R. 'A Fine Romance'Azalea HybridR. cumberlandense X R. arborescensHybridized By: Carlson's Gardens | (Bob & Janice Carlson), South Salem, New York | USA, 1992 |
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R. 'A La Mode'Rhododendron HybridR. 'Vinecrest' X R. 'Kettledrum'Hybridized By: Smith, A.W.. Niagara Falls, Ontario, Canada, 1995 More information and pictures |
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R. 'A. Abels'Azalea Hybrid? X ?Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1939 |
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R. 'A. Borsig'Azalea Hybrid? X ?Hybridized By: Gebr. Mardner, 1865 |
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R. 'A. Gilbert'Rhododendron HybridR. campylocarpum ssp campylocarpum X R. fortunei ssp discolorHybridized By: Lowinsky, A.M., 1925 |
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R. 'A. J. Blom'Azalea Hybrid? X ?Hybridized By: Kersbergen, Gebr., 1947 |
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R. 'A. J. Downing'Rhododendron HybridR. campanulatum ssp campanulatum X ?Hybridized By: Van Houtte, L. B. (Louis Benoit). Gentbrugge, Belgium, 1861 |
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R. 'A. J. Richers'Azalea Hybrid? X ?Hybridized By: Schulz, O. (head-gardener, Royal Porcelain Factory) | Berlin | Germany, 1878 |
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R. 'A.B. Mitford'Rhododendron Hybrid? X ?Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1911 |
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R. 'A.C. Kendrick'Rhododendron Hybrid? X ?Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1929 |
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R. 'A.G. Rogers'Rhododendron Hybrid? X ?Hybridized By: Rogers, W.H. & Son, 1901 |
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R. 'A.G. Soames'Rhododendron Hybrid? X ?Hybridized By: van Nes, P., 1922 |
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R. 'Aalsmeer'Azalea Hybrid? X ?Hybridized By: Steyaert, A., 1934 |
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R. 'Aamurusko'Azalea Hybrid? X ?Hybridized By: Mustila Arboretum |
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R. 'AAP-1'Azalea Hybrid? X ?Hybridized By: Aromi, E.J | Mobile, Alabama | USA |
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R. 'Aaron Dean'Rhododendron HybridR. 'Purple Splendour' X R. 'Dianta'Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1983 |
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R. 'Aaron Stewart Jordan'Azalea HybridR. 'Rosa Belton x oldhamii' X R. 'Rosa Belton x oldhamii'Hybridized By: Jordan, E.W., 1993 |
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R. 'Aartje'Azalea Hybrid? X ?Hybridized By: Felix & Dijkhuis | Boskoop | Netherlands, 1958 |
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R. 'Aase'Azalea HybridR. 'Frits Sander' X R. 'Ernst Thiers'Hybridized By: Wille, C.J. & Co, 1933 |
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R. 'Abalone Group'Rhododendron Cultivar groupR. campylocarpum ssp campylocarpum X R. callimorphum var callimorphumHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933 |
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R. 'ABBA'Rhododendron Hybrid? X ?Hybridized By: Stöckman, E.A.. Baumschule, Bad-Zwischenahn-Rostrup, Germany More information and pictures |
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R. 'Abbey Grange'Rhododendron HybridR. 'Catalode' X R. 'Francesca'Hybridized By: Gustafson, R.H.. West Windsor, New Jersey, USA, 1984 |
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R. 'Abbeyi'Rhododendron Hybrid? X ?Hybridized By: Abbey G.. Eltham, London, gardener of Dr. Stocker, 1900 |
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R. 'Abbot Group'Rhododendron Cultivar groupR. thomsonii ssp thomsonii X R. arboreum ssp delavayiHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933 |
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R. 'Abbot's Orange Glow'Azalea HybridR. prinophyllum X ?Hybridized By: Abbot, F.L. | Bellows Fals, Vermont | USA, 1985 |
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R. 'Abbot's Rose Ruffles'Azalea HybridR. prinophyllum X ?Hybridized By: Abbot, F.L. | Bellows Fals, Vermont | USA, 1985 |
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R. 'Abbott'Azalea HybridR. indicum X R. 'Hatsu-shimo'Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1947 |
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R. 'Abby Boulter'Rhododendron HybridR. 'Doctor Stocker' X ?Hybridized By: Boulter, V.J., 1975 |
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R. 'Abby Kate'Rhododendron HybridR. 'Cup Day' X R. 'Samantha Sawers'Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia, 1995 |
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R. 'Abby Lauren'Vireya HybridR. 'Teddy's Best' X R. 'Pastenello'Hybridized By: Snell, G.L.S.. Vireya Venue, Maleny, Queensland, Australia, 2001 |
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R. 'Abd-el-Kader'Rhododendron Hybrid? X ?Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1867 |
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R. 'Abd-el-Kader'Azalea Hybrid? X ?Hybridized By: Liebig, L.L. | Dresden | Germany, 1854 |
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R. 'Abe Arnott'Rhododendron HybridR. 'Marchioness of Lansdowne' X R. 'Lee's Dark Purple'Hybridized By: Weber, Edwin O.. Seattle, Washington, USA, 1974 More information and pictures |
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R. 'Abe Arnott x Calsap'Rhododendron HybridR. 'Abe Arnott' X R. 'Calsap'Hybridized By: No hybridiser registered More information and pictures |
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R. 'Abegail'Rhododendron HybridR. 'Loder's White' X R. calophytum var calophytumHybridized By: Phetteplace, Dr. Carl H. Leaburg, Oregon, USA, 1979 More information and pictures |
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R. 'Abeille'Rhododendron HybridR. 'R. calostrotum ssp keleticum X R. dauricum' X ?Hybridized By: Brueckner, J.B.. Mississauga, Ontario, Canada, 1981 More information and pictures |
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R. 'Abel'Rhododendron Hybrid? X ?Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918 |
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R. 'Abel Carričre'Azalea Hybrid? X ?Hybridized By: Croux, G., 1902 |
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R. 'Abelianum'Rhododendron Hybrid? X ?Hybridized By: Henderson & Co. Pineapple Nursery, London, England, 1852 |
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R. 'Abelianum Compactum'Rhododendron Hybrid? X ?Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1867 |
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R. 'Abendglut'Rhododendron HybridR. 'Essex Scarlet' X R. forrestii Repens GroupHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1967 |
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R. 'Abendleuchten'Rhododendron HybridR. 'Fabia Group' X R. smirnowiiHybridized By: Müller, Heinz, 1990 |
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R. 'Abendrot'Rhododendron HybridR. 'Essex Scarlet' X R. forrestii Repens GroupHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1965 More information and pictures |
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R. 'Abendsonne'Rhododendron HybridR. 'John Walter' X R. dichroanthum ssp scyphocalyxHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1952 More information and pictures |
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R. aberconwayiSpecies
Subgenus:
Hymenanthes
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R. aberconwayi 'His Lordship'Rhododendron Species SelectionSelected By: Crown Estate Commissioners , Windsor, Berkshire , England, 1945
Subgenus:
Hymenanthes
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R. aberconwayi 'Westhaven'Rhododendron Species SelectionSelected By: Unknown
Subgenus:
Hymenanthes
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R. 'Aberdeenii'Azalea Hybrid? X ?Hybridized By: Knight & Perry | (J. Knight & T. A. Perry), Exotic Nursery, Chelsea, London | England, 1850 |
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R. 'Abessa Group'Rhododendron Cultivar groupR. 'Laura Aberconway' X R. 'Elizabeth Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1940 |
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R. abietifoliumSpecies
Subgenus:
Rhododendron
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R. 'Abigail'Rhododendron HybridR. 'Goldsworth Orange' X R. 'Mrs P.D. Williams'Hybridized By: Street, F.J.. Heathermead Nursery, Woking, Surrey, England, 1987 More information and pictures |