Index

R. 'Graham Holmes'

Rhododendron Hybrid

? X ?

Hybridized By: Holmes, A.G.

R. 'Graham Snell'

Vireya Hybrid

? X ?

Hybridized By: Snell, G.L.S.. Vireya Venue, Maleny, Queensland, Australia, 2008

R. 'Grains de Beauté'

Rhododendron Hybrid

R. 'Kernéostic' X R. 'Kilimanjaro Group'

Hybridized By: Colombel, Marc. Menez-Rohou, Fouesnant, France, 1992

R. 'Granat'

Azalea Hybrid

? X ?

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

R. 'Granatifolium'

Azalea Hybrid

? X ?

Hybridized By: Veitch & Sons, R. | Exeter, Devon | England, 1887

R. 'Grand Champ'

Rhododendron Hybrid

? X ?

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1976

R. 'Grand Duc de Luxembourg'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, L | Royghem (near Ghent) | Belgium, 1846

R. 'Grand Duc Michel'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1863

R. 'Grand Duke of Würtemberg'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Grand Jury'

Rhododendron Hybrid

R. macabeanum X ?

Hybridized By: Holland B., New Zealand, 1960

R. 'Grand Marquis'

Rhododendron Hybrid

R. macabeanum X ?

Hybridized By: Holland B., New Zealand, 1960

R. 'Grand Monarch'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1862

R. 'Grand Monarque'

Azalea Hybrid

? X ?

Hybridized By: Noble, C. | Standish & Noble, Bagshot, Surrey | England, 1855

R. 'Grand Mystery'

Rhododendron Hybrid

R. macabeanum X ?

Hybridized By: Marchant, H., 1988

R. 'Grand Parade'

Rhododendron Hybrid

? X ?

Hybridized By: Tolstead, W.L.. Davis and Elkins College, Elkins, WV, USA, 1965

R. 'Grand Prix'

Rhododendron Hybrid

R. grande X R. falconeri ssp eximium

Hybridized By: Heneage-Vivian, A.W., 1940

R. 'Grand Prix Group'

Rhododendron Cultivar group

R. grande X R. falconeri ssp eximium

Hybridized By: Heneage-Vivian, A.W., 1940

R. 'Grand Recital'

Rhododendron Hybrid

R. 'Mindy's Love' X R. 'Jessie's Song'

Hybridized By: Barlup, Jim. Bellevue, USA, 1999

R. 'Grand Sight'

Rhododendron Hybrid

R. fortunei ssp fortunei X R. 'Maxecat'

Hybridized By: Holmsomback, O., 1996

R. 'Grand Slam'

Rhododendron Hybrid

R. 'Trude Webster' X R. 'Lydia'

Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1982

R. 'Grand Teton'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X ?

Hybridized By: Clarke, George.W.. Portland Oregon, USA, 1991

R. 'Grand-Duc de Bade'

Rhododendron Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander). Ghent, Belgium, 1867

R. 'Grandam'

Azalea Hybrid

? X ?

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

R. grande

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Grandia

R. 'Grandee'

Azalea Hybrid

? X ?

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

R. 'Grandex Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales

R. 'Grandezza'

Rhododendron Hybrid

R. 'Furnivall's Daughter' X R. 'Roseum Elegans'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1969

R. 'Grandiflorum'

Azalea Hybrid

? X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1826

R. 'Grandiflorum'

Azalea Hybrid

? X ?

Hybridized By: Loddiges, C. & Sons | Hackney, London | England, 1826

R. 'Grandiflorum'

Azalea Hybrid

? X ?

Hybridized By: Leroy, A. | Angers | France, 1868

R. 'Grandiflorum'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1849

R. 'Grandiflorum Album'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1898

R. 'Grandiflorum Augusta'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1874

R. 'Grandiflorum Maculatum'

Azalea Hybrid

? X ?

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

R. 'Grandiflorum Plenum'

Rhododendron Hybrid

R. ponticum X ?

Hybridized By: Dalibon, 1845

R. 'Grandiflorum Rubrum'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1856

R. 'Grandiflorum Spectabile'

Azalea Hybrid

? X ?

Hybridized By: Leroy, L., 1868

R. 'Grandios'

Rhododendron Hybrid

? X ?

Hybridized By: Schmalscheidt, W., 1980

R. 'Grandissimum'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1871

R. 'Grandma Barbara'

Rhododendron Hybrid

R. macrophyllum X ?

Hybridized By: , 1972

R. 'Grandma Cleveland'

Azalea Hybrid

R. 'Christina' X R. 'Shinnyo-no-tsuki'

Hybridized By: Clagett, W.L. (Buck) | USA | Derwood, Maryland, 1989

R. 'Grandma Larson'

Rhododendron Hybrid

R. 'Fusilier Group x strigillosum' X R. 'Gina'

Hybridized By: McClure, D.K., 1965

R. 'Grandma Mathilda'

Rhododendron Hybrid

R. 'Watchung' X R. minus Carolinianum Group

Hybridized By: Yavorsky, L.. Freehold, New Jersey, USA, 1966

R. 'Grandma's Hat'

Rhododendron Hybrid

? X ?

Hybridized By: Smith, B.M.. Brittenhill Nursery, Kent, WA, USA, 1976

R. 'Grandville'

Azalea Hybrid

? X ?

Hybridized By: van Geert, A., 1853

R. 'Granny Cee'

Azalea Hybrid

X ?

Hybridized By: Clagett, W.L. (Buck) | USA | Derwood, Maryland, 1989

R. 'Grant'

Rhododendron Hybrid

R. 'Purple Splendour' X R. 'Kammer's Ruffles'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1983

R. 'Grape Jam'

Rhododendron Hybrid

R. minus Carolinianum Group 'Achiever' X R. fastigiatum

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

R. 'Grape Leopard'

Rhododendron Hybrid

? X ?

Hybridized By: Smith, A.W.. Niagara Falls, Ontario, Canada, 1989

R. 'Grapefruit'

Rhododendron Hybrid

R. 'Chaste Group' X R. wardii Litiense Group

Hybridized By: Embley Park. (J.J. Crossfield), Hampshire, England, 1948

R. 'Grapewine'

Rhododendron Hybrid

? X R. 'Purple Splendour'

Hybridized By: Holmsomback, O., 1989