Index

R. 'Rangitoto Dawn'

Vireya Hybrid

? X ?

Hybridized By: Oldham, B.E., 1993

R. 'Rangitoto Glow'

Vireya Hybrid

? X ?

Hybridized By: Oldham, B.E., 1993

R. 'Rangitoto Sunrise'

Vireya Hybrid

? X ?

Hybridized By: Oldham, B.E., 1993

R. 'Rangitoto Sunset'

Vireya Hybrid

? X ?

Hybridized By: Oldham, B.E., 1993

R. 'Rangoon'

Rhododendron Hybrid

R. 'Fanfare' X R. 'Gertrud Schäle Group'

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1956

R. 'Rankyoken'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1939

R. 'Ranman'

Azalea Hybrid

? X ?

Hybridized By: Holly Heath Nursery, 1978

R. 'Ranneliesae'

Azalea Hybrid

? X ?

Hybridized By: USA, 1985

R. 'Raoul Millais'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1922

R. 'Raphael'

Rhododendron Hybrid

? X ?

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

R. 'Raphael'

Rhododendron Hybrid

R. catawbiense X ?

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

R. 'Raphael'

Azalea Hybrid

? X ?

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

R. 'Raphael de Smet'

Azalea Hybrid

? X ?

Hybridized By: Smet-Duvivier. L. de | St. Amandsberg | Belgium, 1973

R. rappardii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Rapture'

Azalea Hybrid

? X ?

Hybridized By: Brooks, L.L., 1965

R. 'Rapture Group'

Rhododendron Hybrid

R. griersonianum X R. arboreum ssp zeylanicum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1927

R. 'Rapunzel'

Azalea Hybrid

R. 'Golden Sunset' X ?

Hybridized By: Sorenson, S.E., 1968

R. rarilepidotum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. rarilepidotum var ootrichum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. rarum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Ras'

Rhododendron Hybrid

R. brachycarpum ssp brachycarpum X R. 'Calcutta x Tahiti'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1980

R. 'Rascal'

Rhododendron Hybrid

R. 'Apache' X R. neriiflorum ssp neriiflorum Euchaites Group

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1947

R. 'Rashomon'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1918

R. 'Raspberry and Custard'

Rhododendron Hybrid

R. 'Scintillation' X R. 'Jalisco Group x yakushimanum'

Hybridized By: Smith, C.C. (Cecil). Newberg, Oregon, USA, 1983

R. 'Raspberry Cream'

Rhododendron Hybrid

? X ?

Hybridized By: Cannon, C., 1992

R. 'Raspberry Delight'

Azalea Hybrid

? X ?

Hybridized By: Arneson, Ivan & Robertha | Arneson Nursery, Canby, Oregon | USA

R. 'Raspberry Mist'

Rhododendron Hybrid

R. 'Violet Mist' X R. 'Black Adder'

Hybridized By: Barlup, Jim. Bellevue, USA, 2003

R. 'Raspberry Parfait'

Azalea Hybrid

? X ?

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

R. 'Raspberry Rapture'

Azalea Hybrid

? X ?

Hybridized By: Vines,R.C. | Amelia Island, Florida | USA

R. 'Raspberry Ripple'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Pauline'

Hybridized By: Hanger, F.E.W.. RHS Garden, Wisley, Surrey, England, 1951

R. 'Raspberry Swirl'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Raspberry Truffle'

Vireya Hybrid

R. viriosum X R. solitarium

Hybridized By: Unknown

R. 'Rasputin'

Rhododendron Hybrid

R. 'Nova Zembla x Purple Splendour' X R. 'Purple Splendour'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1976

R. 'Rasteder Perle'

Rhododendron Hybrid

? X ?

Hybridized By: Germany, 1930

R. 'Ratafia'

Vireya Hybrid

X R. konori var konori

Hybridized By: Unknown

R. 'Rauchenstein'

Azalea Hybrid

? X ?

Hybridized By: VEG Saatzucht Zierplanzen Erfurt

R. 'Rava'

Azalea Hybrid

? X ?

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

R. 'Ravalac'

Vireya Hybrid

R. zoelleri X R. konori var konori

Hybridized By: Unknown

R. 'Ravenna'

Rhododendron Hybrid

? X ?

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

R. 'Ray'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Ray of Sunshine'

Rhododendron Hybrid

R. 'Weldy' X R. brachycarpum ssp tigerstedtii

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992

R. 'Raydel'

Rhododendron Hybrid

R. 'Unique' X R. 'Mrs W.C. Slocock'

Hybridized By: James Delbert W.. Eugene, Oregon, USA, 1950

R. 'Razor's Edge'

Rhododendron Hybrid

R. 'Wizard' X R. 'Delp's Fireking'

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

R. 'Razorbill'

Rhododendron Hybrid

R. spinuliferum X ?

Hybridized By: Cox, Peter A.. Glendoick, Scotland, 1975

R. 'Razzle Dazzle'

Rhododendron Hybrid

R. 'Mrs J G Millais' X R. 'Cheyenne'

Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1982

R. 'Real Pro'

Rhododendron Hybrid

R. 'Oh My!' X R. 'Nova Zembla'

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

R. 'Real Scoop'

Rhododendron Hybrid

R. 'Sefton' X R. 'Sefton'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992

R. 'Reality Check'

Rhododendron Hybrid

R. 'Kay Kay' X R. 'Dead Ringer'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1987

R. 'Reba'

Azalea Hybrid

? X ?

Hybridized By: Smith, W.D. | Spring Grove, Pennsylvania | USA

R. 'Rebe'

Rhododendron Hybrid

R. catawbiense X R. smirnowii

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

R. 'Rebecca'

Rhododendron Hybrid

? X ?

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