Index

R. 'Empire Silver'

Rhododendron Hybrid

? X ?

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

R. 'Empire White'

Rhododendron Hybrid

? X ?

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

R. 'Empress'

Rhododendron Hybrid

? X ?

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

R. 'Empress'

Vireya Hybrid

X R. javanicum ssp javanicum

Hybridized By: Unknown

R. 'Ems'

Rhododendron Hybrid

R. 'Purple Splendour' X ?

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1951

R. 'Ems Group'

Rhododendron Cultivar group

? X ?

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

R. 'Emīls'

Rhododendron Hybrid

R. catawbiense X R. 'Purple Splendour'

Hybridized By: Kondratovičs, Rihard. Riga, Latvia, 1974

R. 'Enborne'

Rhododendron Hybrid

R. aberconwayi X R. anwheiense

Hybridized By: Crown Estate Commissioners. Windsor, Berkshire, England, 1966

R. 'Enchanted Evening'

Rhododendron Hybrid

? X ?

Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1960

R. 'Enchanter'

Rhododendron Hybrid

? X ?

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

R. 'Enchanting'

Rhododendron Hybrid

? X ?

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

R. 'Enchantment'

Rhododendron Hybrid

? X ?

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

R. 'Enchantment'

Azalea Hybrid

? X ?

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

R. 'Enchantress'

Rhododendron Hybrid

? X ?

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

R. 'Enchantress'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands

R. 'Encore'

Azalea Hybrid

? X ?

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

R. 'Endeavour'

Rhododendron Hybrid

? X ?

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

R. 'Endeavour Group'

Rhododendron Cultivar group

? X ?

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

R. 'Endre Ostbo'

Rhododendron Hybrid

R. souliei X R. fortunei ssp discolor

Hybridized By: Ostbo, E.. Bellevue, Washington, USA, 1961

R. 'Endsleigh Pink'

Rhododendron Hybrid

R. arboreum ssp arboreum X ?

Hybridized By: Endsleigh Estate, 1917

R. 'Endymion Group'

Rhododendron Cultivar group

? X ?

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

R. 'Enfant de France'

Azalea Hybrid

? X ?

Hybridized By: Baumann, J. | Ghent | Belgium

R. englerianum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'English Roseum'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1958

R. 'Enigma'

Rhododendron Hybrid

R. 'Dexter 202 x Mars' X R. haematodes ssp haematodes

Hybridized By: Consolini, A.. Heritage Plantation, 1951

R. 'Enkeling'

Azalea Hybrid

? X ?

Hybridized By: Haerens, J.

R. enneadrum

Natural Hybrid

R. albiflorum var albiflorum X R. ponticum

R. 'Ennepe'

Azalea Hybrid

R. 'Noordtianum' X ?

Hybridized By: Arends, G. | Wuppertal | Germany, 1914

R. enomotoi

Natural Hybrid

R. stenopetalum X R. indicum

R. 'Enrico'

Rhododendron Hybrid

R. 'Sacko' X R. calostrotum ssp riparioides

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1990

R. 'Ensign'

Vireya Hybrid

R. multicolor X ?

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1899

R. 'Enticement'

Rhododendron Hybrid

? X ?

Hybridized By: Lofthouse, J.G.. Vancouver, British Columbia, Canada

R. 'Entourage'

Rhododendron Hybrid

R. 'Top Banana x brachycarpum ssp tigerstedtii' X R. 'Delicate Air'

Hybridized By: Anderson A.T. & S.A, 1997

R. 'Envy'

Azalea Hybrid

? X ?

Hybridized By: Kerrigan, Howard

R. 'Enziana'

Rhododendron Hybrid

R. 'Sacko' X R. 'Gletschernacht'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1978

R. 'Enzo Piacenza'

Rhododendron Hybrid

? X ?

Hybridized By: Parco Burcina. Pollone, Biella, Italy

R. 'Eonard'

Rhododendron Hybrid

? X ?

Hybridized By: Tolstead, W.L.. Davis and Elkins College, Elkins, WV, USA

R. 'Eos'

Vireya Hybrid

X R. malayanum var malayanum f malayanum

Hybridized By: Unknown

R. 'EP-2'

Azalea Hybrid

R. 'prunifolium x serrulatum' X R. arborescens

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

R. 'Epicure'

Azalea Hybrid

R. indicum X R. 'Tama-sugata'

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

R. 'Epilogue'

Azalea Hybrid

? X ?

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

R. epilosum

Natural Hybrid

R. retusum var retusum X R. sumatranum

R. 'Epitome'

Rhododendron Hybrid

? X ?

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

R. 'Epunctulatum'

Azalea Hybrid

? X ?

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

R. 'Erato'

Rhododendron Hybrid

R. 'Oratorium' X R. 'Feuerschein'

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

R. 'Erbprinz Ludwig'

Azalea Hybrid

? X ?

Hybridized By: Gebr. Mardner

R. 'Erchless'

Rhododendron Hybrid

? X ?

Hybridized By: Phipps, H.. Long Island, NY, USA

R. 'Erebus Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. 'Eri'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Eri x Glacier'

Azalea Hybrid

R. 'Eri' X R. 'Glacier'

Hybridized By: No hybridiser registered

R. 'Eric Stockton'

Rhododendron Hybrid

R. 'Fabia High Beeches' X R. 'Tally Ho Group'

Hybridized By: Loder, G.H., 1968