Index

R. 'Cunningham's Album Compactum'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Cunningham's Blush'

Rhododendron Hybrid

? X ?

Hybridized By: Cunningham, 1850

R. 'Cunningham's Sulphur'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Cunningham's White'

Rhododendron Hybrid

R. caucasicum X R. ponticum

Hybridized By: Cunningham, 1830

R. 'Cunningham's White x Sappho'

Rhododendron Hybrid

R. 'Cunningham's White' X R. 'Sappho'

Hybridized By: No hybridiser registered

R. 'Cunningham's White x Sappho X yakushimanum'

Rhododendron Hybrid

R. 'Cunningham's White x Sappho' X R. degronianum ssp yakushimanum

Hybridized By: No hybridiser registered

R. 'Cup Day'

Rhododendron Hybrid

R. 'Fusilier Group' X R. 'Albatross'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1964

R. 'Cupcake'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Medusa Group'

Hybridized By: Thompson’s Nursery. Waldport, Oregon, USA, 1971

R. 'Cupreum Pulchellum'

Azalea Hybrid

? X ?

Hybridized By: Boskoop | Research Center fo Arboreus Crops | Netherlands, 1938

R. 'Curlew'

Rhododendron Hybrid

R. ludlowii X R. fletcherianum

Hybridized By: Cox, Peter A.. Glendoick, Scotland, 1970

R. curviflorum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. cuspidellum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Cutalosa'

Rhododendron Hybrid

? X ?

Hybridized By: Swarthmore College, 1948

R. 'Cutie'

Rhododendron Hybrid

R. calostrotum ssp calostrotum X ?

Hybridized By: Greig, E.J.. Royston Nurseries, Vancouver Island, BC, Canada, 1962

R. 'Cutie Pie'

Rhododendron Hybrid

? X ?

Hybridized By: Whitman, M.J.. Wall, NJ, USA

R. cyanocarpum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

R. 'Cybelle Barbour'

Vireya Hybrid

X R. jasminiflorum ssp jasminiflorum

Hybridized By: Unknown

R. 'Cyclamen'

Rhododendron Hybrid

? X ?

Hybridized By: Horlick, Sir James. Isle of Gigha, Scotland

R. 'Cyclops Group'

Rhododendron Cultivar group

? X ?

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

R. 'Cygnet'

Azalea Hybrid

? X ?

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

R. 'Cymbeline'

Rhododendron Hybrid

? X ?

Hybridized By: Hyde, W.G.T., 1960

R. 'Cymodicée'

Azalea Hybrid

? X ?

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

R. 'Cynosure'

Rhododendron Hybrid

R. 'Essex Scarlet' X R. fortunei ssp fortunei

Hybridized By: Shapiro, B. & M., 1959

R. 'Cynthia'

Rhododendron Hybrid

R. catawbiense X R. griffithianum

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1856

R. 'Cynthia Ann'

Azalea Hybrid

? X ?

Hybridized By: Girard, P.E. | Geneva, Ohio | USA

R. 'Cyoten'

Azalea Hybrid

? X ?

Hybridized By: Kelmscott Azalea Gardens, 1984

R. 'Cyprian'

Vireya Hybrid

R. zoelleri X

Hybridized By: Unknown

R. 'Cyprus'

Rhododendron Hybrid

R. 'Mrs Furnivall' X R. catawbiense

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1953

R. 'Cyreii'

Rhododendron Hybrid

? X ?

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

R. 'Cyrene Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1921

R. 'Cyril'

Vireya Hybrid

R. leucogigas X

Hybridized By: Unknown

R. cyrtophyllum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Cythera'

Azalea Hybrid

R. 'Malvaticum' X R. 'Yozakura'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1958

R. 'Czar Alexander III'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1884

R. 'Czarina'

Vireya Hybrid

X R. javanicum ssp teysmannii

Hybridized By: Unknown

R. 'Cérčs'

Azalea Hybrid

? X ?

Hybridized By: Van der Cruyssen, E. | Gentbrugge | Belgium, 1868

R. 'Cézanne'

Azalea Hybrid

? X ?

Hybridized By: Rothschild, Edmund Leopold de | Southampton | UK, 1980