Index

R. 'Borbonii'

Azalea Hybrid

? X ?

Hybridized By: Jacob-Makoy, L. | Liege/Luik | Belgium, 1849

R. 'Borde Hill'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Bordeaux'

Rhododendron Hybrid

? X ?

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

R. 'Bordüre'

Rhododendron Hybrid

R. 'Hachmann's Charmant' X R. 'Schneespiegel'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1990

R. 'Born Winner'

Rhododendron Hybrid

R. 'Goody Goody' X R. 'Anna Delp'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1977

R. borneense ssp angustissimum

Species

Subgenus: Rhododendron
Section: Discovireya

R. borneense ssp borneense

Species

Subgenus: Rhododendron
Section: Discovireya

R. borneense ssp villosum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Borneo'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Boskoop Concorde'

Rhododendron Hybrid

R. 'Antoon van Welie' X R. 'Max Sye'

Hybridized By: Van Nes, Adriaan. Boskoop, Netherlands, 1965

R. 'Boskoop Ostara'

Rhododendron Hybrid

R. mucronulatum var mucronulatum X R. dauricum

Hybridized By: Verboom, K.W., 1990

R. 'Bosley Red'

Rhododendron Hybrid

? X ?

Hybridized By: Bosley, P.R.. Bosley Nursery Co., Mentor, Ohio, USA

R. 'Bosutch'

Rhododendron Hybrid

X R. sutchuenense

Hybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1933

R. 'Bosutch Pink'

Rhododendron Hybrid

? X ?

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

R. 'Boudoir'

Azalea Hybrid

? X ?

Hybridized By: Gable, J.B. | Stewartstown, Pennsylvania | USA, 1958

R. 'Boudoir x Purple Triumph'

Azalea Hybrid

R. 'Boudoir' X R. 'Purple Triumph'

Hybridized By: No hybridiser registered

R. 'Boule D'Or'

Vireya Hybrid

X R. javanicum ssp teysmannii

Hybridized By: Unknown

R. 'Boule de Neige'

Rhododendron Hybrid

R. caucasicum X ?

Hybridized By: Oudin. Lisieux, France, 1878

R. 'Boule de Neige x macabeanum'

Rhododendron Hybrid

X R. macabeanum

Hybridized By: Unknown

R. 'Boule de Rose'

Rhododendron Hybrid

? X R. 'Boule de Neige'

Hybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1961

R. 'Boulodes'

Rhododendron Hybrid

R. 'Boule de Neige' X R. 'Loderi Group'

Hybridized By: Nearing, G.G.. Ramsey, NJ, USA, 1963

R. 'Boulter's Cream'

Rhododendron Hybrid

? X ?

Hybridized By: Boulter, F.

R. 'Boulter's Dainty Lass'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Boulter's Pink Gem'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Boulter's Pink Lights'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Boulter's Robyn'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Bounty'

Rhododendron Hybrid

R. calophytum var calophytum X R. fortunei ssp fortunei

Hybridized By: France, 1967

R. 'Bouquet d'Orange'

Azalea Hybrid

? X ?

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1876

R. 'Bouquet de Flore'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England

R. 'Bouquet de Flore'

Azalea Hybrid

? X ?

Hybridized By: Ivery, J., 1857

R. 'Bouquet de Flore'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1864

R. 'Bouquet de Noble'

Rhododendron Hybrid

? X ?

Hybridized By: Vervaene, J.. Ledeberg, near Ghent, Belgium, 1864

R. 'Bouton d'Oranger'

Azalea Hybrid

R. 'Apollo' X R. 'Spit Fire'

Hybridized By: de Meyer, E., 1933

R. 'Bovee's White Water'

Rhododendron Hybrid

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

Hybridized By: Bovee Robert M.. Oswego, Oregon, USA, 1976

R. 'Bow Bells'

Rhododendron Hybrid

R. 'Corona' X R. williamsianum

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1934

R. 'Bow Bells Group'

Rhododendron Cultivar group

R. 'Corona' X R. williamsianum

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1934

R. 'Bowie'

Rhododendron Hybrid

R. minus var chapmanii X R. minus var minus

Hybridized By: Skinner, H.T., 1957

R. 'Bowman'

Azalea Hybrid

R. 'Osakazuki' X R. 'Flame'

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

R. 'Boylei'

Rhododendron Hybrid

? X ?

Hybridized By: Knight & Perry. (J. Knight & T. A. Perry), Exotic Nursery, Chelsea, London, England, 1850

R. 'Brachy Crest'

Rhododendron Hybrid

R. brachycarpum ssp brachycarpum X R. 'Crest'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1986

R. brachyanthum ssp brachyanthum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Glauca

R. brachyanthum ssp brachyanthum 'Jaune'

Rhododendron Species Selection

Selected By: Ingram, C. , Benenden, Kent , England, 1967

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Glauca

R. brachyanthum ssp hypolepidotum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Glauca

R. brachyanthum ssp hypolepidotum 'Blue Light'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Glauca

R. brachycarpum

Species

R. brachycarpum ssp brachycarpum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Pontica

R. brachycarpum ssp brachycarpum f fauriei

Species

R. brachycarpum ssp brachycarpum 'Montanum'

Rhododendron Species Selection

Selected By: Hobbie, Dietrich G. , Westerstede/Linswege , Germany, 1961

Subgenus: Hymenanthes
Section: Pontica
Subsection: Pontica

R. 'brachycarpum ssp brachycarpum x Goldsworth Orange'

Rhododendron Hybrid

R. brachycarpum ssp brachycarpum f fauriei X

Hybridized By: No hybridiser registered

R. brachycarpum ssp fauriei

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Pontica

R. brachycarpum ssp fauriei f nematoanum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Pontica