Rhododendron Index

R. 'Strawberry Swirl'

Rhododendron Hybrid

? x ?

Hybridized By: Gable, J.B.

R. 'Strawberry Swirl'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Caldwell, H.A. Jr.

R. 'Strawberry Wine'

Rhododendron Hybrid

R. 'Mrs Furnivall' x R. 'Peggie Roberts'

Hybridized By: Barlup, Jim

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R. 'Streaker'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Streatley'

Rhododendron Hybrid

R. aberconwayi x R. degronianum ssp yakushimanum

Hybridized By: Crown Estate Commissioners

R. stresemannii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. strigillosum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

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R. 'Striking'

Rhododendron Hybrid

R. 'Calstocker Group' x R. 'Auguste van Geert'

Hybridized By: O'Rourke, H.

R. 'Stromy'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' x R. wardii var wardii

Hybridized By: Heft, L.

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R. 'Stuart Holland'

Rhododendron Hybrid

? x ?

Hybridized By: Vaartnou, H.

R. 'Stunner'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Su-Lin'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Guttormsen, W.L.

R. 'Suave'

Rhododendron Hybrid

R. edgeworthii x R. edgeworthii

Hybridized By: Liebig, L.L.

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R. suaveolens f roseum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. suaveolens f suaveolens

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. 'Sub Zero'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. aberconwayi

Hybridized By: Van de Ven K.

R. subansiriense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

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R. subarcticum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Ledum

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R. subcerinum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. subcrenulatum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. subenerve

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. subestipitatum

Species

Subgenus: Azaleastrum
Section: Choniastrum

R. subflumineum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Sublime'

Rhododendron Hybrid

R. 'Ben Moseley' x R. 'Besse Howells'

Hybridized By: Hinerman, D.L.

R. subroseum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

R. subsessile

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. subulatum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Ledum

R. subuliferum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. subulosum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. succothii

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Barbata

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R. 'Suchu-ka'

Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Sucre d'Orge'

Rhododendron Hybrid

R. 'September Song' x R. 'Fred Wynniat x Ring of Fire'

Hybridized By: Colombel, Marc

R. 'Sue Ann'

Rhododendron Hybrid

R. 'Lem's Cameo' x R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Brockenbrough, E.C

R. 'Sue Conn'

Rhododendron Hybrid

R. 'Anna' x R. 'Lem's Cameo'

Hybridized By: Watson, E.M. Mrs. (Elsie)

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R. 'Sue Conn x Karen Triplet'

Rhododendron Hybrid

R. 'Sue Conn' x R. 'Karen Triplett'

R. 'Sue Conn x Karen Triplet X Marinus Koster x Lem's Goal'

Rhododendron Hybrid

R. 'Sue Conn x Karen Triplet' x R. 'Marinus Koster x Lem's Goal'

R. 'Sue Gunn'

Rhododendron Hybrid

R. 'Nova Zembla x yakushimanum' x R. 'Catalgla x Elizabeth Group'

Hybridized By: Craig, D.L.

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R. 'Sue Lissenden'

Rhododendron Hybrid

? x ?

Hybridized By: Van de Ven K.

R. 'Suede'

Rhododendron Hybrid

R. haematodes ssp haematodes x R. bureavii

Hybridized By: Judson

R. 'Suetsumu'

Evergreen Azalea Hybrid

? x ?

R. 'Sugah Lump'

Rhododendron Hybrid

R. 'Lord Roberts' x R. 'Skipper Hal'

Hybridized By: Stockman, M.

R. 'Sugan'

Rhododendron Hybrid

? x ?

Hybridized By: Hübbers, K-H.

R. 'Sugar and Spice'

Rhododendron Hybrid

? x R. 'Madame Masson'

Hybridized By: Bowhan, Tom and Emma

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R. 'Sugar Daddy'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

R. 'Sugar Pink'

Rhododendron Hybrid

R. 'Trude Webster' x R. 'Fawn x Queen o' the May Group'

Hybridized By: Greer, Harold E.

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R. 'Sugar Puff'

Rhododendron Hybrid

R. racemosum x R. minus Carolinianum Group

Hybridized By: Read, F.

R. 'Sugared Almond'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Exbury

R. sugaui

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Suifu'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Suigetsu'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan