Rhododendron Index

R. 'Adolphe Thiers'

Evergreen Azalea Hybrid

? x ?

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

R. 'Adolphi Flore Major'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Vervaene, D.

R. 'Adolphi Flore Pleno'

Evergreen Azalea Hybrid

? x ?

Hybridized By: van Geert, A.

R. 'Adolphi Masquilier'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Veitch & Son, J.

R. 'Adolphine'

Deciduous Azalea Hybrid

? x ?

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

R. 'Adonia'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Stahnke, O.

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R. 'Adonis'

Rhododendron Hybrid

? x ?

Hybridized By: Standish & Noble

R. 'Adonis'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Henderson & Co

R. 'Adonis'

Evergreen Azalea Hybrid

R. 'Truus' x R. 'Azuma kagami'

Hybridized By: Felix & Dijkhuis

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R. 'Adonis Group'

Rhododendron Cultivar group

R. 'Vanessa Group' x R. 'Sunrise Group'

Hybridized By: Aberconway, Lord

R. 'Adorabile'

Evergreen Azalea Hybrid

? x ?

Hybridized By: de Cock, J. & Soeur

R. 'Adorable'

Evergreen Azalea Hybrid

R. 'Mucronatum Roseum' x R. indicum

Hybridized By: Morrison, B.Y.

R. 'Adorée'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Jamin & Durand

R. 'Adota Group'

Rhododendron Cultivar group

R. 'Adonis Group' x R. 'Coreta Group'

Hybridized By: Aberconway, Lord

R. 'Adrastia Group'

Rhododendron Cultivar group

R. williamsianum x R. neriiflorum ssp neriiflorum

Hybridized By: Aberconway, Lord

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R. 'Adrean Group'

Rhododendron Cultivar group

R. 'Adrastia Group' x R. beanianum

Hybridized By: Aberconway, Lord

R. 'Adriaan Brouwer'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Kersbergen, Gebr.

R. 'Adriaan Koster'

Rhododendron Hybrid

? x R. 'Mrs Lindsay Smith'

Hybridized By: Koster M. & Sons

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R. 'Adriaan Koster'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Koster M. & Sons

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R. 'Adriaan Koster x williamsianum'

Rhododendron Hybrid

R. 'Adriaan Koster' x R. williamsianum

R. 'Adrian'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Adrian Waterer'

Rhododendron Hybrid

? x ?

Hybridized By: Vuylsteke, C.

R. 'Adriatic'

Evergreen Azalea Hybrid

R. 'Dancing Butterfly' x R. 'Girard's Hot Shot'

Hybridized By: Vines,R.C.

R. 'Adrie Schipper'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Mrs Horace Fogg'

Hybridized By: Larson, H.L.

R. 'Adrien Franchet'

Rhododendron Hybrid

R. 'Kernéostic x Jalisco Elect' x R. 'Fred Wynniat x Ring of Fire'

Hybridized By: Colombel, Marc

R. 'Adrien Le Fur'

Rhododendron Hybrid

R. Halopeanum x R. 'Coronation Day'

Hybridized By: Saint-Jalm, J.F.

R. 'Adrien Steyaert'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Steyaert, A.

R. 'Adrienne Elizabeth'

Rhododendron Hybrid

R. 'Mrs Horace Fogg' x R. 'Loderi Group'

Hybridized By: Smith, B.M.

R. 'Advance'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Frost

R. 'Advance'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Koster M. & Sons

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R. 'Advance'

Evergreen Azalea Hybrid

R. 'Lilacinum x Willy' x R. 'Mrs Carmichael x Willy'

Hybridized By: Morrison, B.Y.

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R. 'Advancer'

Evergreen Azalea Hybrid

? x ?

R. 'Advent'

Rhododendron Hybrid

R. 'Grierosplendour Group' x R. 'Millard Kepner'

Hybridized By: Byrkit, M.E.

R. 'Adventglöckchen'

Evergreen Azalea Hybrid

R. 'Paul Schäme' x R. 'Frits Sander'

Hybridized By: Ambrosius, R.

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R. 'Advie Group'

Rhododendron Cultivar group

R. 'Cornubia Group' x R. diphrocalyx

Hybridized By: Rothschild, L. de

R. 'Advokaat de Cnyf'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Haerens, J.

R. 'Adyn'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Dosser, D.J.

R. 'Adzuma-no-hana'

Azalea Hybrid

? x ?

Hybridized By: Chugai Nursery Co.

R. 'Adélaide'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Verschaffelt, A. (Alexander)

R. 'Adčle'

Rhododendron Hybrid

? x ?

Hybridized By: Byls, J.

R. 'Adčle'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Hage W.C. & Co.

R. 'Aenas'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

R. 'Aeolus'

Rhododendron Hybrid

R. 'Lady Bessborough Group' x R. souliei

Hybridized By: Rothschild, L. de

R. aequabile

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Aeritinctum'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Gowen, J.R.

R. 'Aeschbacher's Rubin'

Rhododendron Hybrid

R. 'Oratorium' x R. 'Feuerschein'

Hybridized By: Hachmann, Hans

R. 'Aesthetica'

Rhododendron Hybrid

R. smirnowii x R. bureavii

Hybridized By: Lancaster, Ben, F.

R. 'Aestivale Concinnum'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Aetna'

Rhododendron Hybrid

? x ?

Hybridized By: Williams, B. S.

R. 'Affection'

Rhododendron Hybrid

R. ambiguum x R. cinnabarinum ssp cinnabarinum Blandfordiiflorum

Hybridized By: Sunningdale Nursery