Index

R. 'Croceum Superbum'

Azalea Hybrid

? X ?

Hybridized By: Moser & Son, 1909

R. 'Croceum Tricolor'

Azalea Hybrid

? X ?

Hybridized By: Jacob-Makoy, L. | Liege/Luik | Belgium, 1851

R. 'Crooksbury Gold'

Rhododendron Hybrid

? X ?

Hybridized By: McQuire, J.F.. Farnham, Surrey, England

R. 'Crossbill Group'

Rhododendron Cultivar group

R. spinuliferum X R. lutescens

Hybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1933

R. 'Crossbow'

Rhododendron Hybrid

R. 'Accomac' X R. 'Besse Howells'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1979

R. 'Crossroads'

Rhododendron Hybrid

R. kyawii X R. strigillosum

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1968

R. 'Crosswater'

Rhododendron Hybrid

? X ?

Hybridized By: Millais Nurseries

R. 'Crosswater Belle'

Rhododendron Hybrid

R. 'Yunncinn Group' X R. cinnabarinum ssp xanthocodon

Hybridized By: Millais, E.G., 1980

R. 'Crosswater Red'

Azalea Hybrid

? X ?

Hybridized By: Millais Nurseries, 1996

R. 'Crown Prince'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1896

R. 'Crown Prince'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1870

R. 'Crown Princess of Germany'

Vireya Hybrid

R. brookeanum ssp brookeanum var gracile X R. 'Princess Royal'

Hybridized By: Unknown

R. 'Crown Supreme'

Azalea Hybrid

? X ?

Hybridized By: Rothschild, Edmund Leopold de | Southampton | UK, 1970

R. 'Cruentum Lucidum'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1851

R. 'Crusader'

Azalea Hybrid

? X ?

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

R. cruttwellii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Crystal'

Azalea Hybrid

? X ?

Hybridized By: Guttormsen, W.L. | Greenwood Gardens, Canby, Oregon | USA

R. 'Crystal Clear'

Rhododendron Hybrid

R. 'Vivacious x Vinerouge' X R. 'Vivacious x Vinerouge'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1990

R. 'Crystal Glo'

Rhododendron Hybrid

R. 'Midsummer' X R. 'Delp's Red Max'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1977

R. 'Crystal Yellow'

Rhododendron Hybrid

R. 'Keystone' X R. 'Cecil'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1999

R. 'Crystalaire'

Rhododendron Hybrid

? X ?

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

R. 'Crystalis'

Rhododendron Hybrid

R. 'Weldy' X R. 'Fiery Orange'

Hybridized By: Ring, T.L.. Bellaire, Ohio, USA, 1990

R. 'Crystallinum'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium

R. 'Csárdás'

Azalea Hybrid

R. 'Benedict' X ?

Hybridized By: Hachmann, Hans | Barmstedt in Holstein | Germany, 1986

R. 'Cuarto'

Rhododendron Hybrid

? X ?

Hybridized By: Goheen. Dr. David. Camas, Washington, USA

R. cubittii

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. 'Cuckoo'

Azalea Hybrid

R. rubropilosum X ?

Hybridized By: Ingram, C. | Benenden, Kent | England, 1945

R. 'Cuddles'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. cuffeanum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. culminicola var angiense

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. culminicola var culminicola

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. culminicolum var nubicola

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Cum Laude'

Rhododendron Hybrid

? X ?

Hybridized By: Shapiro, B. & M.

R. 'Cumberland Cheer'

Azalea Hybrid

R. arborescens X R. cumberlandense

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

R. 'Cumberland Gold'

Azalea Hybrid

R. cumberlandense X R. arborescens

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

R. cumberlandense

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Balls of Fire'

Azalea Species Selection

Selected By: Carlson's Gardens , (Bob & Janice Carlson), South Salem, New York , USA, 1985

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Camps Red'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Firecracker'

Azalea Species Selection

Selected By: No hybridiser registered

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Little's Orange Pink'

Azalea Species Selection

Selected By: Little, P.L. , Piping Tree Gardens, Beaverdam, Virgina , USA, 1994

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Scarlet Salute'

Azalea Species Selection

Selected By: Leach, Dr. David G. , North Madison, Ohio , USA, 1962

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. cumberlandense 'Sunlight'

Azalea Species Selection

Selected By: Hill, J.W. Mrs., 1968

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. 'cumberlandense x occidentale'

Azalea Hybrid

R. cumberlandense X R. occidentale

Hybridized By: No hybridiser registered

R. 'cumberlandense x prunifolium'

Azalea Hybrid

R. cumberlandense X R. prunifolium

Hybridized By: No hybridiser registered

R. 'cumberlandense x viscosum'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Cumulatum'

Azalea Hybrid

? X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1814

R. 'Cumulus'

Rhododendron Hybrid

R. 'Weldy' X R. 'Serendipity'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1979

R. cuneatum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

R. cuneifolium var cuneifolium

Species

Subgenus: Rhododendron
Section: Discovireya

R. cuneifolium var microcarpum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Cunningham's Album Compactum'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown