Rhododendron Index

R. 'Robert van Oost'

Evergreen Azalea Hybrid

R. 'Theodor Findeisen' x R. 'Paul Schäme'

Hybridized By: van Oost, G.

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R. 'Robert Weldon'

Rhododendron Hybrid

? x ?

R. 'Robert Whelan'

Azalea Hybrid

? x ?

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R. 'Robert Withers'

Vireya Hybrid

R. christianae x R. aequabile

R. 'Roberta Ann'

Evergreen Azalea Hybrid

? x ?

R. 'Roberta Ann x Boudoir'

Evergreen Azalea Hybrid

R. 'Roberta Ann' x R. 'Boudoir'

R. 'Roberta Rae'

Rhododendron Hybrid

? x ?

Hybridized By: Stockman, M.

R. 'Roberte'

Rhododendron Hybrid

R. fortunei ssp discolor x R. campylocarpum ssp campylocarpum

Hybridized By: Rothschild, L. de

R. 'Robin Hill Congo'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

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R. 'Robin Hill Elsa'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Robin Hill Erik'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Robin Hill Frosty'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Robin Hill Gillie'

Evergreen Azalea Hybrid

R. 'Oakland X (unknown Indian azalea hybrid x Carol)' x R. 'Getsutoku'

Hybridized By: Gartrell, R. D.

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R. 'Robin Hill Palmyra'

Evergreen Azalea Hybrid

? x ?

R. 'Robin Hill Rosanne'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Robin Hill Wendy'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Robin Hood Group'

Rhododendron Cultivar group

R. calophytum var calophytum x R. sutchuenense

Hybridized By: Williams, John Charles

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R. 'Robinette'

Rhododendron Hybrid

R. forrestii Repens Group x R. williamsianum

Hybridized By: Aasland Nursery

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R. 'Robinhood'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. robinsonii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Rochelle'

Rhododendron Hybrid

? x ?

Hybridized By: Nearing, G.G.

R. 'Rock Solid'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Rocket'

Rhododendron Hybrid

R. catawbiense x ?

Hybridized By: Shammarello, A.M

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R. 'Rocket'

Rhododendron Hybrid

R. meddianum var meddianum x R. strigillosum

Hybridized By: Stevenson, J.B.

R. 'Rockhill Ivory Ruffles'

Rhododendron Hybrid

R. 'Yellow Rolls Royce' x R. 'Skipper'

R. 'Rocky Point'

Rhododendron Hybrid

R. 'Glenna' x R. 'Claire'

Hybridized By: Barlup, Jim

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R. 'Rocky River Red'

Deciduous Azalea Hybrid

R. cumberlandense x R. arborescens

Hybridized By: Schild, J.E.

R. 'Rocky Road'

Rhododendron Hybrid

? x ?

R. 'Rocky White'

Rhododendron Hybrid

R. catawbiense 'Catalgla' x R. fortunei ssp fortunei

Hybridized By: Herbert, C.

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R. 'Rocky's Mom'

Vireya Hybrid

(R. Felinda x aurigeranum x Doctor Hermann Sleumer) x R. javanicum ssp javanicum

R. 'Rococo'

Rhododendron Hybrid

? x ?

Hybridized By: Gable, J.B.

R. 'Rod'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Roddy'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gartrell, R. D.

R. 'Rodeo'

Rhododendron Hybrid

? x ?

Hybridized By: Koster M. & Sons

R. 'Rodrigo'

Rhododendron Hybrid

R. 'Scintillation' x R. 'Karin'

Hybridized By: Hachmann, Hans

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R. 'Roehr's Peggy Ann'

Evergreen Azalea Hybrid

? x R. kaempferi

Hybridized By: Baumann, J.

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R. 'Rogue'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Rogue Red'

Vireya Hybrid

R. saxifragoides x R. womersleyi

R. 'Rohan Aidan'

Rhododendron Hybrid

R. formosum var formosum x R. 'Anne Teese'

Hybridized By: O'Shannassy, J.

R. 'Roi de Hollande'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Vervaene, D.

R. 'Roi Léopold'

Evergreen Azalea Hybrid

? x ?

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R. 'Rokeby'

Rhododendron Hybrid

? x ?

Hybridized By: Noble, C.

R. 'Roland'

Rhododendron Hybrid

R. 'Nova Zembla' x R. 'Purple Splendour'

Hybridized By: Hachmann, Hans

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R. 'Roly Barnsley'

Rhododendron Hybrid

? x ?

Hybridized By: Behring, R.

R. 'Rolymadd Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Magor, E.J.P.

R. 'Roma Sun'

Rhododendron Hybrid

? x ?

Hybridized By: Bovee Robert M.

R. 'Romain de Smet'

Rhododendron Hybrid

? x ?

Hybridized By: Smet, L. de

R. 'Romala'

Rhododendron Hybrid

? x ?

Hybridized By: Fox, R.B.

R. 'Roman Pottery'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum x R. griersonianum

Hybridized By: Crosfield, J. J.

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R. 'Romance'

Evergreen Azalea Hybrid

? x ?