Index

R. 'Stephen'

Vireya Hybrid

X R. zoelleri

Hybridized By: Unknown

R. 'Stephen Clarke'

Rhododendron Hybrid

R. 'Britannia' X R. 'Autumn Gold'

Hybridized By: Clarke, E. Mrs., 1960

R. 'Steredenn'

Rhododendron Hybrid

? X ?

Hybridized By: Colombel, Marc. Menez-Rohou, Fouesnant, France, 1993

R. 'Sterling'

Azalea Hybrid

? X ?

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

R. 'Sternzauber'

Rhododendron Hybrid

? X ?

Hybridized By: Lohse, Dirk, 2001

R. 'Steve Zalumas'

Azalea Hybrid

R. 'Sweetheart Supreme' X ?

Hybridized By: Cole, D.J., 1987

R. 'Steve Zimmerman'

Rhododendron Hybrid

R. 'Hotei' X R. 'Crest'

Hybridized By: McCulloch, S.. Olympia, WA, USA, 1983

R. 'Steven Foster'

Rhododendron Hybrid

R. 'May Day Group' X R. haematodes ssp haematodes

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

R. 'Steven Roy'

Rhododendron Hybrid

R. 'Evening Glow' X R. 'Tortoiseshell Wonder'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1980

R. stevensianum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Stewart Amstrong'

Azalea Hybrid

? X ?

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

R. 'Stewart Manville'

Rhododendron Hybrid

? X ?

Hybridized By: Smith, W.D.. Spring Grove, Pennsylvania, USA

R. stewartianum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

R. stewartianum var aiolosalpinx

Species

R. 'Stewartstonian'

Azalea Hybrid

? X ?

Hybridized By: Gable, J.B. | Stewartstown, Pennsylvania | USA, 1952

R. 'Stinger'

Rhododendron Hybrid

R. 'Rocky Road' X R. 'Rougemont'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1989

R. 'Stingray'

Rhododendron Hybrid

? X ?

Hybridized By: Ring, T.L.. Bellaire, Ohio, USA

R. 'Stoat'

Azalea Hybrid

R. 'Kermesinum' X R. 'Lemur'

Hybridized By: Cox, Peter A. | Glendoick | Scotland, 1980

R. 'Stockholm'

Rhododendron Hybrid

? X R. williamsianum

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1945

R. 'Stockholm'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. decorum ssp decorum

Hybridized By: Leach, Dr. David G.. North Madison, Ohio, USA, 1954

R. 'Stockman's Black Eye'

Rhododendron Hybrid

R. 'Van Nes Sensation' X R. 'Kubla Khan'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 2000

R. 'Stockman's Drumbeat'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA

R. 'Stockman's Firecracker'

Rhododendron Hybrid

R. 'Blimey Limey' X R. 'Galacci's Gold'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1992

R. 'Stockman's Flare'

Rhododendron Hybrid

R. 'Dianta' X R. 'Kubla Khan'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1992

R. 'Stockman's Flirt'

Rhododendron Hybrid

R. 'Blimey Limey' X R. 'Christie Ess'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1993

R. 'Stockman's Ruby'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA

R. 'Stockman's Schiller'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA

R. 'Stokes Bronze Wings'

Rhododendron Hybrid

R. maximum X R. catawbiense

Hybridized By: Stokes, W.E., 1943

R. 'Stokes Bronze Wings x Adele's Yellow'

Rhododendron Hybrid

R. 'Stokes Bronze Wings' X R. 'Adele's Yellow'

Hybridized By: No hybridiser registered

R. 'Stokes Opal'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. stolleanum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Stonelaw'

Rhododendron Hybrid

R. edgeworthii X R. burmanicum

Hybridized By: Dunedin Rhododendron Group, 1990

R. 'Stony Acres'

Rhododendron Hybrid

? X ?

Hybridized By: Herbert, C.

R. 'Stony Brook'

Rhododendron Hybrid

R. 'Voluptuous' X R. 'Point Defiance'

Hybridized By: Brack, W. (Werner). St. James, New York, USA, 1988

R. 'Stoplight'

Rhododendron Hybrid

? X ?

Hybridized By: Henny, Rudolph. Brooks, Oregon, USA

R. 'Stormcloud'

Azalea Hybrid

? X ?

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

R. 'Stormy'

Azalea Hybrid

? X ?

Hybridized By: Vines,R.C. | Amelia Island, Florida | USA

R. 'Stour'

Azalea Hybrid

? X ?

Hybridized By: Hanger, F.E.W. | RHS Garden, Wisley, Surrey | England, 1958

R. 'Strategist'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1911

R. 'Straw Hat'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Mars'

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

R. 'Strawberry Chiffon'

Rhododendron Hybrid

? X ?

Hybridized By: Stipe, W.A.. Glynneden Garden, Greenbank, Washington, USA

R. 'Strawberry Delight'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Strawberry Frills'

Rhododendron Hybrid

? X ?

Hybridized By: McDonald, S.

R. 'Strawberry Ice'

Azalea Hybrid

? X ?

Hybridized By: Rothschild, L. de | Founder of Exbury Gardens | UK, 1947

R. 'Strawberry Parfait'

Vireya Hybrid

R. konori var phaeopeplum X R. zoelleri

Hybridized By: Unknown

R. 'Strawberry Popsickle'

Azalea Hybrid

? X ?

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

R. 'Strawberry Rose'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Strawberry Sherbet'

Azalea Hybrid

? X ?

Hybridized By: Aromi, E.J | Mobile, Alabama | USA

R. 'Strawberry Sundae'

Azalea Hybrid

? X ?

Hybridized By: Aromi, E.J | Mobile, Alabama | USA

R. 'Strawberry Supreme'

Rhododendron Hybrid

? X ?

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

R. 'Strawberry Swirl'

Rhododendron Hybrid

? X ?

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