(AB) 'Oddfellow' 1956, Muhlestein 'Oddfellow' (Tell Muhlestein, R. 1956). Seedling 52 l1. IT (hybrid.), 20" (51 cm). Early midseason bloom. Color Class W2, Fancy ...
■(AB) 'Ode To Kalifa' 1980, Moores 'Ode To Kalifa' OGB (Walter Moores, R. 1978). Seedling 73 9. AB (1/4), 16" (41 cm). Very early bloom. Standards pale blue, fle...
■(AB) 'Okon' 1952 Kummer 'Okon' OGB (O. A Kummer by Lloyd Zurbrigg, R. 1952). AB, DMB, 10" (25 cm). Early bloom. Self of red violet, deeper veining. Dark dwarf X...
■(AB) 'On The Web' 2019, Tasco 'On The Web' (Richard Tasco, R. 2019) Seedling 13 AB 09 01. AB (OGB), 27" (69 cm), Late bloom. Standards parchment cream ground ve...
(AB) 'Onliwon' 1954, Wild 'Onliwon' OB (Gilbert Wild, R. 1954). AB, EC, 32" (81 cm). Midseason late bloom. Tan gold and orchid blend. ('W. R. Dykes' x 'Adobe') X...
■(AB) 'Opals For Ethel' 1984, McAllister 'Opals For Ethel' OB (Sharon McAllister, R. 1983) AB 28.5" (72 cm). Early midseason bloom. Opalescent light blue with sl...
(AB) 'Opentyde' 1940, White 'Opentyde' OB (Clarence G. White, R. 1940). AB, TMB, Color Class S3M, tall. Early bloom. Medium blended bitone. Parentage unknown. No...
■(AB) 'Ora J. Seale' 1983, Hunt 'Ora J. Seale' OGB (Eugene Hunt by Sharon McAllister, R. 1983). Seedling ORB 81 1. AB, 29" (74 cm). Early to midseason bloom. St...
■(AB) 'Ormaco' 1941, Kleinsorge 'Ormaco' ( Kleinsorge, R. 1941). Midseason bloom. IMB. Color Class S7D, 'Ormohr' x 'Aztec Copper'. Note: Registered as IB, but ...
■(AB) 'Ormohr' 1937, Kleinsorge 'Ormohr' OB (Rudolph E. Kleinsorge, R.1937). AB, TMB, tall. Midseason bloom. Medium blue self. 'William Mohr' X 'Anakim'. Kleinso...
■(AB) 'Otero Mesa' 2024, Dash 'Otero Mesa' (Howie Dash, R. 2023) Seedling AS BA MC 2019, AB (OGB ), 20" (51 cm), Early bloom. Standards beige, light yellow veinin...
(AB) 'Over Here' 1938, White 'Over Here' ( Clarence G. White, R. 1938) TMB. Midseason bloom. Color Class S9D. (1/4 onc.). Also listed in TB web: 'Over Here'. NOTE...
■(AB) 'Oyez' 1938, White 'Oyez' (Clarence G. White, 1938) AB (OGB diploid). IMB, Medium height. Midseason bloom. White with red patterning and veining. 'Polyhymni...
■(AB) 'Ozie Waters' 1955, Linse 'Ozie Waters' OB ( Jack Linse, R. 1955). Seedling Spell cap #1. TB Hybr. 36" (91 cm), Early bloom. Deep rose red self; brownish s...