Rhododendron Index

R. 'Croceum Superbum'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Moser & Son

R. 'Croceum Tricolor'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Jacob-Makoy, L.

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R. 'Crooksbury Gold'

Rhododendron Hybrid

? x ?

Hybridized By: McQuire, J.F.

R. 'Crossbill Group'

Rhododendron Cultivar group

R. spinuliferum x R. lutescens

Hybridized By: Williams, John Charles

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R. 'Crossbow'

Rhododendron Hybrid

R. 'Accomac' x R. 'Besse Howells'

Hybridized By: Delp Weldon E.

R. 'Crossroads'

Rhododendron Hybrid

R. kyawii x R. strigillosum

Hybridized By: Larson, H.L.

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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.

R. 'Crosswater Red'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Millais Nurseries

R. 'Crown Prince'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

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R. 'Crown Prince'

Rhododendron Hybrid

? x ?

Hybridized By: Standish & Noble

R. 'Crown Princess of Germany'

Vireya Hybrid

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

R. 'Crown Supreme'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Rothschild, Edmund Leopold de

R. 'Cruentum Lucidum'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Verschaffelt, A. (Alexander)

R. 'Crusader'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. cruttwellii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. 'Crystal'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Guttormsen, W.L.

R. 'Crystal Clear'

Rhododendron Hybrid

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

Hybridized By: Delp Weldon E.

R. 'Crystal Glo'

Rhododendron Hybrid

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

Hybridized By: Delp Weldon E.

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R. 'Crystal Yellow'

Rhododendron Hybrid

R. 'Keystone' x R. 'Cecil'

Hybridized By: Delp Weldon E.

R. 'Crystalaire'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Crystalis'

Rhododendron Hybrid

R. 'Weldy' x R. 'Fiery Orange'

Hybridized By: Ring, T.L.

R. 'Crystallinum'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Verschaffelt, A. (Alexander)

R. 'Csárdás'

Deciduous Azalea Hybrid

R. 'Benedict' x ?

Hybridized By: Hachmann, Hans

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R. 'Cuarto'

Rhododendron Hybrid

? x ?

Hybridized By: Goheen. Dr. David

R. cubittii

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. 'Cuckoo'

Evergreen Azalea Hybrid

R. rubropilosum x ?

Hybridized By: Ingram, C.

R. 'Cuddles'

Rhododendron Hybrid

? x ?

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

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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'

Deciduous Azalea Hybrid

R. arborescens x R. cumberlandense

Hybridized By: Schild, J.E.

R. 'Cumberland Gold'

Deciduous Azalea Hybrid

R. cumberlandense x R. arborescens

Hybridized By: Schild, J.E.

R. cumberlandense

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

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R. cumberlandense 'Balls of Fire'

Deciduous Azalea Species Selection

Selected By: Carlson's Gardens

R. cumberlandense 'Camps Red'

Rhododendron Species Selection

R. cumberlandense 'Firecracker'

Deciduous Azalea Species Selection

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R. cumberlandense 'Little's Orange Pink'

Deciduous Azalea Species Selection

Selected By: Little, P.L.

R. cumberlandense 'Scarlet Salute'

Deciduous Azalea Species Selection

Selected By: Leach, Dr. David G.

R. cumberlandense 'Sunlight'

Deciduous Azalea Species Selection

Selected By: Hill, J.W. Mrs.

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R. 'cumberlandense x occidentale'

Deciduous Azalea Hybrid

R. cumberlandense x R. occidentale

R. 'cumberlandense x prunifolium'

Deciduous Azalea Hybrid

R. cumberlandense x R. prunifolium

R. 'cumberlandense x viscosum'

Deciduous Azalea Hybrid

? x ?

R. 'Cumulatum'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Loddiges, C. & Sons

R. 'Cumulus'

Rhododendron Hybrid

R. 'Weldy' x R. 'Serendipity'

Hybridized By: Delp Weldon E.

R. cuneatum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

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R. cuneifolium var cuneifolium

Species

Subgenus: Rhododendron
Section: Discovireya

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R. cuneifolium var microcarpum

Species

Subgenus: Rhododendron
Section: Discovireya