Index

R. 'Adamant'

Rhododendron Hybrid

R. 'Barclayi Group' X R. 'Werei'

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1961

R. 'Adana'

Rhododendron Hybrid

R. 'fortunei x decorum ssp diaprepes' X R. arboreum ssp nilagiricum 'Noyo Chief'

Hybridized By: Goheen. Dr. David. Camas, Washington, USA, 1963

R. 'Adansonii'

Rhododendron Hybrid

? X ?

Hybridized By: Gheldolf, C., 1844

R. 'Adder Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii X R. diphrocalyx

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933

R. 'Addisonii'

Azalea Hybrid

? X ?

Hybridized By: Jackson, T. & Son | Hampton Court, Middlesex | UK, 1851

R. 'Addy Wery'

Azalea Hybrid

R. 'Suetsumu' X R. 'Malvaticum'

Hybridized By: Ouden den H. & Son, 1940

R. 'Addy Wery x Mother's Day'

Azalea Hybrid

R. 'Addy Wery' X R. 'Mother's Day'

Hybridized By: No hybridiser registered

R. 'Adeeno'

Rhododendron Hybrid

R. 'Frango' X R. 'Markeeta'

Hybridized By: Goheen. Dr. David. Camas, Washington, USA, 1990

R. 'Adelaide'

Rhododendron Hybrid

R. 'Aurora' X R. thomsonii ssp thomsonii

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930

R. 'Adelaide'

Rhododendron Hybrid

? X ?

Hybridized By: Williams, B. S., 1872

R. 'Adelaide'

Azalea Hybrid

R. molle ssp molle X R. molle ssp japonicum

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1931

R. 'Adelaide'

Azalea Hybrid

? X ?

Hybridized By: Dalličre, A., 1852

R. 'Adelaide Group'

Rhododendron Cultivar group

R. 'Aurora' X R. thomsonii ssp thomsonii

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930

R. 'Adelaine Pope'

Azalea Hybrid

R. 'Sherwood Red' X R. 'Ruffled Giant'

Hybridized By: North Carolina State University, 1976

R. 'Adele's Pink'

Rhododendron Hybrid

R. maximum X ?

Hybridized By: Fetterhoff, W.M.. Gibsonia, Pennsylvania, USA, 1961

R. 'Adele's Yellow'

Rhododendron Hybrid

R. maximum X R. wardii var wardii

Hybridized By: Fetterhoff, W.M.. Gibsonia, Pennsylvania, USA, 1964

R. 'Adeline Allison'

Rhododendron Hybrid

R. 'Wheatley' X R. 'Kimberly'

Hybridized By: Whitman, M.J.. Wall, NJ, USA, 1989

R. 'Adelphia'

Rhododendron Hybrid

R. 'Pygmalion x haematodes' X R. 'Wellfleet'

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1943

R. 'Ademurasaki'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1976

R. adenogynum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. adenogynum Adenophorum Group

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. adenogynum 'Kirsty'

Rhododendron Species Selection

Selected By: Clarke, S.R. , Borde Hill, West Sussex , England, 1976

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. adenogynum 'Kristy'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. adenopodum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Argyrophylla

R. adenosum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Glischra

R. 'Adinda'

Azalea Hybrid

R. 'Karl Glaser' X ?

Hybridized By: ISRIA, 1976

R. adinophyllum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Adjudant Group'

Rhododendron Cultivar group

R. neriiflorum ssp neriiflorum X R. sperabile var sperabile

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933

R. 'Adlo Group'

Rhododendron Cultivar group

R. 'Adonis' X R. 'Loderi Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1931

R. 'Admiraal de Ruyter'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1849

R. 'Admirable'

Rhododendron Hybrid

? X ?

Hybridized By: Belder de, R., 1968

R. 'Admiral Piet Hein'

Rhododendron Hybrid

R. fortunei ssp fortunei 'Sir Charles Butler' X

Hybridized By: Van Nes, C.B., 1925

R. 'Admiral Schley'

Azalea Hybrid

? X ?

Hybridized By: Petrick, C., 1900

R. 'Admiral Tegetthoff'

Azalea Hybrid

? X ?

Hybridized By: Jusa, 1895

R. 'Admiral Tromp'

Azalea Hybrid

R. 'Gandavense Group' X R. molle ssp japonicum

Hybridized By: Vuylsteke, C., 1938

R. 'Admiral Vanessa'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Admiranda'

Azalea Hybrid

? X ?

Hybridized By: Schneider, F., 1863

R. 'Admiration'

Rhododendron Hybrid

? X ?

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

R. 'Admiration'

Azalea Hybrid

R. indicum 'Lateritium' X R. indicum 'Iveryanum'

Hybridized By: Ivery, J., 1853

R. 'Admiration'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1921

R. 'Adolf'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918

R. 'Adolf Czullik'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1882

R. 'Adolf Grille'

Azalea Hybrid

R. 'Ernst Thiers' X R. 'Hexe'

Hybridized By: Ambrosius, R. | Dresden | Germany, 1928

R. 'Adolph Heineman'

Rhododendron Hybrid

R. 'Jasper Group' X R. 'Tally Ho Group'

Hybridized By: Seabrook, Cecil S.. Tacoma, Washington, USA, 1964

R. 'Adolphe'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1859

R. 'Adolphe'

Azalea Hybrid

? X ?

Hybridized By: Sunningdale Nursery, 1898

R. 'Adolphe d'Haene'

Rhododendron Hybrid

? X ?

Hybridized By: Firma Seidel, 1894

R. 'Adolphe d'Haene'

Azalea Hybrid

? X ?

Hybridized By: Camelia Grove Nursery, 1954

R. 'Adolphe de Vervaene'

Azalea Hybrid

? X ?

Hybridized By: Camelia Grove Nursery, 1954

R. 'Adolphe Papeleu'

Rhododendron Hybrid

? X ?

Hybridized By: Vervaene, J.. Ledeberg, near Ghent, Belgium, 1864

R. 'Adolphe Thiers'

Azalea Hybrid

? X ?

Hybridized By: Van Houtte, L. B. (Louis Benoit) | Gentbrugge | Belgium, 1870