Index

R. 'Anneke'

Azalea Hybrid

? X ?

Hybridized By: Pratt, M.C., 1964

R. 'Anneliese'

Rhododendron Hybrid

R. insigne X R. 'El Alamein'

Hybridized By: Bruns, J Nursery. Bad Zwischenahn, Germany, 1961

R. 'Annette'

Rhododendron Hybrid

? X ?

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

R. 'Annette'

Azalea Hybrid

? X ?

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

R. 'Annie Dalton'

Rhododendron Hybrid

? X ?

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

R. 'Annie Darling'

Rhododendron Hybrid

? X ?

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

R. 'Annie Dixwell'

Rhododendron Hybrid

? X ?

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

R. 'Annie Dosser'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia

R. 'Annie E. Endtz'

Rhododendron Hybrid

R. 'Pink Pearl' X ?

Hybridized By: Endtz, L.J. & Co. Boskoop, Netherlands, 1939

R. 'Annie Fish'

Rhododendron Hybrid

? X ?

Hybridized By: Cowles, J.C.. Stow, MA (superintendent of Dexter Estate 1959-1967), USA, 1970

R. 'Annie Laurie'

Azalea Hybrid

? X ?

Hybridized By: Frisbie, L.F. | Tacoma, Washington | USA

R. 'Annika'

Rhododendron Hybrid

R. 'Sapporo' X R. degronianum ssp yakushimanum

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1988

R. 'Anniversary Gold'

Rhododendron Hybrid

R. 'King of Shrubs x Crest' X R. 'Golden Star'

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

R. 'Anniversary Joy'

Azalea Hybrid

? X ?

Hybridized By: Taylor, G., 1980

R. 'Anny'

Azalea Hybrid

R. kaempferi X R. 'Malvaticum x kaempferi'

Hybridized By: Van Nes, C.B., 1922

R. 'Antarctica'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Anthem'

Azalea Hybrid

R. 'Malvaticum' X R. 'Yo-zakura'

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

R. 'Anthenon'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Anthony Koster'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. anthopogon ssp anthopogon

Species

Subgenus: Rhododendron
Section: Pogonanthum

R. anthopogon ssp anthopogon 'Betty Graham'

Rhododendron Species Selection

Selected By: unknown, 1969

Subgenus: Rhododendron
Section: Pogonanthum

R. anthopogon ssp anthopogon var album

Species

R. anthopogon ssp hypenanthum

Species

Subgenus: Rhododendron
Section: Pogonanthum

R. anthopogon ssp hypenanthum 'Annapurna'

Rhododendron Species Selection

Selected By: Glendoick Gardens, 1974

Subgenus: Rhododendron
Section: Pogonanthum

R. anthopogonoides

Species

Subgenus: Rhododendron
Section: Pogonanthum

R. anthopogonoides ssp hoi

Species

Subgenus: Rhododendron
Section: Pogonanthum

R. anthosphaerum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. 'Antilope'

Azalea Hybrid

R. viscosum X R. 'Koster's Brilliant Red'

Hybridized By: Felix, B.B.C. | Felix & Dijkhuis, Boskoop | Netherlands, 1938

R. 'Antje'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Anton'

Rhododendron Hybrid

R. 'Everestianum' X R. 'Everestianum'

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1891

R. 'Anton Rupert'

Rhododendron Hybrid

? X ?

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

R. 'Antonio'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Antonio Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. 'Antonín Dvořák'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Antoon van Welie'

Rhododendron Hybrid

R. 'Pink Pearl' X R. catawbiense

Hybridized By: Endtz, L.J. & Co. Boskoop, Netherlands, 1947

R. 'Anuschka'

Rhododendron Hybrid

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

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1962

R. anwheiense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

R. 'Anytime'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Anytime Tetra'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Ao-Chin'

Rhododendron Hybrid

R. 'Roza Stevenson' X R. 'Albatross Group'

Hybridized By: Robinson, M.L.A.. Forest Row, East Sussex, England, 1990

R. 'Ao-umi'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1929

R. 'Aotearoa'

Rhododendron Hybrid

? X ?

Hybridized By: Brueckner, J.B.. Mississauga, Ontario, Canada

R. 'Apache'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Apassionata'

Vireya Hybrid

R. 'Simbu Sunset' X R. 'Calavar'

Hybridized By: Unknown

R. aperantum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

R. 'Aperitif'

Rhododendron Hybrid

? X R. 'Point Defiance'

Hybridized By: Hübbers, K-H.. Kranenburg, Germany, 1990

R. 'Aphrodite'

Vireya Hybrid

R. javanicum ssp javanicum X R. 'Princess Alexandra'

Hybridized By: Unknown

R. apiense

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. apoanum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Malayovireya

R. 'Apollo'

Azalea Hybrid

? X ?

Hybridized By: Schulz, C., 1878

R. 'Apollo'

Azalea Hybrid

? X ?

Hybridized By: unknown, 1843