Index

R. 'Adolphe Thiers'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1870

R. 'Adolphi Flore Major'

Azalea Hybrid

? X ?

Hybridized By: Vervaene, D. | Ghent | Belgium, 1863

R. 'Adolphi Flore Pleno'

Azalea Hybrid

? X ?

Hybridized By: van Geert, A., 1852

R. 'Adolphi Masquilier'

Azalea Hybrid

? X ?

Hybridized By: Veitch & Son, J. | Royal Exotic Nurseries, Chelsea, London | England, 1881

R. 'Adolphine'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1871

R. 'Adonia'

Azalea Hybrid

? X ?

Hybridized By: Stahnke, O. | Sassenburg | Germany, 1983

R. 'Adonis'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1847

R. 'Adonis'

Azalea Hybrid

? X ?

Hybridized By: Henderson & Co | Pineapple Nursery, London | England, 1852

R. 'Adonis'

Azalea Hybrid

R. 'Truus' X R. 'Azuma kagami'

Hybridized By: Felix & Dijkhuis | Boskoop | Netherlands, 1952

R. 'Adonis Group'

Rhododendron Cultivar group

R. 'Vanessa Group' X R. 'Sunrise Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1932

R. 'Adorabile'

Azalea Hybrid

? X ?

Hybridized By: de Cock, J. & Soeur, 1870

R. 'Adorable'

Azalea Hybrid

R. 'Mucronatum Roseum' X R. indicum

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Adorée'

Azalea Hybrid

? X ?

Hybridized By: Jamin & Durand, 1858

R. 'Adota Group'

Rhododendron Cultivar group

R. 'Adonis Group' X R. 'Coreta Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1936

R. 'Adrastia Group'

Rhododendron Cultivar group

R. williamsianum X R. neriiflorum ssp neriiflorum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1946

R. 'Adrean Group'

Rhododendron Cultivar group

R. 'Adrastia Group' X R. beanianum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1946

R. 'Adriaan Brouwer'

Azalea Hybrid

? X ?

Hybridized By: Kersbergen, Gebr., 1931

R. 'Adriaan Koster'

Rhododendron Hybrid

? X R. 'Mrs Lindsay Smith'

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1920

R. 'Adriaan Koster'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1901

R. 'Adriaan Koster x williamsianum'

Rhododendron Hybrid

R. 'Adriaan Koster' X R. williamsianum

Hybridized By: No hybridiser registered

R. 'Adrian'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1875

R. 'Adrian Waterer'

Rhododendron Hybrid

? X ?

Hybridized By: Vuylsteke, C., 1890

R. 'Adriatic'

Azalea Hybrid

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

Hybridized By: Vines,R.C. | Amelia Island, Florida | USA, 1997

R. 'Adrie Schipper'

Rhododendron Hybrid

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

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1968

R. 'Adrien Franchet'

Rhododendron Hybrid

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

Hybridized By: Colombel, Marc. Menez-Rohou, Fouesnant, France, 1997

R. 'Adrien Le Fur'

Rhododendron Hybrid

X R. 'Coronation Day'

Hybridized By: Saint-Jalm, J.F., 1996

R. 'Adrien Steyaert'

Azalea Hybrid

? X ?

Hybridized By: Steyaert, A., 1928

R. 'Adrienne Elizabeth'

Rhododendron Hybrid

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

Hybridized By: Smith, B.M.. Brittenhill Nursery, Kent, WA, USA, 1975

R. 'Advance'

Azalea Hybrid

? X ?

Hybridized By: Frost, 1863

R. 'Advance'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1954

R. 'Advance'

Azalea Hybrid

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

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Advancer'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1864

R. 'Advent'

Rhododendron Hybrid

R. 'Grierosplendour Group' X R. 'Millard Kepner'

Hybridized By: Byrkit, M.E., 1975

R. 'Adventglöckchen'

Azalea Hybrid

R. 'Paul Schäme' X R. 'Frits Sander'

Hybridized By: Ambrosius, R. | Dresden | Germany, 1929

R. 'Advie Group'

Rhododendron Cultivar group

R. 'Cornubia Group' X R. diphrocalyx

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933

R. 'Advokaat de Cnyf'

Azalea Hybrid

? X ?

Hybridized By: Haerens, J., 1928

R. 'Adyn'

Azalea Hybrid

? X ?

Hybridized By: Dosser, D.J. | Lower Wilmot, Tasmania | Australia, 1990

R. 'Adzuma-no-hana'

Azalea Hybrid

? X ?

Hybridized By: Chugai Nursery Co. | Kobe-city, Hyogo | Japan, 1938

R. 'Adélaide'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1840

R. 'Adčle'

Rhododendron Hybrid

? X ?

Hybridized By: Byls, J., 1854

R. 'Adčle'

Azalea Hybrid

? X ?

Hybridized By: Hage W.C. & Co. | Boskoop | Netherlands, 1952

R. 'Aenas'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1865

R. 'Aeolus'

Rhododendron Hybrid

R. 'Lady Bessborough Group' X R. souliei

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK

R. aequabile

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Aeritinctum'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Aeschbacher's Rubin'

Rhododendron Hybrid

R. 'Oratorium' X R. 'Feuerschein'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1979

R. 'Aesthetica'

Rhododendron Hybrid

R. smirnowii X R. bureavii

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1960

R. 'Aestivale Concinnum'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1867

R. 'Aetna'

Rhododendron Hybrid

? X ?

Hybridized By: Williams, B. S., 1872

R. 'Affection'

Rhododendron Hybrid

R. ambiguum X R. cinnabarinum ssp cinnabarinum Blandfordiiflorum

Hybridized By: Sunningdale Nursery, 1942

R. 'Afghan'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1933