Index

R. 'Princess Anne'

Rhododendron Hybrid

R. keiskei X R. hanceanum

Hybridized By: Reuthe, G. Ltd. Ightham, Kent, England, 1974

R. 'Princess Beatrice'

Vireya Hybrid

? X ?

Hybridized By: Unknown

R. 'Princess Debi Ann'

Rhododendron Hybrid

? X ?

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

R. 'Princess Elizabeth'

Rhododendron Hybrid

R. 'Bagshot Ruby' X ?

Hybridized By: Waterer (Bagshot). Surrey, England

R. 'Princess Elizabeth X smirnowii x yakushimanum'

Rhododendron Hybrid

R. 'Princess Elizabeth' X R. 'smirnowii x yakushimanum'

Hybridized By: Unknown

R. 'Princess Frederica'

Vireya Hybrid

? X ?

Hybridized By: Unknown

R. 'Princess Ida'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Princess in Pink'

Azalea Hybrid

? X ?

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

R. 'Princess Juliana'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Princess Margaretha'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Princess Maria Pia'

Azalea Hybrid

R. 'Tempérance' X R. 'Ambrosius Superbus'

Hybridized By: Wille, C.J. & Co, 1940

R. 'Princess Mary of Cambridge'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1865

R. 'Princess Michael of Kent'

Rhododendron Hybrid

? X ?

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 2010

R. 'Princess Royal'

Vireya Hybrid

R. jasminiflorum ssp jasminiflorum X R. javanicum ssp javanicum

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1850

R. 'Princess Susan'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Princesse d' Orange'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. principis

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. principis 'Far Horizon'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. principis 'Lost Horizon'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. prinophyllum

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. prinophyllum 'Marie Hoffman'

Azalea Species Selection

Selected By: unknown

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. prinophyllum 'Philip Holmes'

Rhododendron Species Selection

Selected By: Anne, Countess of Rosse and NT (Nymans), 1981

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. 'Prinses Máxima'

Rhododendron Hybrid

R. 'Goldkrone x yakushimanum X Cosmopolitan x Scintillation' X R. 'Whitney Tiger Lily'

Hybridized By: Huisman, T. Nijensleek, Netherlands

R. 'Prinz Karneval'

Rhododendron Hybrid

? X ?

Hybridized By: Robeneck, H.. Westerstede, Germany

R. 'Priscilla'

Rhododendron Hybrid

? X ?

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany

R. 'Prism'

Rhododendron Hybrid

R. 'Nancy Evans' X R. 'Tamarindos'

Hybridized By: Blansit, N. (Nolan). Cottage Grove, Oregon, USA, 2000

R. 'Prissy Missy'

Rhododendron Hybrid

R. 'Oh My!' X R. 'Indy Pink'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1966

R. 'Private First Class'

Rhododendron Hybrid

? X ?

Hybridized By: Tolstead, W.L.. Davis and Elkins College, Elkins, WV, USA

R. 'Prize'

Rhododendron Hybrid

R. 'Boule de Neige' X ?

Hybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1955

R. 'Prize'

Azalea Hybrid

? X ?

Hybridized By: Motzkau, 1975

R. 'Prizewinner'

Rhododendron Hybrid

R. maximum X R. 'Brookville x Mary Garrison'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1974

R. 'Prodigal'

Azalea Hybrid

R. 'Lilacinum x Willy' X R. 'Mrs Carmichael x Willy'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Professeur Wolters'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Professor Amateis'

Rhododendron Hybrid

R. 'Everestianum' X R. 'Van Nes Sensation'

Hybridized By: Amateis, Edmond. Brewster, New York, USA, 1955

R. 'Professor Doktor Drude'

Rhododendron Hybrid

? X ?

Hybridized By: Firma Seidel, 1894

R. 'Professor F. Bettex'

Rhododendron Hybrid

R. 'Doncaster' X R. 'Atrosanguineum'

Hybridized By: Unknown

R. 'Professor J.H. Zaaijer'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Professor Steen Olsen'

Rhododendron Hybrid

R. bureavii X ?

Hybridized By: Askjaer, S.A.. Spřttrup, Denmark, 1991

R. 'Progress'

Azalea Hybrid

R. mucronatum var mucronatum X R. 'Keisetsu'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Progrčs'

Rhododendron Hybrid

R. caucasicum X ?

Hybridized By: Unknown

R. proliferum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Prolific'

Rhododendron Hybrid

R. 'Newport' X R. 'Lee's Dark Purple'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1956

R. 'Prom Queen'

Rhododendron Hybrid

? X ?

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

R. 'Prometheus'

Rhododendron Hybrid

R. 'Michael Waterer' X R. 'Monitor'

Hybridized By: Unknown

R. 'Prometheus x forrestii Repens Group'

Rhododendron Hybrid

R. 'Prometheus' X R. forrestii Repens Group

Hybridized By: No hybridiser registered

R. 'Promise'

Rhododendron Hybrid

R. 'Kristin' X R. 'Madras'

Hybridized By: Smith, A.W.. Niagara Falls, Ontario, Canada, 1984

R. 'Promise of Spring'

Rhododendron Hybrid

R. strigillosum X ?

Hybridized By: Lofthouse, J.G.. Vancouver, British Columbia, Canada, 1973

R. 'Pronaya'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1844

R. pronum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. 'Proserpine'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1852

R. 'Prosper van den Dael'

Azalea Hybrid

R. 'Fred Sander' X R. 'Docteur Bergmann'

Hybridized By: Gijselinck, A., 1932