Rhododendron Index

R. 'A Fine Romance'

Deciduous Azalea Hybrid

R. cumberlandense x R. arborescens

Hybridized By: Carlson's Gardens

R. 'A La Mode'

Rhododendron Hybrid

R. 'Vinecrest' x R. 'Kettledrum'

Hybridized By: Smith, A.W.

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R. 'A. Abels'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Koster M. & Sons

R. 'A. Borsig'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Gebr. Mardner

R. 'A. Gilbert'

Rhododendron Hybrid

R. campylocarpum ssp campylocarpum x R. fortunei ssp discolor

Hybridized By: Lowinsky, A.M.

R. 'A. J. Blom'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Kersbergen, Gebr.

R. 'A. J. Downing'

Rhododendron Hybrid

R. campanulatum ssp campanulatum x ?

Hybridized By: Van Houtte, L. B. (Louis Benoit)

R. 'A. J. Richers'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Schulz, O. (head-gardener, Royal Porcelain Factory)

R. 'A.B. Mitford'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'A.C. Kendrick'

Rhododendron Hybrid

? x ?

Hybridized By: Koster M. & Sons

R. 'A.G. Rogers'

Rhododendron Hybrid

? x ?

Hybridized By: Rogers, W.H. & Son

R. 'A.G. Soames'

Rhododendron Hybrid

? x ?

Hybridized By: van Nes, P.

R. 'Aalsmeer'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Steyaert, A.

R. 'Aamurusko'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Mustila Arboretum

R. 'AAP-1'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Aromi, E.J

R. 'Aaron Dean'

Rhododendron Hybrid

R. 'Purple Splendour' x R. 'Dianta'

Hybridized By: Stockman, M.

R. 'Aaron Stewart Jordan'

Evergreen Azalea Hybrid

R. 'Rosa Belton x oldhamii' x R. 'Rosa Belton x oldhamii'

Hybridized By: Jordan, E.W.

R. 'Aartje'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Felix & Dijkhuis

R. 'Aase'

Evergreen Azalea Hybrid

R. 'Frits Sander' x R. 'Ernst Thiers'

Hybridized By: Wille, C.J. & Co

R. 'Abalone Group'

Rhododendron Cultivar group

R. campylocarpum ssp campylocarpum x R. callimorphum var callimorphum

Hybridized By: Rothschild, L. de

R. 'ABBA'

Rhododendron Hybrid

? x ?

Hybridized By: Stöckman, E.A.

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R. 'Abbey Grange'

Rhododendron Hybrid

R. 'Catalode' x R. 'Francesca'

Hybridized By: Gustafson, R.H.

R. 'Abbeyi'

Rhododendron Hybrid

? x ?

Hybridized By: Abbey G.

R. 'Abbot Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii x R. arboreum ssp delavayi

Hybridized By: Rothschild, L. de

R. 'Abbot's Orange Glow'

Deciduous Azalea Hybrid

R. prinophyllum x ?

Hybridized By: Abbot, F.L.

R. 'Abbot's Rose Ruffles'

Deciduous Azalea Hybrid

R. prinophyllum x ?

Hybridized By: Abbot, F.L.

R. 'Abbott'

Evergreen Azalea Hybrid

R. indicum x R. 'Hatsu-shimo'

Hybridized By: Morrison, B.Y.

R. 'Abby Boulter'

Rhododendron Hybrid

R. 'Doctor Stocker' x ?

Hybridized By: Boulter, V.J.

R. 'Abby Kate'

Rhododendron Hybrid

R. 'Cup Day' x R. 'Samantha Sawers'

Hybridized By: Dosser, D.J.

R. 'Abby Lauren'

Vireya Hybrid

R. 'Teddy's Best' x R. 'Pastenello'

Hybridized By: Snell, G.L.S.

R. 'Abd-el-Kader'

Rhododendron Hybrid

? x ?

Hybridized By: Veitch & Sons, R.

R. 'Abd-el-Kader'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Liebig, L.L.

R. 'Abe Arnott'

Rhododendron Hybrid

R. 'Marchioness of Lansdowne' x R. 'Lee's Dark Purple'

Hybridized By: Weber, Edwin O.

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R. 'Abe Arnott x Calsap'

Rhododendron Hybrid

R. 'Abe Arnott' x R. 'Calsap'

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R. 'Abegail'

Rhododendron Hybrid

R. 'Loder's White' x R. calophytum var calophytum

Hybridized By: Phetteplace, Dr. Carl H

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R. 'Abeille'

Rhododendron Hybrid

R. 'R. calostrotum ssp keleticum X R. dauricum' x ?

Hybridized By: Brueckner, J.B.

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R. 'Abel'

Rhododendron Hybrid

? x ?

Hybridized By: Seidel, T.J.R.

R. 'Abel Carričre'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Croux, G.

R. 'Abelianum'

Rhododendron Hybrid

? x ?

Hybridized By: Henderson & Co

R. 'Abelianum Compactum'

Rhododendron Hybrid

? x ?

Hybridized By: Veitch & Sons, R.

R. 'Abendglut'

Rhododendron Hybrid

R. 'Essex Scarlet' x R. forrestii Repens Group

Hybridized By: Hobbie, Dietrich G.

R. 'Abendleuchten'

Rhododendron Hybrid

R. 'Fabia Group' x R. smirnowii

Hybridized By: Müller, Heinz

R. 'Abendrot'

Rhododendron Hybrid

R. 'Essex Scarlet' x R. forrestii Repens Group

Hybridized By: Hobbie, Dietrich G.

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R. 'Abendsonne'

Rhododendron Hybrid

R. 'John Walter' x R. dichroanthum ssp scyphocalyx

Hybridized By: Hobbie, Dietrich G.

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R. aberconwayi

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. aberconwayi 'His Lordship'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners

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R. aberconwayi 'Westhaven'

Rhododendron Species Selection

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R. 'Aberdeenii'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Knight & Perry

R. 'Abessa Group'

Rhododendron Cultivar group

R. 'Laura Aberconway' x R. 'Elizabeth Group'

Hybridized By: Aberconway, Lord

R. abietifolium

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya