Index

R. occidentale 'Miniskirts'

Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D., 1976

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Ocean Gold'

Azalea Species Selection

Selected By: Frisbie, L.F. , Tacoma, Washington , USA, 1965

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Ocean Mist'

Azalea Species Selection

Selected By: Frisbie, L.F. , Tacoma, Washington , USA, 1965

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Pistil Packin' Mama'

Azalea Species Selection

Selected By: Slonecker, H.J. , Milwaukie, Oregon , USA, 1974

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Pistil Pete'

Azalea Species Selection

Selected By: Slonecker, H.J. , Milwaukie, Oregon , USA, 1974

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Rogue River Bell'

Azalea Species Selection

Selected By: Frisbie, L.F. , Tacoma, Washington , USA, 1965

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Stagecoach Cream'

Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D., 1969

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Stagecoach Frills'

Azalea Species Selection

Selected By: Smith, B.M. & Mossman, F.D., 1969

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Tatum's Deep Pink'

Azalea Species Selection

Selected By: Tatum, T. , Portland, Oregon , USA, 1974

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. occidentale 'Tatum's Yellow Standard'

Azalea Species Selection

Selected By: Tatum, T. , Portland, Oregon , USA, 1973

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. 'occidentale x cumberlandense'

Azalea Hybrid

R. occidentale X R. cumberlandense

Hybridized By: No hybridiser registered

R. 'Oceanlake'

Rhododendron Hybrid

R. 'Sapphire' X R. 'Blue Diamond'

Hybridized By: Wright, A.O.. Canby, Oregon, USA, 1965

R. 'Ochoco'

Azalea Hybrid

R. 'Hugh Wormald' X R. 'Marion Merriman'

Hybridized By: Slonecker, H.J. | Milwaukie, Oregon | USA, 1964

R. ochraceum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

R. 'Ochroleucum'

Rhododendron Hybrid

R. caucasicum X ?

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1862

R. 'Ochroleucum'

Azalea Hybrid

? X ?

Hybridized By: Kinghorn, F.R., 1864

R. 'Ochroleucum'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Ochroleucum'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1871

R. 'Ochroleucum'

Azaleodendron Hybrid

R. ponticum X R. molle ssp molle

Hybridized By: Smith, W. (gardener Earl of Liverpool) | Kingston-upon-Thames, Surrey | England, 1840

R. 'Octave de Schryver'

Rhododendron Hybrid

? X ?

Hybridized By: Vervaene, J.. Ledeberg, near Ghent, Belgium, 1875

R. 'Octavia Group'

Rhododendron Cultivar group

R. 'Akbar Group' X R. griersonianum

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1947

R. 'October Pink'

Azalea Hybrid

? X ?

Hybridized By: Australia, 1984

R. 'Octopus Group'

Rhododendron Cultivar group

R. dichroanthum ssp dichroanthum X R. kyawii

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1938

R. 'Oculatum'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1865

R. 'Oculatum Nigrum'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1865

R. 'Oculissimum'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1865

R. 'Odalisk'

Rhododendron Hybrid

R. 'Essex Scarlet' X R. fortunei ssp fortunei

Hybridized By: Shapiro, B. & M., 1959

R. 'Odd Ball'

Rhododendron Hybrid

R. 'China Group' X R. 'Goldbug'

Hybridized By: Elliott, W., 1967

R. 'Odee Wright'

Rhododendron Hybrid

R. 'Idealist Group' X R. 'Mrs Betty Robertson'

Hybridized By: Wright, A.O.. Canby, Oregon, USA, 1957

R. 'Odee Wright x Crest'

Rhododendron Hybrid

R. 'Odee Wright' X R. 'Crest'

Hybridized By: No hybridiser registered

R. 'Odessa'

Rhododendron Hybrid

R. 'Fabia Group' X R. smirnowii

Hybridized By: Nagel, W. (Walter). Bretten, Baden, Germany, 1967

R. 'Odessa x Spätlese'

Rhododendron Hybrid

R. 'Odessa' X R. 'Spätlese'

Hybridized By: No hybridiser registered

R. 'Odette'

Azalea Hybrid

? X ?

Hybridized By: Croux & Fils | Châtenay-Malabry | France, 1984

R. 'Odilia'

Azalea Hybrid

R. 'Aladdin' X R. 'Amoenum'

Hybridized By: Boskoop | Research Center fo Arboreus Crops | Netherlands, 1977

R. 'Odin'

Azalea Hybrid

R. molle ssp molle X R. molle ssp japonicum

Hybridized By: Wezelenburg & Son, 1958

R. 'Odin'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1907

R. 'Odoratum'

Azalea Hybrid

? X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1804

R. 'Odoratum'

Azalea Hybrid

? X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1804

R. 'Odoratum'

Azaleodendron Hybrid

R. ponticum X R. periclymenoides

Hybridized By: Thompson, London, 1869

R. 'Odoratum Albicans'

Azalea Hybrid

? X ?

Hybridized By: Waterer (Bagshot) | Surrey | England, 1865

R. 'Odoratum Pallidum'

Azalea Hybrid

? X ?

Hybridized By: Fraser, 1875

R. 'Oedipus Group'

Rhododendron Cultivar group

R. 'Eros Group' X R. 'Jacquetta Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1934

R. 'Oeillet Parfait'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1889

R. 'Oekonomierat Stoll'

Rhododendron Hybrid

R. edgeworthii X R. 'Gibsonii'

Hybridized By: Zahradnik, 1880

R. 'Oester'

Azalea Hybrid

X R. kaempferi

Hybridized By: Arends, G. | Wuppertal | Germany, 1914

R. 'OF-1'

Azalea Hybrid

R. 'K-38' X R. austrinum

Hybridized By: Aromi, E.J | Mobile, Alabama | USA

R. 'Off-shoot'

Rhododendron Hybrid

R. 'Holden' X R. 'Mary Garrison'

Hybridized By: Rhein, W.L.. Mechanicsburg, Pennsylvania, USA, 1977

R. 'Off-shoot X Phipps Yellow x Viennese Waltz'

Rhododendron Hybrid

R. 'Off-shoot' X R. 'Phipps Yellow x Viennese Waltz'

Hybridized By: Woodard, G. (George) (superintendent Phipps Estate). Westbury, NY, USA

R. 'Off-shoot x Lofthouse's Legacy'

Rhododendron Hybrid

R. 'Off-shoot' X R. 'Lofthouse's Legacy'

Hybridized By: Woodard, G. (George) (superintendent Phipps Estate). Westbury, NY, USA

R. 'Offwell'

Azalea Hybrid

R. eriocarpum 'Gumpo' X R. macrosepalum

Hybridized By: Bawden, H.E., 1975

R. 'Ogaretta'

Rhododendron Hybrid

R. 'Grierosplendour Group' X R. fortunei ssp fortunei

Hybridized By: Means, R.L., 1986