Index

R. 'Creamy Chiffon'

Rhododendron Hybrid

? X ?

Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1972

R. 'Creeping Fire'

Rhododendron Hybrid

? X ?

Hybridized By: Brandt, Lester E.. Tacoma, Washington, USA

R. 'Creeping Jenny'

Rhododendron Hybrid

R. griersonianum X R. forrestii Repens Group

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1929

R. 'Creme Rose'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Creminrose'

Rhododendron Hybrid

R. 'Frühlingszauber' X R. 'Letty Edwards'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1964

R. 'Cremorne Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. 'Creole Belle'

Rhododendron Hybrid

R. 'Vulcan' X R. 'Harvest Moon'

Hybridized By: Thompson, W. & M., 1968

R. 'Crepello'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1957

R. 'Cresca Group'

Rhododendron Cultivar group

? X ?

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

R. 'Crescendo'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1965

R. 'Cressy'

Vireya Hybrid

X R. jasminiflorum var punctatum

Hybridized By: Unknown

R. 'Crest'

Rhododendron Hybrid

R. wardii var wardii X R. 'Lady Bessborough Group'

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1940

R. 'Crest x Ken Janeck'

Rhododendron Hybrid

R. 'Crest' X R. degronianum ssp yakushimanum 'Ken Janeck'

Hybridized By: Unknown

R. 'Crest x King of Shrubs'

Rhododendron Hybrid

R. 'Crest' X R. 'King of Shrubs'

Hybridized By: No hybridiser registered

R. 'Crest x King of Shrubs X Sonata'

Rhododendron Hybrid

R. 'Crest x King of Shrubs' X R. 'Sonata'

Hybridized By: No hybridiser registered

R. 'Crest x lacteum'

Rhododendron Hybrid

? X ?

Hybridized By: Rhodes, R.C.. Gabriola Island, BC, Canada

R. 'Crest x Lionel's Triumph'

Rhododendron Hybrid

R. 'Crest' X R. 'Lionel's Triumph'

Hybridized By: No hybridiser registered

R. 'Crest x macabeanum'

Rhododendron Hybrid

R. 'Crest' X R. macabeanum

Hybridized By: No hybridiser registered

R. 'Crest x Roman Pottery'

Rhododendron Hybrid

R. 'Crest' X R. 'Roman Pottery'

Hybridized By: No hybridiser registered

R. 'Crest X yakushimanum x wardii'

Rhododendron Hybrid

R. 'Crest' X R. 'yakushimanum x wardii'

Hybridized By: No hybridiser registered

R. 'Crest x Yellow Creek'

Rhododendron Hybrid

R. 'Crest' X R. 'Yellow Creek'

Hybridized By: No hybridiser registered

R. cretaceum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Crete'

Rhododendron Hybrid

R. smirnowii X R. degronianum ssp yakushimanum

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1962

R. 'Cretonne'

Rhododendron Hybrid

R. 'Barclayi Group' X R. 'Loderi Group'

Hybridized By: Loder, Sir Giles. Cuckfield, West Sussex, England, 1940

R. 'Crety'

Rhododendron Hybrid

? X ?

Hybridized By: Leroy, L., 1868

R. 'Cricket'

Rhododendron Hybrid

? X ?

Hybridized By: Elliott, James A.. Astoria, Oregon, USA

R. 'Crimson Banner'

Rhododendron Hybrid

? X ?

Hybridized By: Sunningdale Nursery

R. 'Crimson Bells'

Rhododendron Hybrid

? X ?

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA

R. 'Crimson Constellation'

Rhododendron Hybrid

R. 'Aviva Ann' X R. 'Small Wonder'

Hybridized By: Brooks, A.R.. Concord, Massachusetts, USA, 1986

R. 'Crimson Crest'

Azalea Hybrid

R. 'Louise Gable x Ward's Ruby' X R. 'James Gable'

Hybridized By: Guttormsen, W.L. | Greenwood Gardens, Canby, Oregon | USA, 1968

R. 'Crimson Delight'

Rhododendron Hybrid

? X ?

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

R. 'Crimson Glory'

Azalea Hybrid

? X ?

Hybridized By: Bobbink & Atkins | East Rutherford, New Jersey | USA

R. 'Crimson Glow'

Rhododendron Hybrid

? X ?

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

R. 'Crimson King'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Crimson Lightning'

Vireya Hybrid

R. konori var konori X R. javanicum ssp javanicum

Hybridized By: Unknown

R. 'Crimson Petrick'

Azalea Hybrid

? X ?

Hybridized By: Steyaert, A.

R. 'Crimson Pippin'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1966

R. 'Crimson Queen'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Crimson Scallyweg'

Vireya Hybrid

R. commonae X R. inconspicuum

Hybridized By: Unknown

R. 'Crimson Star'

Rhododendron Hybrid

R. 'Britannia' X R. 'Unknown Warrior'

Hybridized By: Hardgrove, D.L., 1951

R. 'Crimson Tide'

Azalea Hybrid

R. 'Homebush' X R. 'Melford Red Letter'

Hybridized By: Girard, P.E. | Geneva, Ohio | USA, 1969

R. crinigerum var crinigerum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Glischra

R. crinigerum var euadenium

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Glischra

R. 'Crinolette'

Vireya Hybrid

R. loranthiflorum ssp loranthiflorum X R. konori var konori

Hybridized By: Unknown

R. 'Crinoline'

Azalea Hybrid

R. mucronatum var mucronatum X R. 'Kagetsu'

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

R. 'Crinoline Pink'

Azalea Hybrid

R. 'Nuccio's Pink Champagne' X R. 'Rosebud'

Hybridized By: Aromi, E.J | Mobile, Alabama | USA

R. 'Crisp Classic'

Rhododendron Hybrid

? X ?

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

R. 'Cristo Rey'

Vireya Hybrid

R. 'macgregoriae x zoelleri' X R. 'laetum x zoelleri'

Hybridized By: Sullivan, P., 1971

R. 'Criterion'

Azalea Hybrid

R. 'Exquisitum' X R. indicum 'Iveryanum'

Hybridized By: Ivery, J.

R. 'Croceum Distinctum'

Azalea Hybrid

? X ?

Hybridized By: Waterer (Bagshot) | Surrey | England, 1865

R. 'Croceum Superbum'

Azalea Hybrid

? X ?

Hybridized By: Moser & Son, 1909