Rhododendron Index

R. 'Olympic Hose-in-hose'

Rhododendron Hybrid

R. 'Fabia Group' x ?

Hybridized By: Clark, R.W.

R. 'Olympic Hunter'

Rhododendron Hybrid

R. 'Fabia Group' x ?

Hybridized By: Clark, R.W.

R. 'Olympic Knight'

Rhododendron Hybrid

R. 'Fabia Group' x ?

Hybridized By: Clark, R.W.

R. 'Olympic Lady Group'

Rhododendron Cultivar group

R. 'Loderi King George' x R. williamsianum

Hybridized By: Ostbo, E.

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R. 'Olympic Maid'

Rhododendron Hybrid

R. 'Fabia Group' x ?

Hybridized By: Clark, R.W.

R. 'Olympic Miss'

Rhododendron Hybrid

R. 'Fabia Group' x ?

Hybridized By: Clark, R.W.

R. 'Olympic Quinault'

Rhododendron Hybrid

R. griersonianum x ?

Hybridized By: Layritz Nursery

R. 'Olympic Sun'

Rhododendron Hybrid

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

Hybridized By: Minch, F.

R. 'Olympic Sunset'

Rhododendron Hybrid

R. 'Lemon Custard' x R. 'Crest'

Hybridized By: Elliott, W.

R. 'Olympic Sweetheart'

Rhododendron Hybrid

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

Hybridized By: Clark, R.W.

R. 'Olympic Triumph'

Rhododendron Hybrid

? x ?

Hybridized By: Ragan, W.A

R. 'Omar Group'

Rhododendron Hybrid

R. catacosmum x R. beanianum

Hybridized By: Stevenson, J.B.

R. 'Omar Pasha'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

R. ombrochares

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. 'Omega'

Rhododendron Hybrid

R. catawbiense x ?

Hybridized By: Seidel, T.J.

R. 'Omega'

Evergreen Azalea Hybrid

R. 'Marian Lee' x R. 'Glacier'

Hybridized By: Deckert, E.

R. 'Omega x Roseum Elegans'

Rhododendron Hybrid

R. 'Omega' x R. 'Roseum Elegans'

R. 'Omega x wardii'

Rhododendron Hybrid

R. 'Omega' x R. wardii var wardii

R. 'Omen'

Evergreen Azalea Hybrid

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

Hybridized By: Morrison, B.Y.

R. 'Omi'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Ominameshi'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Omniflorum'

Rhododendron Hybrid

R. 'Multiflorum' x ?

Hybridized By: Davies, I

R. 'Omodaka'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Omoi-no-maku'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Omoine'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Omokage'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Omphale'

Rhododendron Hybrid

? x ?

Hybridized By: Standish, J.

R. 'Omsk'

Rhododendron Hybrid

? x ?

Hybridized By: Seidel, T.J.R.

R. 'Omu'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Omurasaki'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Fortune, R.

R. 'ON-3'

Deciduous Azalea Hybrid

R. austrinum x R. 'Elmer's Orange'

Hybridized By: Aromi, E.J

R. 'On-no-sora'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Oncle Mein'

Rhododendron Hybrid

? x ?

Hybridized By: Walther, C.J.H.

R. 'Ondine'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gunkel

R. 'One Thousand Butterflies'

Rhododendron Hybrid

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

Hybridized By: Lofthouse, J.G.

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R. 'One-o-one'

Deciduous Azalea Hybrid

R. 'Cecile' x R. 'Cecile'

Hybridized By: Childers, A.A & M.

R. 'Onjoji'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Only One Earth'

Evergreen Azalea Hybrid

R. 'Gretel' x ?

Hybridized By: Taylor, G.

R. 'Only Yours'

Rhododendron Hybrid

R. 'Terra' x R. 'Winter Spice'

Hybridized By: Barlup, Jim

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R. 'Onoe'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Ito, Ihei

R. 'Onshi'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Onsho'

Evergreen Azalea Hybrid

R. Katoi x R. Kyokko-nishiki

Hybridized By: Japan

R. 'Onsloweanum'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Onycina'

Deciduous Azalea Hybrid

? x ?

Hybridized By: van Geert, C.

R. 'Onyo'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Oogocho'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Ooh Gina'

Rhododendron Hybrid

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

Hybridized By: Burlingame, C.R.

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R. 'Ooh-la-la'

Rhododendron Hybrid

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

Hybridized By: Lofthouse, J.G.

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R. 'Opal'

Rhododendron Hybrid

? x ?

Hybridized By: Arends,

R. 'Opal'

Rhododendron Hybrid

? x ?

Hybridized By: Stokes, W.E.