Index

R. 'C. Esveld'

Azalea Hybrid

? X ?

Hybridized By: Kersbergen, Gebr.

R. 'C. F. Wood'

Rhododendron Hybrid

R. griersonianum X R. fortunei ssp discolor

Hybridized By: Preston, Mrs., 1947

R. 'C.B van Nes'

Rhododendron Hybrid

R. 'Queen Wilhelmina' X R. 'Stanley Davies'

Hybridized By: van Nes C. B . & Sons. Boskoop, Netherlands, 1938

R. 'C.B van Nes x Koster's Brilliant Red'

Azalea Hybrid

R. 'C.B. van Nes' X R. 'Koster's Brilliant Red'

Hybridized By: No hybridiser registered

R. 'C.B. van Nes'

Azalea Hybrid

? X ?

Hybridized By: Van Nes, C.B., 1938

R. 'C.I.S.'

Rhododendron Hybrid

R. 'Loder's White' X R. 'Fabia'

Hybridized By: Henny, John. Brooks, Oregon, USA, 1958

R. 'C.I.S. x Crest'

Rhododendron Hybrid

R. 'C.I.S.' X R. 'Crest'

Hybridized By: No hybridiser registered

R. 'C.I.S. x Jingle Bells'

Rhododendron Hybrid

R. 'C.I.S.' X R. 'Jingle Bells'

Hybridized By: No hybridiser registered

R. 'C.I.S. x rex'

Rhododendron Hybrid

R. 'C.I.S.' X R. rex ssp rex

Hybridized By: No hybridiser registered

R. 'C.I.S. x rex X Hansel'

Rhododendron Hybrid

R. 'C.I.S. x rex' X R. 'Hansel'

Hybridized By: No hybridiser registered

R. 'C.O.D.'

Rhododendron Hybrid

? X ?

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1943

R. 'C.P. Raffill Group'

Rhododendron Cultivar group

R. 'Britannia' X R. griersonianum

Hybridized By: Kew. Royal Botanical Gardens, Surrey, England, 1943

R. 'C.P. Raffill x King of Shrubs'

Rhododendron Hybrid

R. 'C.P. Raffill Group' X R. 'King of Shrubs'

Hybridized By: Lem Halfdan. Seattle, Washington, USA

R. 'C.S. Sargent'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1888

R. 'Cabaret'

Rhododendron Hybrid

? X ?

Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1970

R. 'Cable Car'

Rhododendron Hybrid

R. 'Tally Ho Group' X R. fortunei ssp fortunei

Hybridized By: Golden, H., 1962

R. 'Caboodles'

Rhododendron Hybrid

? X ?

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1995

R. 'Cabrera'

Rhododendron Hybrid

? X ?

Hybridized By: Methven, T. & Son. Edinburgh, Scotland, 1868

R. 'Cachet'

Azalea Hybrid

? X ?

Hybridized By: Motzkau, H.W., 1987

R. 'Cade's Cove'

Rhododendron Hybrid

R. 'Golden Anniversary' X R. 'Lionel's Triumph x Loderi King George X macabeanum'

Hybridized By: Barlup, Jim. Bellevue, USA, 1981

R. 'Cadenza'

Azalea Hybrid

R. mucronatum var mucronatum X R. 'Shinnyo-no-tsuki'

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

R. 'Cadis'

Rhododendron Hybrid

R. 'Caroline' X R. fortunei ssp discolor

Hybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1949

R. 'Cadmium Red'

Azalea Hybrid

R. yedoense var poukhanense X R. kaempferi

Hybridized By: Stanton, E.N., 1987

R. 'Caecilie'

Azalea Hybrid

? X ?

Hybridized By: Schultz, C. | Hanau | Germany, 1863

R. 'Caerhays'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1958

R. 'Caerhays Crossbill'

Rhododendron Hybrid

? X ?

Hybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1920

R. 'Caerhays John'

Rhododendron Hybrid

R. cinnabarinum ssp xanthocodon X R. cinnabarinum ssp cinnabarinum

Hybridized By: Williams, C. & Michael, C., 1956

R. 'Caerhays Lavender'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1930

R. 'Caerhays Lawrence'

Rhododendron Hybrid

R. cinnabarinum ssp xanthocodon X R. cinnabarinum ssp cinnabarinum

Hybridized By: Williams, C. & Michael, C., 1956

R. 'Caerhays Philip'

Rhododendron Hybrid

R. cinnabarinum ssp xanthocodon Concatenans Group X R. cinnabarinum ssp cinnabarinum Blandfordiiflorum

Hybridized By: Williams, C. & Michael, C., 1966

R. 'Caernarvon'

Rhododendron Hybrid

R. fortunei ssp fortunei X ?

Hybridized By: Consolini, A.. Heritage Plantation, 1976

R. 'Caerulescens'

Rhododendron Hybrid

R. catawbiense X ?

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

R. 'Caesar'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1907

R. caesium

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Trichoclada

R. caespitosum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Cagle Nocturne'

Azalea Hybrid

R. arborescens X R. cumberlandense

Hybridized By: Schild, J.E. | Hixson, Tennessee | USA, 1986

R. 'Cailen Thomas'

Vireya Hybrid

R. 'Doctor Hermann Sleumer' X R. 'Zoe Elloise'

Hybridized By: Clancy, B., 1990

R. 'Cain'

Azalea Hybrid

? X ?

Hybridized By: Spartanburg Nursery, 1987

R. 'Cair Paravel'

Vireya Hybrid

R. 'Triumphans x javanicum' X R. leucogigas

Hybridized By: Sullivan, P., 1972

R. 'Cairo'

Rhododendron Hybrid

R. 'Catalgla x fortunei' X R. 'Eidam x williamsianum'

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1958

R. 'Caitlin'

Rhododendron Hybrid

R. 'Humming Bird Group' X ?

Hybridized By: Marcellus, J.A, 1956

R. 'Caitlin Marie'

Azalea Hybrid

R. 'Elsie Lee' X R. 'Satellite'

Hybridized By: Klimavicz, J.F., 1991

R. 'Cajun Queen'

Azalea Hybrid

? X ?

Hybridized By: Nuccio's Nurseries | Altadena, California | USA, 1987

R. 'Cakes and Ale'

Vireya Hybrid

R. 'laetum x Golden Gate' X R. 'zoelleri x leucogigas'

Hybridized By: Schick, P., 1987

R. 'Caland'

Rhododendron Hybrid

R. sinogrande X R. calophytum var calophytum

Hybridized By: Betteridge, D., 1975

R. 'Calantha'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Calapooya'

Azalea Hybrid

R. 'Hugh Wormald' X R. 'Marion Merriman'

Hybridized By: Slonecker, H.J. | Milwaukie, Oregon | USA, 1963

R. 'Calavar'

Vireya Hybrid

R. konori var konori X R. zoelleri

Hybridized By: Lelliott, T.. Boronia, Victoria, Australia, 1971

R. 'Calchas'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1868

R. 'Calcutta'

Rhododendron Hybrid

R. 'dichroanthum ssp scyphocalyx x kyawii' X R. catawbiense 'Catalgla'

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1972

R. 'Calcutta x Tahiti'

Rhododendron Hybrid

R. 'Calcutta' X R. 'Tahiti'

Hybridized By: No hybridiser registered