x plicata. Mitchell, Salbach 1945. See ...
(TB) 'Old Madrid' 1932, Shull 'Old Madrid' (J. M. Shull, R. 1932) TB. Midseason bloom. Color Class R9D. ( I. trojana x 'Isoline') x 'Julia Marlowe'. Main.Bo...
(TB) 'Old Maid' 1937, Pesel 'Old Maid' (Louisa Pesel, R. 1937) TB. Midseason bloom. Color Class B7M. 'Anne Marie Cayeux' x white seedling. Main.BobPries 20...
(TB) 'Old Prolific' 1962, Ross 'Old Prolific' (W. I. Ross, R. 1962). Seedling# 58 2. TB, 40" (102 cm). Midseason bloom. Color Class W1, Warm white self; yellow ha...
(TB) 'Old Rags' 1934, Danenhauer 'Old Rags' (H. L. Danenhauer, R. 1934) TB. Latee midseason bloom. Color Class B7D. 'Shalimar' x unknown. Main.BobPries 201...
■(TB) 'Old Renegade' 2008, Davis 'Old Renegade' (Marvin Davis, R. 2008). Seedling# K1 7 A. TB, 35" (89 cm). Early bloom. Standards and falls black purple on white...
■(TB) 'Old Rose' 1940, Salbach 'Old Rose' (Carl Salbach, R. 1940) TB. Early midseason bloom. Color Class S7D. ('Marquita' x 'Monadnock') x 'Dark Knight'. See...
(TB) 'Old Salem' 1934, Danenhauer 'Old Salem' (H. L. Danenhauer, R. 1934) TB. Midseason bloom. Color Class R3D. 'Ambassadeur' X 'Souv. De Mme Gaudichau'. See belo...
(TB) 'Old Seville' 1937, Murrell 'Old Seville' (Olive Murrell, R. 1937) TB. Midseason bloom. Color Class R9M. 'Grace Sturtevant' x 'W. R. Dykes'. Main.BobPri...
(TB) 'Old Tapestry' 1936, Murrell 'Old Tapestry' (Olive Murrell, R. 1936) TB. Extra early bloom. Color Class S6M. 'W. R. Dykes' x unknown. Main.BobPries 20...
(TB) 'Old Velvet' 1945, Sawyer 'Old Velvet' (Horace Sawyer, R. 1945) TB. Early midseason bloom. Color Class R9D. 'Indian Chief' x unknown. Main.BobPries 20...
■(TB) 'Old Vienna' 1966, Carpenter 'Old Vienna' (Carl Carpenter, R. 1966). TB, 38" (97 cm), Midseason bloom. Color Class Y04Vcm, Standards golden brown with v...
■(TB) 'Olentangey' 1981, Rawdon 'Olentangey' (D. Olen Rawdon' by L. Rawdon, R. 1980). Seedling# 7490 3. TB, 30" (76 cm). Midseason to late bloom. Dark orange...
(TB) 'Oligarch' 1954, Long 'Oligarch' (B. R. Long, R. 1954). TB, 33" (84 cm). Midseason bloom. Color Class R1D, Deep ruby red self. Seedlings. Main.BobPries ...
(TB) 'Olive Murrell' 1957, Hutchison 'Olive Murrell' (P. Hutchison, R. 1957). TB, 36" (91 cm), Midseason bloom. Color Class Y5D, Rich, warm brown blend with a bri...
(TB) 'Olive Murrell' by Perry 1924, Perry 'Olive Murrell' (Amos Perry, 1924 TB, Midseason bloom. Color Class S7L. Variety superceeded. See below: * * Reference...
■(TB) 'Olive Orchid' 1957, Austin 'Olive Orchid' (Lloyd Austin, R. 1955 for 1956). Seedling# Ob 13 A. TB, 40" (102 cm). Late bloom. Pale lilac blue self, deep lil...
(TB) 'Olive's Pride' 1966, Watkins 'Olive's Pride' (Edward and Arthur Watkins, R. 1966). Seedling# 58 l00 d. TB, 31" (79 cm). Midseason bloom. Color Class B3P, St...
(TB) 'Olivette' 1957, Jonas 'Olivette' (Clarence Jonas, R. 1957). Seedling# 853 1. TB, 38" (97 cm). Midseason to late bloom. Color Class GY3. Standards citron yel...
(TB) 'Olivia' 1920, Hort 'Olivia' (Sir Arthur Hort, 1920) TB. Midseason bloom. Color Class B1M. 'Caterina' x unknown. See below: * * References References: ...
(TB) 'Olivier Perthuis' 1920, Millet 'Olivier Perthuis' (Millet et Fils, 1920) TB. Midseason bloom. Color Class B3M. 'Ricardi' X unknown. Synonyms: Mon. Oliver Pe...
(TB) 'Olwen' 1929, Dykes 'Olwen' (W. R. Dykes, 1929) TB. Color Class S3M. See below: * * References References: OLWEN A tall attractive Iris of delicat...
■(TB) 'Olymparico' 1990, Williamson 'Olymparico' (Bryce Williamson, R. 1990). TB, 36" (91 cm), Very early to early bloom. Cream white, soft cream yellow haft in...
(TB) 'Olympian' 1948, Douglas 'Olympian' (Geddes Douglas, R. 1946) TB. Midseason bloom. Color Class R6M. 'Red Amber' x ('Bonnie Lass' x 'Red Bonnet'. See below: *...
(TB) 'Olympic' 1933, Berry 'Olympic' (Samuel Berry, 1933) TB. Early midseason bloom. Color Class W1M. 'Bruno' x ( I. mesopotamica x 'Magnifica'). Main.BobP...
■(TB) 'Olympic Odyssey' 1999, Dunn 'Olympic Odyssey' (Mary Dunn by Robert Dunn, R. 1998). Seedling# M2149A. TB, 36" (91 cm). Midseason bloom. Standards pale lilac...
■(TB) 'Olympic Star' 1957, Douglas 'Olympic Star' (Geddes Douglas, R. 1957). Seedling# 921 x. TB, height 40" (102 cm). Midseason to late bloom. Color Class R4, St...
■(TB) 'Olympio' 1936, Cayeux 'Olympio' (Ferdinand Cayeux, 1936) TB Midseason bloom. Color Class R9D. Red bitone. French Dykes Memorial Medal 1936. See below: *...
(TB) 'Olympus Glow' 1959, Solomon 'Olympus Glow' (Raymond Solomon, R. 1959). Seedling# 52 3A5. TB, 36" (91 cm), Early to midseason bloom. Color Class O1P, Deep sa...
(TB) 'Olympus Skies' 1955, Carlston 'Olympus Skies' (Mrs. Ralph Carlston, R. 1954). Seedling# 5201. TB, 36" (91 cm), Midseason bloom. Color Class W2, White and bl...