Index

R. 'John Paul II'

Rhododendron Hybrid

R. 'Mars' X R. 'The Honourable Jean Marie de Montague x Cheer'

Hybridized By: Minahan, J.F., 1971

R. 'John T. Meagher'

Rhododendron Hybrid

R. brachycarpum ssp tigerstedtii X R. 'Mrs T H Lowinsky'

Hybridized By: Hinton, D.N., 1986

R. 'John Tremayne'

Rhododendron Hybrid

R. arboreum ssp arboreum X R. griffithianum

Hybridized By: Tremayne, J., 1920

R. 'John Walter'

Rhododendron Hybrid

R. catawbiense X R. arboreum ssp arboreum

Hybridized By: Waterer (Bagshot). Surrey, England, 1860

R. 'John Waterer'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1857

R. 'John Willis Fleming'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'John Winberg'

Rhododendron Hybrid

R. 'Mrs Donald G. Graham x Purple Splendour' X R. 'Blue Hawaii'

Hybridized By: Watson, E.M. Mrs. (Elsie). Kirkland, WA, USA, 1999

R. 'John's Flare'

Rhododendron Hybrid

R. 'Capistrano' X R. 'Furnivall's Daughter'

Hybridized By: Doppel,J.. Lenharstville, PA, USA, 2004

R. 'John's Lavender Haze'

Rhododendron Hybrid

R. 'Minnetonka' X R. 'Smokey'

Hybridized By: Doppel,J.. Lenharstville, PA, USA, 2006

R. 'Johnny Bender'

Rhododendron Hybrid

R. 'The Honourable Jean Marie de Montague' X R. 'Indiana Group'

Hybridized By: Unknown

R. 'Johnny Mack'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia

R. johnstoneanum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. johnstoneanum 'Demi-John'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. johnstoneanum 'Double Diamond'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners , Windsor, Berkshire , England, 1962

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. johnstoneanum 'Rubeotinctum'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. 'johnstoneanum x Chrysomanicum Group'

Rhododendron Hybrid

R. johnstoneanum X R. 'Chrysomanicum Group'

Hybridized By: No hybridiser registered

R. 'johnstoneanum x veitchianum'

Rhododendron Hybrid

R. johnstoneanum X R. veitchianum

Hybridized By: No hybridiser registered

R. 'Joker's Wild'

Rhododendron Hybrid

R. 'Sun Stream' X R. 'Hill's Low Red'

Hybridized By: Barlup, Jim. Bellevue, USA, 2005

R. 'Jolanta'

Azalea Hybrid

? X ?

Hybridized By: Kondratovičs, Rihard | Riga | Latvia

R. 'Jolie Madame'

Azalea Hybrid

R. 'viscosum x Koster's Brilliant Red' X R. 'Satan'

Hybridized By: Boskoop | Research Center fo Arboreus Crops | Netherlands, 1971

R. 'Jolly Good'

Rhododendron Hybrid

? X ?

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

R. 'Jolly Madam'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Jolly Roger'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Jon-Jon'

Rhododendron Hybrid

? X ?

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

R. 'Jonathan Bryce'

Rhododendron Hybrid

R. 'Blue Peter' X R. 'White Dimples'

Hybridized By: Doppel,J.. Lenharstville, PA, USA, 1994

R. 'Jonathan Shaw'

Rhododendron Hybrid

R. 'Melanie Shaw' X R. 'Brenda Lee'

Hybridized By: Leonard, 1981

R. 'Jonathon'

Azalea Hybrid

? X ?

Hybridized By: Smith, W.D. | Spring Grove, Pennsylvania | USA

R. joniense

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

R. 'Jonquil Yellow'

Azalea Hybrid

? X ?

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

R. 'Jordan Group'

Rhododendron Cultivar group

? X ?

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

R. 'Joseph Brueckner'

Rhododendron Hybrid

R. brachycarpum ssp tigerstedtii X R. arboreum ssp cinnamomeum

Hybridized By: Brueckner, J.B.. Mississauga, Ontario, Canada, 1978

R. 'Joseph Dunn'

Rhododendron Hybrid

R. minus var minus X R. racemosum

Hybridized By: Lewis, G.D. Montpelier, Vermont, USA, 1972

R. 'Joseph Gable'

Rhododendron Hybrid

? X ?

Hybridized By: Pride, O.S.. Butler, Pennsylvania, USA, 1958

R. 'Joseph Gary Fetterhoff'

Rhododendron Hybrid

? X ?

Hybridized By: Fetterhoff, W.M.. Gibsonia, Pennsylvania, USA

R. 'Joseph Haydn'

Azalea Hybrid

R. mucronatum var mucronatum X R. 'J.C. van Tol'

Hybridized By: Vuyk van Nes, 1938

R. 'Joseph Hill'

Azalea Hybrid

R. nakaharae X R. 'W. Leith'

Hybridized By: Rokujo, T. | Tokyo | Japan, 1961

R. 'Joseph Napoleon Baumann'

Azalea Hybrid

? X ?

Hybridized By: Baumann, J. | Ghent | Belgium, 1869

R. 'Joseph Whitworth'

Rhododendron Hybrid

R. ponticum X ?

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

R. 'Josephine'

Rhododendron Hybrid

? X ?

Hybridized By: Veitch & Sons, R.. Exeter, Devon, England, 1867

R. 'Josephine'

Azalea Hybrid

? X ?

Hybridized By: Haerens, J., 1928

R. 'Josephine Coleman'

Azalea Hybrid

? X ?

Hybridized By: Gartrell, R. D. | Highland Farms, Black Mountain, North Carolina | USA

R. 'Josephine Everitt'

Rhododendron Hybrid

? X ?

Hybridized By: Dexter, C.O.. Sandwich, MA, USA

R. 'Josephine Gordon'

Rhododendron Hybrid

? X ?

Hybridized By: Rouse, J.L.. Toorak, Victoria, Australia, 1980

R. 'Josephine Gordon'

Vireya Hybrid

R. stenophyllum ssp stenophyllum X R. commonae

Hybridized By: Unknown

R. 'Josephine Group'

Rhododendron Cultivar group

? X ?

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

R. 'Josephine Kaye'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia

R. 'Josephine Klinger'

Azalea Hybrid

? X ?

Hybridized By: Baumann, J. | Ghent | Belgium, 1869

R. 'Josephine V. Cary'

Rhododendron Hybrid

? X ?

Hybridized By: Cary, E.A., 1969

R. 'Josi'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia

R. 'Journey'

Rhododendron Hybrid

R. 'Mindy's Love' X R. 'Mesquite'

Hybridized By: Barlup, Jim. Bellevue, USA, 1990

R. 'Joy of David'

Azalea Hybrid

? X ?

Hybridized By: Smith, W.D. | Spring Grove, Pennsylvania | USA