Index

R. 'Sydney Firth'

Azalea Hybrid

? X ?

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

R. 'Sydney Lock'

Rhododendron Hybrid

R. fortunei ssp discolor X ?

Hybridized By: Ingram, C.. Benenden, Kent, England, 1970

R. 'Sydney Olympic 2000'

Azalea Hybrid

R. 'Agnes Neale' X R. 'Splendens'

Hybridized By: Jordan, E.W., 1993

R. 'Sylph'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1881

R. 'Sylph'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch & Son, J.. Royal Exotic Nurseries, Chelsea, London, England, 1867

R. 'Sylphide'

Rhododendron Hybrid

? X ?

Hybridized By: Walther, C.J.H., 1860

R. 'Sylphide'

Azalea Hybrid

? X ?

Hybridized By: Schulz, C., 1883

R. 'Sylphides'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1950

R. 'Sylva'

Azalea Hybrid

? X ?

Hybridized By: van Geert, C., 1890

R. 'Sylvania'

Rhododendron Hybrid

R. edgeworthii X R. formosum var inaequale

Hybridized By: Basford, J.S., 1984

R. 'Sylvester'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Sylvetta'

Rhododendron Hybrid

? X ?

Hybridized By: UK, No hybridizer registered, 1995

R. 'Sylvia'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1958

R. 'Sylvia'

Azalea Hybrid

R. 'Leuchtfeuer' X R. 'Schnee'

Hybridized By: Mayer, R., 1977

R. 'Sylvia V. Knight'

Rhododendron Hybrid

R. 'J. H. van Nes' X R. 'Bow Bells Group'

Hybridized By: Briggs, B.T., 1963

R. 'Sylvie'

Azalea Hybrid

R. 'Avenir' X R. 'Professeur Wolters'

Hybridized By: Stiborek, Z., 1974

R. 'Sylvie de Moor'

Azalea Hybrid

? X ?

Hybridized By: Vervaene, J. | Ledeberg, near Ghent | Belgium, 1890

R. 'Symmetry'

Azalea Hybrid

? X ?

Hybridized By: Lee, J. & C. | Hammersmith, London | England, 1845

R. 'Symphonie'

Rhododendron Hybrid

R. campylocarpum ssp campylocarpum X ?

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1930

R. 'Symphony'

Azalea Hybrid

? X ?

Hybridized By: Pericat, A., 1941

R. 'Symphony Group'

Rhododendron Cultivar group

R. 'Arthur Osborn' X R. 'F.C. Puddle Group'

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

R. 'Syncopation'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1959

R. 'Syonense Group'

Rhododendron Cultivar group

R. Sir Charles Lemon X R. catawbiense

Hybridized By: Iveson, 1849

R. 'Syowa'

Azalea Hybrid

R. 'Surusumi' X R. 'Kokabenisibori'

Hybridized By: Kuwano, T., 1918

R. 'Syringoides Pigmeum'

Azalea Hybrid

? X ?

Hybridized By: Maupoil, C., 1853

R. syringoideum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Sába'

Rhododendron Hybrid

R. decorum ssp decorum X R. 'Caractatus'

Hybridized By: Kavka, B.. Pruhonice, Czech Republic, 1961