Index

R. 'Aurora'

Rhododendron Hybrid

R. smirnowii X R. 'C.S. Sargent'

Hybridized By: Scholz, J., 1961

R. 'Aurora'

Azalea Hybrid

? X ?

Hybridized By: Rothschild, Edmund Leopold de | Southampton | UK, 1947

R. 'Aurora'

Vireya Hybrid

R. 'Crown Princess of Germany' X R. javanicum ssp javanicum

Hybridized By: Unknown

R. 'Aurora Group'

Rhododendron Cultivar group

R. 'Kewense' X R. thomsonii ssp thomsonii

Hybridized By: Gill, Richards & Sons. Penryn, Cornwall, England, 1922

R. 'Aussie Witch'

Rhododendron Hybrid

R. 'C.I.S.' X R. 'Cheyenne'

Hybridized By: Ronken, H, 1995

R. 'Austin's Firecracker'

Rhododendron Hybrid

R. 'Red River' X R. 'John Paul II'

Hybridized By: Doppel,J.. Lenharstville, PA, USA, 2001

R. 'Austin's Gold'

Rhododendron Hybrid

R. 'Jawndice' X R. 'Early Light'

Hybridized By: Doppel,J.. Lenharstville, PA, USA, 2000

R. 'Australia II'

Vireya Hybrid

R. 'konori var phaeopeplum x lochiae X zoelleri' X

Hybridized By: Unknown

R. 'Australian Celebration'

Rhododendron Hybrid

R. 'Apricot Gold' X R. 'Lem's Cameo'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1986

R. 'Australian Gold'

Rhododendron Hybrid

R. 'Australian Sunset' X R. 'Apricot Ice'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1987

R. 'Australian Primrose'

Rhododendron Hybrid

? X ?

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1985

R. 'Australian Rainbow'

Rhododendron Hybrid

R. 'Freckle Pink' X R. 'Apricot Gold'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1984

R. 'Australian Sunrise'

Rhododendron Hybrid

? X ?

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1986

R. 'Australian Sunset'

Rhododendron Hybrid

R. 'Apricot Gold' X R. 'Lem's Cameo'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1985

R. austrinum

Species

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. 'Austrinum Gold'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. austrinum 'Greenville Gold'

Azalea Species Selection

Selected By: Dodd, W., 1985

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. austrinum 'Kate'

Azalea Species Selection

Selected By: Sommerville, E.A., 1987

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. austrinum 'Millie Mac'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. austrinum 'Moonbeam'

Azalea Species Selection

Selected By: Rhododendron Species Foundation, 1974

Subgenus: Pentanthera
Section: Pentanthera
Subsection: Pentanthera

R. 'austrinum x alabamense'

Azalea Hybrid

R. austrinum X R. alabamense

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

R. 'Autumn Beauty'

Azalea Hybrid

? X ?

Hybridized By: Lovegrove, F.

R. 'Autumn Berry Wine'

Vireya Hybrid

R. 'konori x laetum X commonae' X R. laetum

Hybridized By: Unknown

R. 'Autumn Gold'

Rhododendron Hybrid

R. fortunei ssp discolor X R. 'Fabia Group'

Hybridized By: van Veen, T. (includes Sr. & Junior). Portland, Oregon, USA, 1958

R. 'Autumn Splendor'

Rhododendron Hybrid

? X ?

Hybridized By: Newberry, P., 1980

R. 'Autumn Sunset'

Azalea Hybrid

? X ?

Hybridized By: Pericat, A., 1930

R. 'Avalanche'

Rhododendron Hybrid

R. 'Loderi Group' X R. calophytum var calophytum

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

R. 'Avalanche'

Azalea Hybrid

? X ?

Hybridized By: Davies, I | Ormskirk, Lancashire | England, 1898

R. 'Avalanche'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1920

R. 'Avalanche'

Azalea Hybrid

? X ?

Hybridized By: Coolidge Rare Plant gardens, 1930

R. 'Avalanche Group'

Rhododendron Cultivar group

R. 'Loderi Group' X R. calophytum var calophytum

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

R. 'Avalon'

Vireya Hybrid

R. 'Shasta' X R. aurigeranum ssp aurigeranum

Hybridized By: Unknown

R. 'Avenir'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Aviator'

Azalea Hybrid

X

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

R. 'Avita'

Azaleodendron Hybrid

R. occidentale X R. 'Margaret Dunn Group'

Hybridized By: Brandt, Lester E. | Tacoma, Washington | USA, 1958

R. 'Aviva Ann'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Mars'

Hybridized By: Brooks, A.R.. Concord, Massachusetts, USA

R. 'Avocet'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1958

R. 'Avocet Group'

Rhododendron Cultivar group

? X ?

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

R. 'Avondale'

Rhododendron Hybrid

R. 'Pygmalion x haematodes' X R. 'Wellfleet'

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1940

R. 'Avonsleigh'

Rhododendron Hybrid

? X ?

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia

R. 'Avram'

Rhododendron Hybrid

R. 'Girard Joshua' X R. 'Caroline'

Hybridized By: Hooper, J.D., 1992

R. 'Avril'

Rhododendron Hybrid

? X ?

Hybridized By: Mulligan, B.O.

R. 'Award'

Rhododendron Hybrid

R. 'Anna' X R. 'Margaret Dunn Group'

Hybridized By: James Delbert W.. Eugene, Oregon, USA, 1969

R. 'Awesome Array'

Rhododendron Hybrid

? X ?

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

R. 'Axel Tigerstedt'

Rhododendron Hybrid

R. brachycarpum ssp tigerstedtii X R. degronianum ssp degronianum

Hybridized By: Uosukainen, Marjatta, Dr. Mrs.. Laukaa, Finland, 2002

R. 'Axilena'

Rhododendron Hybrid

? X ?

Hybridized By: Stipe, W.A.. Glynneden Garden, Greenbank, Washington, USA

R. 'Aya-gorome'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1920

R. 'Aya-hime'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1938

R. 'Aya-kanmuri'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1918

R. 'Ayah Group'

Rhododendron Cultivar group

? X ?

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

R. 'Ayers Rock'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown