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R. 'East Knoyle'Rhododendron HybridR. griersonianum X R. 'Loderi Group'Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1930 |
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R. 'Azor Group'Rhododendron Cultivar groupR. griersonianum X R. fortunei ssp discolorHybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1927 |
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R. 'Agnes'Rhododendron HybridR. griersonianum X R. 'Norman Gill'Hybridized By: Swaythling, Lord. Bridley Manor, Worplesdon, Surrey, England, 1943 |
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R. 'Aladdin Group'Rhododendron Cultivar groupR. griersonianum X R. auriculatumHybridized By: Crosfield, J. J.. Embley Park, Romsey, Hampshire, UK, 1930 |
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R. 'Azor'Rhododendron HybridR. griersonianum X R. fortunei ssp discolorHybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1927 More information and pictures |
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R. 'Lady Stair Group'Rhododendron Cultivar groupR. griersonianum X R. 'Albatross Group'Hybridized By: Stair, Lord. Lochinch Castle, Stranraer, Scotland, 1939 |
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R. 'Earl of Donoughmore'Rhododendron HybridR. griersonianum X ?Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1952 More information and pictures |
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R. 'Radiance Group'Rhododendron Cultivar groupR. griersonianum X R. 'Vanessa Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1928 |
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R. 'Kitty Cole'Rhododendron HybridR. griersonianum X R. fortunei ssp discolorHybridized By: Lowinsky T.H.. Tittenhurst, Sunninghill, Bershire, UK, 1930 More information and pictures |
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R. 'Dorinthia'Rhododendron HybridR. griersonianum X R. 'Hiraethlyn'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1938 |
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R. 'Matador Group'Rhododendron Cultivar groupR. griersonianum X R. strigillosumHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1931 |
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R. 'Creeping Jenny'Rhododendron HybridR. griersonianum X R. forrestii Repens GroupHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1929 More information and pictures |
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R. 'Ibex Group'Rhododendron Cultivar groupR. griersonianum X R. pocophorum var pocophorumHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1941 |
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R. 'Dencombe'Rhododendron HybridR. griersonianum X R. 'Loderi Group'Hybridized By: Loder, G.H., 1934 |
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R. 'Jacob's Red'Rhododendron HybridR. griersonianum X ?Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1935 |
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R. 'Saltwood'Rhododendron HybridR. griersonianum X R. 'Lady Clementine Mitford'Hybridized By: Hardy, Maj. A.E.. Hythe, Kent, UK, 1965 |
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R. 'Glow'Rhododendron HybridR. griersonianum X R. 'Armistice Day'Hybridized By: Bovee Robert M.. Oswego, Oregon, USA, 1958 |
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R. 'Sunset Lake'Rhododendron HybridR. griersonianum X R. 'arboreum x decorum'Hybridized By: Blumhardt, O. S.. Koromiko Nurseries, Whangarei, New Zealand, 1974 |
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R. 'C. F. Wood'Rhododendron HybridR. griersonianum X R. fortunei ssp discolorHybridized By: Preston, Mrs., 1947 |
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R. 'Ibex'Rhododendron HybridR. griersonianum X R. pocophorum var pocophorumHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1941 More information and pictures |
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R. 'Auriel Group'Rhododendron HybridR. griersonianum X R. 'Polar Bear Group'Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1942 |
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R. 'Mrs Horace Fogg'Rhododendron HybridR. griersonianum X R. 'Loderi Venus'Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1958 |
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R. 'griersonianum x Romany Chal Group'Rhododendron HybridR. griersonianum X R. 'Romany Chal Group'Hybridized By: No hybridiser registered |
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R. 'Anna Rose Whitney'Rhododendron HybridR. griersonianum X R. 'Countess of Derby'Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1954 More information and pictures |
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R. 'Eupheno Group'Rhododendron Cultivar groupR. griersonianum X R. sperabile var sperabileHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1928 |
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R. 'Doctor Ross'Rhododendron HybridR. griersonianum X R. 'Borde Hill'Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1958 |
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R. 'New Plymouth City'Rhododendron HybridR. griersonianum X R. grandeHybridized By: Jury, L.E.. New Plymouth, New Zealand, 1988 |
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R. 'Olympic Quinault'Rhododendron HybridR. griersonianum X ?Hybridized By: Layritz Nursery, 1954 |
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R. 'Laura Aberconway Group'Rhododendron Cultivar groupR. griersonianum X R. 'Barclayi Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1933 |
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R. 'Gwillt-king'Rhododendron HybridR. griersonianum X R. arboreum ssp zeylanicumHybridized By: Haig, C., 1938 More information and pictures |
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R. 'Jean Group'Rhododendron Cultivar groupR. griersonianum X R. decorum ssp decorumHybridized By: Maxwell, Sir John, 1936 |
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R. 'Vulcan's Shadow'Rhododendron HybridR. griersonianum X R. 'Mars'Hybridized By: Haag, C.R. & V. (Velma). Brevard, NC, USA, 1958 |
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R. 'Elisabeth Inglis-Jones'Rhododendron HybridR. griersonianum X R. 'May Day Group'Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland, 1941 |
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R. 'Laura Aberconway'Rhododendron HybridR. griersonianum X R. 'Barclayi Group'Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1933 |
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R. 'Lake Ozette'Rhododendron HybridR. griersonianum X R. 'Loderi Venus'Hybridized By: Clark, B., USA, 1958 |
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R. 'Sunset Queen'Rhododendron HybridR. griersonianum X R. 'arboreum x decorum'Hybridized By: Blumhardt, O. S.. Koromiko Nurseries, Whangarei, New Zealand, 1974 |
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R. 'Lancer Group'Rhododendron Cultivar groupR. griersonianum X R. hookeriHybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1930 |
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R. 'Grierpoint'Rhododendron HybridR. griersonianum X R. ponticumHybridized By: No hybridiser registered, 1995 More information and pictures |
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R. 'Dormouse Group'Rhododendron Cultivar groupR. 'Dawn's Delight' X R. williamsianumHybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1936 More information and pictures |
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R. 'High Sheriff'Rhododendron HybridR. decorum ssp decorum X R. williamsianumHybridized By: Williams, F.J., 1960 More information and pictures |
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R. 'Stadt Essen'Rhododendron HybridR. 'Louis Pasteur' X R. williamsianumHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1948 More information and pictures |
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R. 'Elfenbein'Rhododendron HybridR. 'Adriaan Koster' X R. williamsianumHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1947 More information and pictures |
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R. 'Moonstone Group'Rhododendron Cultivar groupR. campylocarpum ssp campylocarpum X R. williamsianumHybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1933 More information and pictures |
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R. 'August Lamken'Rhododendron HybridR. 'Doctor V.H. Rutgers' X R. williamsianumHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1942 More information and pictures |
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R. 'campylocarpum x williamsianum'Rhododendron HybridR. campylocarpum ssp campylocarpum X R. williamsianumHybridized By: No hybridiser registered |
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R. 'Vater Böhlje'Rhododendron HybridR. catawbiense X R. williamsianumHybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1970 More information and pictures |
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R. 'Loderi White Diamond x williamsianum'Rhododendron HybridR. 'Loderi White Diamond' X R. williamsianumHybridized By: No hybridiser registered |
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R. 'Hachmann's Andrea'Rhododendron HybridR. 'Fantastica' X R. williamsianumHybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1986 |
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R. 'Thomwilliams Group'Rhododendron Cultivar groupR. thomsonii ssp thomsonii X R. williamsianumHybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1921 More information and pictures |
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R. 'Ladrillo'Rhododendron HybridR. 'Moonstone Group' X R. williamsianumHybridized By: Henny, John. Brooks, Oregon, USA, 1963 |
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R. 'Veryan Bay'Rhododendron HybridR. pseudochrysanthum X R. williamsianumHybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1929 |
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