Index

R. 'Olympic Hose-in-hose'

Rhododendron Hybrid

R. 'Fabia Group' X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1958

R. 'Olympic Hunter'

Rhododendron Hybrid

R. 'Fabia Group' X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1958

R. 'Olympic Knight'

Rhododendron Hybrid

R. 'Fabia Group' X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1958

R. 'Olympic Lady Group'

Rhododendron Cultivar group

R. 'Loderi King George' X R. williamsianum

Hybridized By: Ostbo, E.. Bellevue, Washington, USA, 1954

R. 'Olympic Maid'

Rhododendron Hybrid

R. 'Fabia Group' X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1958

R. 'Olympic Miss'

Rhododendron Hybrid

R. 'Fabia Group' X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1954

R. 'Olympic Quinault'

Rhododendron Hybrid

R. griersonianum X ?

Hybridized By: Layritz Nursery, 1954

R. 'Olympic Sun'

Rhododendron Hybrid

R. 'Brandt's Best Yellow' X R. 'Marcia'

Hybridized By: Minch, F.. Puyallup, Washington, USA, 1984

R. 'Olympic Sunset'

Rhododendron Hybrid

R. 'Lemon Custard' X R. 'Crest'

Hybridized By: Elliott, W., 1969

R. 'Olympic Sweetheart'

Rhododendron Hybrid

R. 'Romany Chai Group' X R. fortunei ssp discolor

Hybridized By: Clark, R.W.. Olympia, Washington, USA, 1954

R. 'Olympic Triumph'

Rhododendron Hybrid

? X ?

Hybridized By: Ragan, W.A, 1969

R. 'Omar Group'

Rhododendron Hybrid

R. catacosmum X R. beanianum

Hybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1939

R. 'Omar Pasha'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1867

R. ombrochares

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. 'Omega'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Seidel, T.J.. Dresden, Germany, 1904

R. 'Omega'

Azalea Hybrid

R. 'Marian Lee' X R. 'Glacier'

Hybridized By: Deckert, E., 1980

R. 'Omega x Roseum Elegans'

Rhododendron Hybrid

R. 'Omega' X R. 'Roseum Elegans'

Hybridized By: No hybridiser registered

R. 'Omega x wardii'

Rhododendron Hybrid

R. 'Omega' X R. wardii var wardii

Hybridized By: No hybridiser registered

R. 'Omen'

Azalea Hybrid

R. 'Illusion' X R. 'Osakazuki x Suetsumu'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1952

R. 'Omi'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Ominameshi'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Omniflorum'

Rhododendron Hybrid

R. 'Multiflorum' X ?

Hybridized By: Davies, I. Ormskirk, Lancashire, England, 1898

R. 'Omodaka'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Omoi-no-maku'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Omoine'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1918

R. 'Omokage'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Omphale'

Rhododendron Hybrid

? X ?

Hybridized By: Standish, J.. Bagshot, Surrey, England, 1870

R. 'Omsk'

Rhododendron Hybrid

? X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918

R. 'Omu'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Omurasaki'

Azalea Hybrid

? X ?

Hybridized By: Fortune, R., 1851

R. 'ON-3'

Azalea Hybrid

R. austrinum X R. 'Elmer's Orange'

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

R. 'On-no-sora'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1938

R. 'Oncle Mein'

Rhododendron Hybrid

? X ?

Hybridized By: Walther, C.J.H., 1860

R. 'Ondine'

Azalea Hybrid

? X ?

Hybridized By: Gunkel, 1895

R. 'One Thousand Butterflies'

Rhododendron Hybrid

R. 'Lem's Cameo' X R. 'Pink Petticoats'

Hybridized By: Lofthouse, J.G.. Vancouver, British Columbia, Canada, 1975

R. 'One-o-one'

Azalea Hybrid

R. 'Cecile' X R. 'Cecile'

Hybridized By: Childers, A.A & M., 1955

R. 'Onjoji'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Only One Earth'

Azalea Hybrid

R. 'Gretel' X ?

Hybridized By: Taylor, G., 1972

R. 'Only Yours'

Rhododendron Hybrid

R. 'Terra' X R. 'Winter Spice'

Hybridized By: Barlup, Jim. Bellevue, USA, 2014

R. 'Onoe'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Onshi'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Onsho'

Azalea Hybrid

X

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Onsloweanum'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1851

R. 'Onycina'

Azalea Hybrid

? X ?

Hybridized By: van Geert, C., 1843

R. 'Onyo'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1975

R. 'Oogocho'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1978

R. 'Ooh Gina'

Rhododendron Hybrid

R. 'Golden Belle' X R. 'Lem's Cameo'

Hybridized By: Burlingame, C.R., 1976

R. 'Ooh-la-la'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Pink Petticoats'

Hybridized By: Lofthouse, J.G.. Vancouver, British Columbia, Canada, 1970

R. 'Opal'

Rhododendron Hybrid

? X ?

Hybridized By: Arends, G.. Wuppertal, Germany

R. 'Opal'

Rhododendron Hybrid

? X ?

Hybridized By: Stokes, W.E.

R. 'Opal'

Azalea Hybrid

? X ?

Hybridized By: Unknown