Index

R. 'Afghan'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1933

R. 'Afghan Chief'

Rhododendron Hybrid

? X ?

Hybridized By: Davies, I. Ormskirk, Lancashire, England, 1884

R. afghanicum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Afghanica

R. 'Aflame'

Rhododendron Hybrid

R. 'China Boy' X R. 'Charles Dickens x Mars'

Hybridized By: Looye, Jack. Niagara on the Lake, Ontario, Canada, 1988

R. 'African Queen'

Vireya Hybrid

R. 'Doctor Hermann Sleumer' X R. 'laetum x aurigeranum'

Hybridized By: Clancy, B., 1988

R. 'After All'

Azalea Hybrid

R. cumberlandense X R. arborescens

Hybridized By: Carlson's Gardens | (Bob & Janice Carlson), South Salem, New York | USA, 1992

R. 'Afterglow'

Rhododendron Hybrid

R. fortunei ssp discolor X ?

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1931

R. 'Afterglow'

Azalea Hybrid

R. 'Mrs Carmichael' X ?

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

R. 'Afternoon Delight'

Azalea Hybrid

R. 'Crimson Queen' X R. 'Eiko'

Hybridized By: Vines,R.C. | Amelia Island, Florida | USA, 1997

R. 'Agadir'

Rhododendron Hybrid

R. 'Koichiro Wada'' X R. 'Marrakesch'

Hybridized By: Guyens, H.J.A., 1994

R. 'Agamemnon'

Rhododendron Hybrid

? X ?

Hybridized By: Pince, R.T., 1868

R. 'Agamemnon'

Rhododendron Hybrid

? X ?

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

R. 'Agamemnon'

Azalea Hybrid

? X ?

Hybridized By: van Geert, C., 1877

R. 'Agamujin'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration

R. aganniphum var aganniphum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. aganniphum var aganniphum Glaucoplepum Group

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. aganniphum var flavorufum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. 'Agape'

Rhododendron Hybrid

? X ?

Hybridized By: Noble, C.. Standish & Noble, Bagshot, Surrey, England, 1862

R. agastum

Natural Hybrid

R. irroratum ssp irroratum X R. arboreum ssp delavayi var delavayi

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. agastum var pennivenium

Species

R. 'Agate Pass Jewell'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X ?

Hybridized By: Nelson, B.. Squamish, Washington, USA, 1965

R. 'Agateen'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Henriette Sargent'

Hybridized By: Arsen, F.A.. Lindenhurst, Long Island, New York, USA, 1969

R. 'Agatha'

Azalea Hybrid

? X ?

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

R. 'Agathe'

Azalea Hybrid

? X ?

Hybridized By: Jacob-Makoy, L. | Liege/Luik | Belgium, 1851

R. 'Agathe Pallidum'

Azalea Hybrid

? X ?

Hybridized By: Jacob-Makoy, L. | Liege/Luik | Belgium, 1851

R. agathodaemonis

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Agayon'

Rhododendron Hybrid

R. 'Polar Bear' X ?

Hybridized By: Unknown

R. 'Ageeth'

Azalea Hybrid

? X ?

Hybridized By: Hooftman, H.J.

R. 'Agemaki'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1918

R. 'Ageromata'

Azalea Hybrid

? X ?

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

R. 'Agger'

Azalea Hybrid

R. 'Noordtianum' X ?

Hybridized By: Arends, G. | Wuppertal | Germany, 1914

R. 'Aggie'

Rhododendron Hybrid

R. 'Cynthia' X R. 'Purple Splendour'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1986

R. 'Aglaia'

Rhododendron Hybrid

? X ?

Hybridized By: Standish, J.. Bagshot, Surrey, England, 1870

R. 'Aglare'

Rhododendron Hybrid

R. 'Arthur Osborn' X R. 'Rapture Group'

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1947

R. 'Agleam'

Rhododendron Hybrid

R. 'Arthur Osborn' X R. 'Isabella Group'

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1954

R. 'Aglow'

Rhododendron Hybrid

R. decorum ssp diaprepes X R. 'Arthur Osborn'

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1954

R. 'Agnes'

Rhododendron Hybrid

R. griersonianum X R. 'Norman Gill'

Hybridized By: Swaythling, Lord. Bridley Manor, Worplesdon, Surrey, England, 1943

R. 'Agnes'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1918

R. 'Agnes'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1845

R. 'Agnes'

Vireya Hybrid

R. konori var konori X R. 'Pink Delight x jasminiflorum'

Hybridized By: Sullivan, P., 1983

R. 'Agnes Beaufort'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Mangles James Henry. Valewood, England, 1884

R. 'Agnes Gault'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1980

R. 'Agnes Harvey'

Azalea Hybrid

? X ?

Hybridized By: Harvey, Mr & Mrs F.W., 1962

R. 'Agnes Lamont Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Edinburgh, R.B.G., 1939

R. 'Agnes Mangles'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Mangles James Henry. Valewood, England, 1884

R. 'Agnes Neale'

Azalea Hybrid

? X ?

Hybridized By: Lovegrove, F., 1966

R. 'Agnes Wallace'

Rhododendron Hybrid

? X ?

Hybridized By: , 1905

R. 'Agnese Pallavicino'

Azalea Hybrid

? X ?

Hybridized By: Gardeners of Villa Pallavicino, 1900

R. 'Agricola Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Methven, T. & Son. Edinburgh, Scotland, 1958

R. 'Ahren's Farourite'

Rhododendron Hybrid

? X ?

Hybridized By: UK, No hybridizer registered, 1994

R. 'Ai-no-tomo'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered, 1958