Rhododendron Index

R. 'Suislaw Pioneer'

Rhododendron Hybrid

? x ?

R. 'Sulfmeg'

Rhododendron Hybrid

? x ?

Hybridized By: Magor, E.J.P.

R. sulfureum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Boothia

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R. 'Sulphur Yellow Group'

Rhododendron Cultivar group

? x ?

R. sulphureum

Species

R. 'Sultana'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

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R. 'Sultry Peach'

Rhododendron Hybrid

? x ?

R. 'Sumari'

Rhododendron Hybrid

? x ?

Hybridized By: Hübbers, K-H.

R. 'Sumatra'

Rhododendron Hybrid

R. 'America' x R. 'Gertrud Schäle Group'

Hybridized By: Leach, Dr. David G.

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R. sumatranum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Sumida'

Evergreen Azalea Hybrid

? x ?

R. 'Summer Dawn'

Rhododendron Hybrid

R. 'Ladybird Group x Inamorata Group' x R. 'Lascaux'

Hybridized By: Millais, E.G.

R. 'Summer Fragrance'

Deciduous Azalea Hybrid

? x ?

R. 'Summer Glow'

Rhododendron Hybrid

R. 'Summer Snow' x R. 'Scarlet Blast'

Hybridized By: Leach, Dr. David G.

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R. 'Summer Heat'

Deciduous Azalea Hybrid

R. 'cumberlandense x prunifolium' x R. cumberlandense

Hybridized By: Schild, J.E.

R. 'Summer Ivory'

Rhododendron Hybrid

? x R. 'Biscuit Box'

Hybridized By: Robinson, M.L.A.

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R. 'Summer Jewel'

Rhododendron Hybrid

R. 'Alandale' x R. fortunei ssp discolor

Hybridized By: Swarthmore College

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R. 'Summer Lightning'

Rhododendron Hybrid

R. 'Polar Bear Group' x R. 'Albatross Group'

Hybridized By: Robinson, M.L.A.

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R. 'Summer Peach'

Rhododendron Hybrid

R. 'Whitney's Late Peach' x R. 'Phyllis Korn'

Hybridized By: Barlup, Jim

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R. 'Summer Snow'

Rhododendron Hybrid

R. maximum x R. 'ungernii x auriculatum'

Hybridized By: Leach, Dr. David G.

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R. 'Summer Snowball'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Aromi, E.J

R. 'Summer Snowflakes'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Aromi, E.J

R. 'Summer Solace'

Rhododendron Hybrid

R. 'Summer Snow' x R. catawbiense 'Catalgla'

Hybridized By: Leach, Dr. David G.

R. 'Summer Song'

Rhododendron Hybrid

R. 'smirnowii x griersonianum X catabiense x fortunei ssp discolor x Corona X griersonianum' x R. 'maximum x Goldsworth Orange X America x Gertrud Schäle Group'

Hybridized By: Leach, Dr. David G.

R. 'Summer Sorbet'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Pratt, M.C.

R. 'Summer Splendor'

Rhododendron Hybrid

R. 'Summer Snow' x R. 'Party Pink'

Hybridized By: Leach, Dr. David G.

R. 'Summer Straw'

Rhododendron Hybrid

R. 'Nancy Evans' x R. 'Whitney's Late Yellow #1'

Hybridized By: Barlup, Jim

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R. 'Summer Summit'

Rhododendron Hybrid

R. maximum x R. 'auriculatum x fortunei discolor'

Hybridized By: Leach, Dr. David G.

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R. 'Summer Sunrise'

Rhododendron Hybrid

R. 'Orange Prelude' x R. 'Berg's Yellow x proteoides'

Hybridized By: Barlup, Jim

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R. 'Summer Sunshine'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Pratt, M.C.

R. 'Summer Wind'

Rhododendron Hybrid

R. 'Golden Gala' x R. 'Summer Peach'

Hybridized By: Barlup, Jim

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R. 'Sun Blossom'

Rhododendron Hybrid

R. 'Terra' x R. 'Trina'

Hybridized By: Barlup, Jim

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R. 'Sun Blush'

Rhododendron Hybrid

R. 'Scintillation' x R. 'Recital'

Hybridized By: Barlup, Jim

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R. 'Sun Chariot'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Exbury

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R. 'Sun Devil'

Rhododendron Hybrid

? x ?

R. 'Sun Dust'

Rhododendron Hybrid

R. 'Nancy Evans' x R. 'Janet Blair'

Hybridized By: Anderson A.T. & S.A

R. 'Sun Fire'

Rhododendron Hybrid

R. 'Rotgold x Amaretto' x R. dichroanthum ssp dichroanthum

Hybridized By: Huisman, T

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R. 'Sun Frolic'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Girard, P.E.

R. 'Sun High'

Rhododendron Hybrid

R. 'Mindy's Love' x R. 'Janet Blair'

Hybridized By: Barlup, Jim

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R. 'Sun Music'

Rhododendron Hybrid

R. 'Sun Quest' x R. 'Peach Recital'

Hybridized By: Barlup, Jim

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R. 'Sun Quest'

Rhododendron Hybrid

R. 'Invitation' x R. 'Janet Blair'

Hybridized By: Barlup, Jim

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R. 'Sun Shower'

Rhododendron Hybrid

R. 'Hotei' x R. 'Satin Gold'

Hybridized By: Barlup, Jim

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R. 'Sun Silk'

Rhododendron Hybrid

R. 'Command Performance' x R. 'Goldprinz'

Hybridized By: Barlup, Jim

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R. 'Sun Song'

Rhododendron Hybrid

R. 'Invitation' x R. 'Cupcake'

Hybridized By: Barlup, Jim

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R. 'Sun Spirit'

Rhododendron Hybrid

R. 'Recital' x R. 'Goldprinz'

Hybridized By: Barlup, Jim

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R. 'Sun Star'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Sun Stream'

Rhododendron Hybrid

R. 'Nancy Evans' x R. 'Lem's Tangerine'

Hybridized By: Barlup, Jim

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R. 'Sun Valley'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Bristow, O.R.

R. 'Suna P7'

Azalea Hybrid

? x ?

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R. 'Sunbeam'

Deciduous Azalea Hybrid

R. 'Altaclarense' x ?

Hybridized By: Koster M. & Sons