Rhododendron Index

R. 'Ouchi-jishi'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Ouchiyama'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Oudijk's Favorite'

Rhododendron Hybrid

R. Intrifast Group x R. augustinii ssp augustinii

R. 'Oudijk's Sensation'

Rhododendron Hybrid

R. 'Essex Scarlet' x R. williamsianum

Hybridized By: Hobbie, Dietrich G.

More information and pictures

R. 'Oudijk's Sensation x Marinus Koster'

Rhododendron Hybrid

R. 'Oudijk's Sensation' x R. 'Marinus Koster'

R. 'Ouida'

Rhododendron Hybrid

R. 'Astarte' x R. griersonianum

Hybridized By: Aberconway, Lord

R. 'Ouida Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Aberconway, Lord

R. 'Our Choice'

Rhododendron Hybrid

? x ?

Hybridized By: Knippenberg, Mrs. J. F.

R. 'Our First'

Rhododendron Hybrid

R. ponticum x ?

R. 'Our Friend'

Rhododendron Hybrid

? x ?

Hybridized By: Schram, B.

R. 'Our Gem'

Rhododendron Hybrid

? x ?

Hybridized By: Begg, L.

R. 'Our Kate'

Rhododendron Hybrid

? x ?

Hybridized By: Rothschild, Edmund Leopold de

R. 'Our Kate Group'

Rhododendron Hybrid

? x ?

Hybridized By: Rothschild, Edmund Leopold de

R. 'Our Kate Marise'

Rhododendron Hybrid

R. macabeanum x R. calophytum var calophytum

Hybridized By: Rothschild, Edmund Leopold de

R. 'Ouro Puro'

Rhododendron Hybrid

? x ?

Hybridized By: Brandt, Lester E.

R. 'Outlook'

Rhododendron Hybrid

? x ?

Hybridized By: Haag, C.R. & V. (Velma)

R. 'Ovation'

Rhododendron Hybrid

R. 'Mars' x R. haematodes ssp haematodes

Hybridized By: Nagel, W. (Walter)

R. 'Ovation'

Rhododendron Hybrid

? x ?

R. ovatum

Species

Subgenus: Azaleastrum
Section: Azaleastrum

More information and pictures

R. 'Over the Rainbow'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Carlson's Gardens

R. 'Overture'

Azalea Hybrid

? x ?

Hybridized By: Aromi, E.J

R. 'Ovid'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Owen Thomas'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Oxlip Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Rothschild, L. de

R. oxycoccoides

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Oxydol'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Exbury

More information and pictures

R. 'Oz'

Rhododendron Hybrid

R. 'Catawbiense Album' x R. 'Fabia Group'

Hybridized By: Lem Halfdan