Index

R. 'Superbum'

Azalea Hybrid

? X ?

Hybridized By: Rollisson & Sons, W. | Springfield Nursery, Upper Tooting, London | England, 1840

R. 'Superbum'

Azalea Hybrid

R. luteum X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1840

R. 'Superbum'

Azalea Hybrid

? X ?

Hybridized By: Liebig, L.L. | Dresden | Germany, 1868

R. 'Superbum'

Azalea Hybrid

R. calendulaceum X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1836

R. 'Superbum Giganteum'

Rhododendron Hybrid

? X ?

Hybridized By: Caledonia Nursery

R. superbum ssp ibele

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. superbum ssp superbum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'superbum x zoelleri'

Vireya Hybrid

R. superbum ssp superbum X R. superbum ssp superbum

Hybridized By: No hybridiser registered

R. 'Superfleur'

Vireya Hybrid

R. leucogigas X R. zoelleri

Hybridized By: Unknown

R. 'Superflimmer'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Supergold'

Rhododendron Hybrid

? X ?

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

R. 'Superman'

Rhododendron Hybrid

R. degronianum ssp degronianum 'Metternianum' X ?

Hybridized By: Boswell, E.D. Mrs, 1968

R. 'Supernova'

Rhododendron Hybrid

R. 'Nova Zembla' X ?

Hybridized By: Briggs Nursery, 1987

R. 'Supersuds'

Azalea Hybrid

? X ?

Hybridized By: Carlson's Gardens | (Bob & Janice Carlson), South Salem, New York | USA

R. 'Supra-syn'

Rhododendron Hybrid

? X ?

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

R. 'Supreme'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. surasianum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. 'Sure Thing'

Rhododendron Hybrid

? X ?

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

R. 'Surface Star'

Rhododendron Hybrid

? X ?

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

R. 'Surprise'

Azalea Hybrid

R. 'Bridal Veil' X R. 'Azuma-no-hana'

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

R. 'Surprise Group'

Rhododendron Hybrid

R. falconeri ssp falconeri X R. thomsonii ssp thomsonii

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

R. 'Surprise Packet'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Surrey Heath'

Rhododendron Hybrid

R. 'facetum x Fabia Group' X R. 'yakushimanum x Britannia'

Hybridized By: Waterer (Bagshot). Surrey, England, 1958

R. 'Surusumi'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Susan'

Rhododendron Hybrid

R. campanulatum ssp campanulatum X R. fortunei ssp fortunei

Hybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1935

R. 'Susan Jane'

Vireya Hybrid

X R. hellwigii

Hybridized By: Unknown

R. 'Susan Kay'

Rhododendron Hybrid

R. maximum X R. wardii var wardii

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

R. 'Susan Lynn'

Azalea Hybrid

R. 'Christina' X ?

Hybridized By: Clagett, W.L. (Buck) | USA | Derwood, Maryland, 1993

R. 'Susie Lynn Jones'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia, 2004

R. sutchuenense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. sutchuenense 'Seventh Heaven'

Rhododendron Species Selection

Selected By: unknown, 1978

Subgenus: Hymenanthes
Section: Pontica
Subsection: Fortunea

R. 'Sutter's Gold'

Rhododendron Hybrid

? X ?

Hybridized By: Clarke, George.W.. Portland Oregon, USA, 1980

R. 'Suzanne'

Rhododendron Hybrid

? X ?

Hybridized By: Byls, J., 1869

R. 'Suzanne'

Azalea Hybrid

? X ?

Hybridized By: Chisholm, J.J., 1934

R. 'Suzanne Loef'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1962

R. 'Suzi Que'

Rhododendron Hybrid

? X ?

Hybridized By: Metcalfe, S.K., 1980

R. 'Suzu'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1984

R. 'Suzuki'

Azalea Hybrid

? X ?

Hybridized By: Sander, C., 1885

R. 'Suzumushi'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Suzy Bell'

Rhododendron Hybrid

R. 'Camich' X R. 'Elizabeth Group'

Hybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1957

R. 'Sverige'

Azalea Hybrid

? X ?

Hybridized By: Seghers, Fr, 1935

R. 'Swagger'

Azalea Hybrid

R. 'Bridal Veil' X R. 'Azuma-no-hana'

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

R. 'Swallow'

Azalea Hybrid

? X ?

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

R. 'Swallowfield'

Rhododendron Hybrid

R. souliei X R. degronianum ssp yakushimanum

Hybridized By: Crown Estate Commissioners. Windsor, Berkshire, England, 1981

R. 'Swamp Beauty'

Rhododendron Hybrid

R. 'Purple Splendour' X R. 'Loderi Superlative'

Hybridized By: Elliott, James A.. Astoria, Oregon, USA, 1968

R. 'Swan'

Azalea Hybrid

? X ?

Hybridized By: Gable, J.B. | Stewartstown, Pennsylvania | USA, 1972

R. 'Swan Lake'

Rhododendron Hybrid

R. auriculatum X R. 'Godesberg'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1958

R. 'Swansdown'

Rhododendron Hybrid

R. catawbiense X R. 'Belle Heller'

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1965

R. 'Swansong'

Azalea Hybrid

R. 'Lilacinum x Willy' X R. 'Mrs Carmichael'

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

R. 'Swarthmore no. 12507'

Rhododendron Hybrid

R. 'Gillies Apricot' X R. fortunei ssp fortunei

Hybridized By: Unknown

R. 'Swashbuckler'

Azalea Hybrid

R. 'Malvaticum' X R. indicum

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1947