Index

R. 'A Fine Romance'

Azalea Hybrid

R. cumberlandense X R. arborescens

Hybridized By: Carlson's Gardens | (Bob & Janice Carlson), South Salem, New York | USA, 1992

R. 'A La Mode'

Rhododendron Hybrid

R. 'Vinecrest' X R. 'Kettledrum'

Hybridized By: Smith, A.W.. Niagara Falls, Ontario, Canada, 1995

R. 'A. Abels'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1939

R. 'A. Borsig'

Azalea Hybrid

? X ?

Hybridized By: Gebr. Mardner, 1865

R. 'A. Gilbert'

Rhododendron Hybrid

R. campylocarpum ssp campylocarpum X R. fortunei ssp discolor

Hybridized By: Lowinsky, A.M., 1925

R. 'A. J. Blom'

Azalea Hybrid

? X ?

Hybridized By: Kersbergen, Gebr., 1947

R. 'A. J. Downing'

Rhododendron Hybrid

R. campanulatum ssp campanulatum X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit). Gentbrugge, Belgium, 1861

R. 'A. J. Richers'

Azalea Hybrid

? X ?

Hybridized By: Schulz, O. (head-gardener, Royal Porcelain Factory) | Berlin | Germany, 1878

R. 'A.B. Mitford'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1911

R. 'A.C. Kendrick'

Rhododendron Hybrid

? X ?

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1929

R. 'A.G. Rogers'

Rhododendron Hybrid

? X ?

Hybridized By: Rogers, W.H. & Son, 1901

R. 'A.G. Soames'

Rhododendron Hybrid

? X ?

Hybridized By: van Nes, P., 1922

R. 'Aalsmeer'

Azalea Hybrid

? X ?

Hybridized By: Steyaert, A., 1934

R. 'Aamurusko'

Azalea Hybrid

? X ?

Hybridized By: Mustila Arboretum

R. 'AAP-1'

Azalea Hybrid

? X ?

Hybridized By: Aromi, E.J | Mobile, Alabama | USA

R. 'Aaron Dean'

Rhododendron Hybrid

R. 'Purple Splendour' X R. 'Dianta'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1983

R. 'Aaron Stewart Jordan'

Azalea Hybrid

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

Hybridized By: Jordan, E.W., 1993

R. 'Aartje'

Azalea Hybrid

? X ?

Hybridized By: Felix & Dijkhuis | Boskoop | Netherlands, 1958

R. 'Aase'

Azalea Hybrid

R. 'Frits Sander' X R. 'Ernst Thiers'

Hybridized By: Wille, C.J. & Co, 1933

R. 'Abalone Group'

Rhododendron Cultivar group

R. campylocarpum ssp campylocarpum X R. callimorphum var callimorphum

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

R. 'ABBA'

Rhododendron Hybrid

? X ?

Hybridized By: Stöckman, E.A.. Baumschule, Bad-Zwischenahn-Rostrup, Germany

R. 'Abbey Grange'

Rhododendron Hybrid

R. 'Catalode' X R. 'Francesca'

Hybridized By: Gustafson, R.H.. West Windsor, New Jersey, USA, 1984

R. 'Abbeyi'

Rhododendron Hybrid

? X ?

Hybridized By: Abbey G.. Eltham, London, gardener of Dr. Stocker, 1900

R. 'Abbot Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii X R. arboreum ssp delavayi

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

R. 'Abbot's Orange Glow'

Azalea Hybrid

R. prinophyllum X ?

Hybridized By: Abbot, F.L. | Bellows Fals, Vermont | USA, 1985

R. 'Abbot's Rose Ruffles'

Azalea Hybrid

R. prinophyllum X ?

Hybridized By: Abbot, F.L. | Bellows Fals, Vermont | USA, 1985

R. 'Abbott'

Azalea Hybrid

R. indicum X R. 'Hatsu-shimo'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1947

R. 'Abby Boulter'

Rhododendron Hybrid

R. 'Doctor Stocker' X ?

Hybridized By: Boulter, V.J., 1975

R. 'Abby Kate'

Rhododendron Hybrid

R. 'Cup Day' X R. 'Samantha Sawers'

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia, 1995

R. 'Abby Lauren'

Vireya Hybrid

R. 'Teddy's Best' X R. 'Pastenello'

Hybridized By: Snell, G.L.S.. Vireya Venue, Maleny, Queensland, Australia, 2001

R. 'Abd-el-Kader'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1867

R. 'Abd-el-Kader'

Azalea Hybrid

? X ?

Hybridized By: Liebig, L.L. | Dresden | Germany, 1854

R. 'Abe Arnott'

Rhododendron Hybrid

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

Hybridized By: Weber, Edwin O.. Seattle, Washington, USA, 1974

R. 'Abe Arnott x Calsap'

Rhododendron Hybrid

R. 'Abe Arnott' X R. 'Calsap'

Hybridized By: No hybridiser registered

R. 'Abegail'

Rhododendron Hybrid

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

Hybridized By: Phetteplace, Dr. Carl H. Leaburg, Oregon, USA, 1979

R. 'Abeille'

Rhododendron Hybrid

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

Hybridized By: Brueckner, J.B.. Mississauga, Ontario, Canada, 1981

R. 'Abel'

Rhododendron Hybrid

? X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918

R. 'Abel Carričre'

Azalea Hybrid

? X ?

Hybridized By: Croux, G., 1902

R. 'Abelianum'

Rhododendron Hybrid

? X ?

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

R. 'Abelianum Compactum'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1867

R. 'Abendglut'

Rhododendron Hybrid

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

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1967

R. 'Abendleuchten'

Rhododendron Hybrid

R. 'Fabia Group' X R. smirnowii

Hybridized By: Müller, Heinz, 1990

R. 'Abendrot'

Rhododendron Hybrid

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

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1965

R. 'Abendsonne'

Rhododendron Hybrid

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

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1952

R. aberconwayi

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. aberconwayi 'His Lordship'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners , Windsor, Berkshire , England, 1945

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. aberconwayi 'Westhaven'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. 'Aberdeenii'

Azalea Hybrid

? X ?

Hybridized By: Knight & Perry | (J. Knight & T. A. Perry), Exotic Nursery, Chelsea, London | England, 1850

R. 'Abessa Group'

Rhododendron Cultivar group

R. 'Laura Aberconway' X R. 'Elizabeth Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1940

R. abietifolium

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Abigail'

Rhododendron Hybrid

R. 'Goldsworth Orange' X R. 'Mrs P.D. Williams'

Hybridized By: Street, F.J.. Heathermead Nursery, Woking, Surrey, England, 1987