Rhododendron Index

R. 'Plumb Perfect'

Rhododendron Hybrid

R. 'Julia Grothaus' x R. 'Purple Splendour'

Hybridized By: Vea, J.G.

R. 'Plumosum'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Pluto'

Evergreen Azalea Hybrid

? x ?

R. 'Plüsch'

Rhododendron Hybrid

? x ?

Hybridized By: Seidel, T.J.R.

R. pocophorum var hemidartum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

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R. pocophorum var pocophorum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

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R. pocophorum var pocophorum 'Cecil Nice'

Rhododendron Species Selection

Selected By: Anne, Countess of Rosse and NT (Nymans)

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R. 'Pohjola's Daughter'

Rhododendron Hybrid

R. 'Cunningham's White' x R. smirnowii

Hybridized By: Uosukainen, Marjatta, Dr. Mrs.

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R. 'Poignant'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Vines,R.C.

R. 'Poikela'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Gowen, J.R.

R. 'Point Arguello'

Rhododendron Hybrid

? x ?

R. 'Point Defiance'

Rhododendron Hybrid

R. 'Anna' x R. 'Marinus Koster'

Hybridized By: Lem Halfdan

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R. 'Polar Bear'

Rhododendron Hybrid

R. decorum ssp diaprepes x R. auriculatum

Hybridized By: Stevenson, J.B.

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R. 'Polar Bear'

Evergreen Azalea Hybrid

R. 'Hexe' x R. 'Snow'

Hybridized By: USDA, Department of Agriculture

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R. 'Polar Bear Group'

Rhododendron Cultivar group

? x ?

R. 'Polar Sea'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Polar Sea'

Evergreen Azalea Hybrid

? x ?

R. 'Polar Sea x Corinne Murrah'

Evergreen Azalea Hybrid

R. 'Polar Sea' x R. 'Corinne Murrah'

R. 'Polar Star'

Rhododendron Hybrid

R. smirnowii x R. 'Doncaster'

Hybridized By: Koster M. & Sons

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R. 'Polar Sun'

Rhododendron Hybrid

R. 'Polar Bear' x R. facetum

Hybridized By: Digby, Lord

R. 'Polarnacht'

Rhododendron Hybrid

R. 'Turkana' x R. 'Purple Splendour'

Hybridized By: Hachmann, Hans

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R. 'Policy'

Rhododendron Hybrid

? x ?

Hybridized By: Rothschild, L. de

R. 'Pollone'

Rhododendron Hybrid

? x ?

Hybridized By: Parco Burcina

R. 'Pollux'

Rhododendron Hybrid

? x ?

Hybridized By: Firma Seidel

R. 'Polly Clarke'

Rhododendron Hybrid

? x ?

Hybridized By: George A.F.

R. 'Pollyanna'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Guttormsen, W.L.

R. 'Polonaise'

Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Polonaise'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

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R. poluninii

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Lanata

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R. polyanthemum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. polyanthemum 'Sheila Collenette'

Rhododendron Species Selection

R. polycladum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

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R. polycladum Scintillans Group

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

R. polylepis

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Triflora

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R. 'Polynesian Girl'

Rhododendron Hybrid

R. 'Sweet Mystery' x R. 'Polynesian Sunset'

Hybridized By: Weeks, C.

R. 'Polynesian Sunset'

Rhododendron Hybrid

? x ?

Hybridized By: Whitney, William E.

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R. polyraphidoideum var montanum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. polyraphidoideum var polyraphidoideum

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Polārzvaigzne'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Kondratovičs, Rihard

R. 'Pom Pom'

Rhododendron Hybrid

R. 'Katrina' x R. 'Lem's Cameo'

Hybridized By: Thompson, W. & M.

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R. 'Pomegranate Splash'

Rhododendron Hybrid

R. 'Midnight Mystique' x R. 'Magenta Sky'

Hybridized By: Fujioka, Frank

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R. pomense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. 'Pomp'

Rhododendron Hybrid

R. 'Lem's Goal' x R. 'Skipper Hal'

Hybridized By: Stockman, M.

R. 'Pompadour'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

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R. pontica var autumnalis

Species

R. ponticum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Pontica

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R. ponticum 'Album'

Rhododendron Species Selection

Selected By: Lefevre

R. ponticum 'Aucubifolium'

Rhododendron Species Selection

R. ponticum 'Cheiranthifolium'

Rhododendron Species Selection

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R. ponticum 'Coerulescens'

Rhododendron Species Selection

Selected By: Loddiges, C. & Sons