Index

R. 'Redskin Group'

Rhododendron Hybrid

R. 'Dante Group' X R. 'Eudora Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1939

R. 'Redstart'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1941

R. 'Redstart Group'

Rhododendron Cultivar group

R. aperantum X R. neriiflorum ssp neriiflorum Euchaites Group

Hybridized By: Headfort, Lord. Kells, Meath, Ireland, 1938

R. 'Redwax'

Rhododendron Hybrid

R. haematodes ssp haematodes X R. 'May Day Group'

Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1957

R. 'Redwing'

Rhododendron Hybrid

R. 'Shilsonii' X R. 'Barclayi'

Hybridized By: Unknown

R. 'Redwing Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. 'Redwood'

Rhododendron Hybrid

R. fortunei ssp fortunei X R. insigne

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1970

R. 'Regality'

Rhododendron Hybrid

R. 'Calstocker Group' X R. 'Irene Stead'

Hybridized By: O'Rourke, H.. Burnie, Tasmania, Australia, 1989

R. 'Regan Jo'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA

R. 'Regina'

Azalea Hybrid

? X ?

Hybridized By: de Cock, L., 1868

R. 'Regina'

Azalea Hybrid

R. 'Adventglöckchen' X R. 'Schnee'

Hybridized By: Stiborek, Z., 1968

R. 'Regina'

Azalea Hybrid

R. indicum X R. 'Hazel Dawson'

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

R. 'Regina'

Azalea Hybrid

? X ?

Hybridized By: Hooftman, H.J., 1935

R. 'Regina'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1854

R. 'Regina Belgica'

Azalea Hybrid

? X ?

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

R. 'Regine Meltzer'

Rhododendron Hybrid

R. 'Odessa x Spätlese' X R. smirnowii

Hybridized By: Meltzer, H.L.. Neustadt a/d Waldnaab, Germany, 1989

R. 'Regulator'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1847

R. 'Rei Ro'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Reich's Signifikant'

Rhododendron Hybrid

? X ?

Hybridized By: Reich, W., 1990

R. 'Reifrock'

Rhododendron Hybrid

R. 'Fabia Group x smirnowii' X R. 'Purple Splendour'

Hybridized By: Meltzer, H.L.. Neustadt a/d Waldnaab, Germany, 1984

R. 'Reigate Squire'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Reigetsu'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Reileyridge Bright Day'

Rhododendron Hybrid

R. 'Janet Blair' X R. 'Ed's Red'

Hybridized By: Reiley, H.E., 1983

R. 'Reileyridge Picotee'

Rhododendron Hybrid

? X ?

Hybridized By: Reiley, H.E.

R. 'Reileyridge Sweet Sue'

Rhododendron Hybrid

? X ?

Hybridized By: Reiley, H.E.

R. 'Reine de Mai'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Reine de Pays-Bas'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Reine des Amateurs'

Azalea Hybrid

? X ?

Hybridized By: Vervaene, J. | Ledeberg, near Ghent | Belgium

R. 'Reine des Blanches'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Reinhold Ambrosius'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Rejoice'

Azalea Hybrid

? X ?

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

R. 'Relaxation'

Rhododendron Hybrid

R. 'May Day Group' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Smith, C.C. (Cecil). Newberg, Oregon, USA, 1966

R. 'Remembrance'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1941

R. 'Renaissance'

Rhododendron Hybrid

? X ?

Hybridized By: Barto, James. Eugene, Oregon, USA

R. 'Renaissance'

Rhododendron Hybrid

? X ?

Hybridized By: Adams-Acton, G.M. London, England

R. 'Renata'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Renate'

Azalea Hybrid

? X ?

Hybridized By: Mayer, R., 1977

R. 'Renato Rovelli'

Azalea Hybrid

? X ?

Hybridized By: Fratelli Rovelli, 1902

R. 'Rendezvous'

Rhododendron Hybrid

R. 'Marinus Koster' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1968

R. 'Renee Shirey'

Rhododendron Hybrid

R. 'Caltwins' X R. 'Caltwins'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1985

R. 'Renhaven'

Rhododendron Hybrid

R. 'Umpqua Chief' X R. elliottii

Hybridized By: James Delbert W.. Eugene, Oregon, USA, 1955

R. 'Rennie Moffat'

Rhododendron Hybrid

R. valentinianum X R. pachypodum

Hybridized By: Moffat, R, 1970

R. 'Renoir'

Rhododendron Hybrid

R. 'Pauline' X R. degronianum ssp yakushimanum

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

R. 'Renova'

Rhododendron Hybrid

? X ?

Hybridized By: Rhein, W.L.. Mechanicsburg, Pennsylvania, USA

R. 'Renowned'

Azalea Hybrid

? X ?

Hybridized By: Exbury | The Rothschild Estate, Hampshire | England

R. renschianum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Renée Robeson'

Rhododendron Hybrid

R. 'Mrs G. W. Leak' X R. 'Stanway'

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1982

R. 'Repose'

Rhododendron Hybrid

? X ?

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK

R. 'Repose Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK

R. 'Requiem'

Azalea Hybrid

? X ?

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

R. 'Reshma'

Rhododendron Hybrid

? X ?

Hybridized By: Hübbers, K-H.. Kranenburg, Germany, 1987