Index

R. 'dichroanthum ssp scyphocalyx x griersonianum'

Rhododendron Hybrid

R. dichroanthum ssp scyphocalyx X R. griersonianum

Hybridized By: No hybridiser registered

R. 'dichroanthum ssp scyphocalyx x kyawii'

Rhododendron Hybrid

R. dichroanthum ssp scyphocalyx X R. kyawii

Hybridized By: No hybridiser registered

R. dichroanthum ssp septentrionale

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Neriiflora

R. 'dichroanthum X fortunei ssp discolor x campylocarpum'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. 'fortunei ssp discolor x campylocarpum'

Hybridized By: No hybridiser registered

R. 'dichroanthum X griffithianum x auriculatum'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. 'griffithianum x auriculatum'

Hybridized By: No hybridiser registered

R. 'dichroanthum x neriiflorum'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. neriiflorum ssp neriiflorum

Hybridized By: No hybridiser registered

R. 'dichroanthum x neriiflorum X Fabia Group'

Rhododendron Hybrid

R. 'dichroanthum x neriiflorum' X R. 'Fabia Group'

Hybridized By: No hybridiser registered

R. 'dichroanthum x proteoides'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. proteoides

Hybridized By: Unknown

R. 'dichroanthum X wardii x decorum'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. 'wardii x decorum'

Hybridized By: No hybridiser registered

R. 'dichroanthum x yakushimanum'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. degronianum ssp yakushimanum

Hybridized By: No hybridiser registered

R. 'Dichrofab'

Rhododendron Hybrid

? X ?

Hybridized By: Reuthe, G. Ltd. Ightham, Kent, England, 1940

R. 'Dick'

Rhododendron Hybrid

? X ?

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

R. 'Dick Brooks'

Rhododendron Hybrid

X R. degronianum ssp yakushimanum

Hybridized By: Patterson, C., 1989

R. 'Dick Crabeth'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Dick Leonard'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Dick Redfield'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Caroline'

Hybridized By: Mehlquist, G.A.L. Storrs, Connecticut, USA, 1970

R. 'Dick West'

Azalea Hybrid

? X ?

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

R. 'Dickens'

Rhododendron Hybrid

? X ?

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

R. 'Dickensii'

Rhododendron Hybrid

? X ?

Hybridized By: Knight & Perry. (J. Knight & T. A. Perry), Exotic Nursery, Chelsea, London, England, 1850

R. 'Dicki'

Azalea Hybrid

? X ?

Hybridized By: Germany

R. 'Dictator'

Rhododendron Hybrid

? X ?

Hybridized By: Waterer (Bagshot). Surrey, England

R. 'Dictator'

Rhododendron Hybrid

? X ?

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

R. 'Dido'

Rhododendron Hybrid

R. dichroanthum ssp dichroanthum X R. decorum ssp decorum

Hybridized By: Wilding, E. H.. Stoke Poges, Buckinghamshire, UK, 1934

R. 'Dido Group'

Rhododendron Cultivar group

R. dichroanthum ssp dichroanthum X R. decorum ssp decorum

Hybridized By: Wilding, E. H.. Stoke Poges, Buckinghamshire, UK, 1934

R. 'Dido Group x Lem's Goal'

Rhododendron Hybrid

R. 'Dido Group' X R. 'Lem's Goal'

Hybridized By: No hybridiser registered

R. 'Diehard'

Rhododendron Hybrid

? X ?

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

R. 'Dielieb'

Rhododendron Hybrid

? X ?

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

R. dielsianum var dielsianum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. dielsianum var stylotrichum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Diemel'

Azalea Hybrid

? X ?

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

R. 'Dieter'

Rhododendron Hybrid

? X ?

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

R. 'Dietmar'

Rhododendron Hybrid

? X ?

Hybridized By: Seidel, T.J.. Dresden, Germany

R. 'Dietrich'

Rhododendron Hybrid

R. 'Mrs Millner' X R. smirnowii

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1894

R. dignabile

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. dilatatum

Species

Subgenus: Tsutsusi
Section: Brachycalyx

R. dilatatum var boreale

Species

R. 'Dilemma'

Rhododendron Hybrid

? X ?

Hybridized By: Consolini, A.. Heritage Plantation, 1980

R. 'Dilly Dally'

Rhododendron Hybrid

? X ?

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

R. dimitrum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. 'Dimity Group'

Rhododendron Cultivar group

R. 'F.C. Puddle Group' X R. 'Penjerrick Group'

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1932

R. 'Dimsdale'

Azalea Hybrid

R. 'Nellie' X R. 'Opal'

Hybridized By: Reid, G.A., 1975

R. 'Dink'

Azalea Hybrid

R. 'Linwood Lavender' X R. 'Mania'

Hybridized By: Clagett, W.L. (Buck) | USA | Derwood, Maryland, 1991

R. 'Dinos'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Dinty Moores'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Purple Splendour'

Hybridized By: Rhodes, R.C.. Gabriola Island, BC, Canada, 1980

R. 'Diny Dee'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Dione Group'

Rhododendron Cultivar group

R. neriiflorum ssp neriiflorum X R. 'Cornsutch Group'

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1924

R. 'Diorama'

Azalea Hybrid

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

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

R. 'Diphole Pink'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Waterer John, Sons & Crisp. Bagshot, Surrey, UK, 1916

R. diphrocalyx

Natural Hybrid

R. habrotrichum X ?

Subgenus: Hymenanthes
Section: Pontica
Subsection: Glischra

R. 'Diploma'

Rhododendron Hybrid

? X ?

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

R. 'Diplomat'

Rhododendron Hybrid

? X ?

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