Index

R. 'Rose Queen'

Azalea Hybrid

? X ?

Hybridized By: Bobbink & Atkins | East Rutherford, New Jersey | USA, 1925

R. 'Rose Red'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Rose Ruffles'

Azalea Hybrid

? X ?

Hybridized By: Arneson, Ivan & Robertha | Arneson Nursery, Canby, Oregon | USA

R. 'Rose Scott'

Rhododendron Hybrid

R. 'Else Frye' X R. 'johnstoneanum x veitchianum'

Hybridized By: Scott, R.W., 1975

R. 'Rose Soufflé'

Azalea Hybrid

? X ?

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

R. 'Rose Splendour'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Rose Tango'

Rhododendron Hybrid

R. 'Crimson Constellation' X R. 'Plum Passion'

Hybridized By: Barlup, Jim. Bellevue, USA, 2002

R. 'Roseate'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. roseatum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Maddenia

R. 'Rosebud'

Azalea Hybrid

? X ?

Hybridized By: Chisholm, J.J., 1934

R. 'Rosebud'

Azalea Hybrid

R. 'Louise Gable' X R. 'Caroline Gable'

Hybridized By: Gable, J.B. | Stewartstown, Pennsylvania | USA, 1938

R. 'Rosefinch'

Rhododendron Hybrid

R. 'Bella' X R. griersonianum

Hybridized By: Unknown

R. 'Rosefinch Group'

Rhododendron Cultivar group

? X ?

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

R. roseiflorum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Roselight'

Azalea Hybrid

? X ?

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

R. 'Roselind Gable'

Azalea Hybrid

? X ?

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

R. 'Rosella'

Azalea Hybrid

R. occidentale X ?

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

R. 'Rosella Beckwith'

Rhododendron Hybrid

X

Hybridized By: , 1989

R. 'Roselyn'

Rhododendron Hybrid

? X ?

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

R. rosendahlii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Rosette'

Azalea Hybrid

? X ?

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

R. 'Roseum Elegans'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Waterer, H. (Knaphill). Woking, Surrey (Knaphill), UK, 1851

R. 'Roseum Elegans'

Azalea Hybrid

? X ?

Hybridized By: Ivery, J., 1846

R. roseum f albidum

Species

R. 'Roseum Flavum'

Azalea Hybrid

? X ?

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

R. 'Roseum Magnum'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Roseum Monstruosum'

Rhododendron Hybrid

? X ?

Hybridized By: Leroy, A.. Angers, France

R. 'Roseum Novum'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England

R. 'Roseum Novum'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1844

R. 'Rosewine'

Rhododendron Hybrid

R. 'Independence Day' X R. 'Plum High'

Hybridized By: Barlup, Jim. Bellevue, USA, 1994

R. 'Rosie Posie'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Rosilac'

Rhododendron Hybrid

? X ?

Hybridized By: Hübbers, K-H.. Kranenburg, Germany, 1993

R. 'Rosinetta'

Azalea Hybrid

? X ?

Hybridized By: Hachmann, Hans | Barmstedt in Holstein | Germany, 1993

R. 'Roslyn'

Rhododendron Hybrid

R. catawbiense 'Purpureum Elegans' X R. 'Everestianum'

Hybridized By: Vossberg, P.D.. Westbury Rose Co., Long Island, New York, USA, 1973

R. 'Roslyn x Purple Lace'

Rhododendron Hybrid

R. 'Roslyn' X R. 'Purple Lace'

Hybridized By: Brack, W. (Werner). St. James, New York, USA, 2002

R. 'Ross L'

Rhododendron Hybrid

? X ?

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

R. 'Ross Maud'

Rhododendron Hybrid

R. 'Fusilier Group' X R. 'Unique'

Hybridized By: Bramley, A.C.. Kallista, Victoria, Australia, 1970

R. 'Rossellini'

Rhododendron Hybrid

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

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1973

R. 'Rosy Bell'

Rhododendron Hybrid

R. ciliatum X R. glaucophyllum var glaucophyllum

Hybridized By: Davies, I. Ormskirk, Lancashire, England, 1894

R. 'Rosy Chimes'

Vireya Hybrid

R. macgregoriae X R. gracilentum

Hybridized By: Unknown

R. 'Rosy Cream'

Rhododendron Hybrid

? X ?

Hybridized By: UK, No hybridizer registered, 1992

R. 'Rosy Dream'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Britannia'

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1975

R. 'Rosy Future'

Rhododendron Hybrid

? X ?

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1984

R. 'Rosy Lights'

Azalea Hybrid

R. prinophyllum X R. kosterianum

Hybridized By: Pellet, H. | University of Minnesota Landscape Arboretum | USA, 1957

R. 'Rosy Morn'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Rosy Morn'

Vireya Hybrid

R. multicolor X ?

Hybridized By: Unknown

R. 'Rotauge'

Rhododendron Hybrid

R. wardii var wardii X R. 'Souldis Group'

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1988

R. 'Rotbäkchen'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Britannia'

Hybridized By: Horstman, G., 1975

R. 'Roter Samurai'

Rhododendron Hybrid

? X ?

Hybridized By: Reich, W., 1990

R. 'Rotgold'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Rotgold x Amaretto'

Rhododendron Hybrid

R. 'Rotgold' X R. 'Amaretto'

Hybridized By: No hybridiser registered