Index

R. 'Essex Scarlet'

Rhododendron Hybrid

? X ?

Hybridized By: Paul, G.. The Old Nurseries, Cheshunt, Hertfordshire, England, 1899

R. 'Estacada'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. arboreum ssp arboreum

Hybridized By: Goheen. Dr. David. Camas, Washington, USA, 1967

R. 'Estelle Gatke'

Rhododendron Hybrid

? X ?

Hybridized By: Gatke, R.M.

R. 'Ester Dudley'

Rhododendron Hybrid

R. 'Goldfort Group' X R. 'King George'

Hybridized By: Rose, H.D., 1973

R. 'Ester Reiber'

Azalea Hybrid

? X ?

Hybridized By: Pride, O.S. | Butler, Pennsylvania | USA, 1952

R. 'Esterel Group'

Rhododendron Cultivar group

? X ?

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

R. 'Esther Grace'

Rhododendron Hybrid

R. 'Countess of Derby' X R. 'White Swan'

Hybridized By: Grace, G.D., 1951

R. 'Esther Packard'

Rhododendron Hybrid

? X ?

Hybridized By: Love, M.V.

R. 'Esther Wagner'

Rhododendron Hybrid

? X ?

Hybridized By: Anderson, E. T. Mrs. Longview, Washington, USA

R. 'Estrellita'

Azalea Hybrid

R. 'Louise Gable' X R. 'Helen Close'

Hybridized By: Guttormsen, W.L. | Greenwood Gardens, Canby, Oregon | USA, 1969

R. 'Esveld Select'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X ?

Hybridized By: van Gelderen, D.M., 1970

R. 'Ethel'

Rhododendron Hybrid

R. 'F.C. Puddle Group' X R. forrestii ssp forrestii

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1934

R. 'Ethel Dupar'

Rhododendron Hybrid

R. 'Letty Edwards Group' X R. wardii var wardii

Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1967

R. 'Ethel Edgar'

Rhododendron Hybrid

? X ?

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

R. 'Ethel Group'

Rhododendron Hybrid

R. 'F.C. Puddle Group' X R. forrestii Repens Group

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1934

R. 'Ethel Hall'

Rhododendron Hybrid

? X ?

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

R. 'Ethel Kirkpatrick'

Rhododendron Hybrid

? X ?

Hybridized By: Anderson, E. T. Mrs. Longview, Washington, USA

R. 'Ethel Mae'

Rhododendron Hybrid

? X ?

Hybridized By: Herbert, C.

R. 'Ethel Roupe'

Rhododendron Hybrid

? X ?

Hybridized By: Stokes, W.E.

R. 'Ethel V. Cary'

Rhododendron Hybrid

? X ?

Hybridized By: Cary, E.A.

R. 'Ethelred Group'

Rhododendron Cultivar group

? X ?

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

R. 'Ethelwyn'

Azalea Hybrid

? X ?

Hybridized By: Gable, J.B. | Stewartstown, Pennsylvania | USA

R. 'Ethyl Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1937

R. 'Etna Group'

Rhododendron Cultivar group

R. 'Fabia Group' X R. 'Vanessa Group'

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

R. 'Etoile de Hollande'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Etoile de Noel'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Etoile de Sleidinge'

Rhododendron Hybrid

? X ?

Hybridized By: van Herzeele Nurseries, 1960

R. 'Etta Burrows'

Rhododendron Hybrid

R. 'Fusilier Group' X R. strigillosum

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1965

R. 'Etzel'

Rhododendron Hybrid

R. 'Everestianum' X R. 'Everestianum'

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1903

R. 'Euan Cox'

Rhododendron Hybrid

R. hanceanum Nanum Group X R. ludlowii

Hybridized By: Cox, E.H.M., 1975

R. 'Euclid'

Rhododendron Hybrid

? X ?

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

R. 'Eudora Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. eudoxum var brunneifolium

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

R. eudoxum var eudoxum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

R. eudoxum var mesopolium

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

R. 'Eugene'

Rhododendron Hybrid

R. 'Unique' X R. 'The Honourable Jean Marie de Montague'

Hybridized By: Unknown

R. 'Eulalia Wagner'

Rhododendron Hybrid

R. 'J. H. van Nes' X R. 'Loderi King George'

Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1962

R. 'Eulo Group'

Rhododendron Cultivar group

R. 'Eudora Group' X R. 'Loderi Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1937

R. 'Eunice Ann'

Azalea Hybrid

R. 'Elsie Pratt' X R. 'Cecile'

Hybridized By: Pratt, M.C., 1977

R. 'Eunice Updike'

Azalea Hybrid

X

Hybridized By: Gartrell, R. D. | Highland Farms, Black Mountain, North Carolina | USA, 1960

R. 'Eunicie Claris'

Rhododendron Hybrid

R. 'Loderi Group' X R. 'Naomi Pink Beauty'

Hybridized By: Gordon, R.C, 1984

R. 'Eunie'

Rhododendron Hybrid

R. 'Diny Dee' X R. 'Sierra del Oro'

Hybridized By: Davis, J.A., 1983

R. 'Euphemia'

Rhododendron Hybrid

? X ?

Hybridized By: Noble, C.. Standish & Noble, Bagshot, Surrey, England, 1862

R. 'Eupheno Group'

Rhododendron Cultivar group

R. griersonianum X R. sperabile var sperabile

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1928

R. 'Euphrosyne'

Rhododendron Hybrid

R. arboreum ssp arboreum X R. 'Loderi Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1923

R. 'Euphrosyne Group'

Rhododendron Cultivar group

R. arboreum ssp arboreum X R. 'Loderi Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1923

R. 'Euphrosyne Ruby'

Rhododendron Hybrid

R. arboreum ssp arboreum X R. 'Loderi Group'

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1958

R. 'Euprepes'

Azalea Hybrid

? X ?

Hybridized By: Gowen, J.R., 1829

R. 'Euratom'

Azalea Hybrid

R. 'Apollo' X R. 'Hexe'

Hybridized By: Gijselinck, A., 1957

R. 'Eureka'

Rhododendron Hybrid

R. arboreum ssp arboreum X R. hookeri

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1937

R. 'Eureka'

Azalea Hybrid

? X ?

Hybridized By: USDA, Department of Agriculture | Beltsville, Maryland | USA, 1954