Rhododendron Index

R. 'Adamant'

Rhododendron Hybrid

R. 'Barclayi Group' x R. 'Werei'

Hybridized By: Harrison, E.G.W.W.

R. 'Adana'

Rhododendron Hybrid

R. 'fortunei x decorum ssp diaprepes' x R. arboreum ssp nilagiricum 'Noyo Chief'

Hybridized By: Goheen. Dr. David

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R. 'Adansonii'

Rhododendron Hybrid

? x ?

Hybridized By: Gheldolf, C.

R. 'Adder Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii x R. diphrocalyx

Hybridized By: Rothschild, L. de

R. 'Addisonii'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Jackson, T. & Son

R. 'Addy Wery'

Evergreen Azalea Hybrid

R. 'Suetsumu' x R. 'Malvaticum'

Hybridized By: Ouden den H. & Son

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R. 'Addy Wery x Mother's Day'

Evergreen Azalea Hybrid

R. 'Addy Wery' x R. 'Mother's Day'

R. 'Adeeno'

Rhododendron Hybrid

R. 'Frango' x R. 'Markeeta'

Hybridized By: Goheen. Dr. David

R. 'Adelaide'

Rhododendron Hybrid

R. 'Aurora' x R. thomsonii ssp thomsonii

Hybridized By: Rothschild, L. de

R. 'Adelaide'

Rhododendron Hybrid

? x ?

Hybridized By: Williams, B. S.

R. 'Adelaide'

Deciduous Azalea Hybrid

R. molle ssp molle x R. molle ssp japonicum

Hybridized By: Koster M. & Sons

R. 'Adelaide'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Dalličre, A.

R. 'Adelaide Group'

Rhododendron Cultivar group

R. 'Aurora' x R. thomsonii ssp thomsonii

Hybridized By: Rothschild, L. de

R. 'Adelaine Pope'

Evergreen Azalea Hybrid

R. 'Sherwood Red' x R. 'Ruffled Giant'

Hybridized By: North Carolina State University

R. 'Adele's Pink'

Rhododendron Hybrid

R. maximum x ?

Hybridized By: Fetterhoff, W.M.

R. 'Adele's Yellow'

Rhododendron Hybrid

R. maximum x R. wardii var wardii

Hybridized By: Fetterhoff, W.M.

R. 'Adeline Allison'

Rhododendron Hybrid

R. 'Wheatley' x R. 'Kimberly'

Hybridized By: Whitman, M.J.

R. 'Adelphia'

Rhododendron Hybrid

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

Hybridized By: Dexter, C.O.

R. 'Ademurasaki'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

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R. adenogynum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

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R. adenogynum Adenophorum Group

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. adenogynum 'Kirsty'

Rhododendron Species Selection

Selected By: Clarke, S.R.

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R. adenogynum 'Kristy'

Rhododendron Species Selection

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R. adenopodum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Argyrophylla

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R. adenosum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Glischra

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R. 'Adinda'

Evergreen Azalea Hybrid

R. 'Karl Glaser' x ?

Hybridized By: ISRIA

R. adinophyllum

Species

Subgenus: Rhododendron
Section: Discovireya

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R. 'Adjudant Group'

Rhododendron Cultivar group

R. neriiflorum ssp neriiflorum x R. sperabile var sperabile

Hybridized By: Rothschild, L. de

R. 'Adlo Group'

Rhododendron Cultivar group

R. 'Adonis' x R. 'Loderi Group'

Hybridized By: Aberconway, Lord

R. 'Admiraal de Ruyter'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Van Houtte, L. B. (Louis Benoit)

R. 'Admirable'

Rhododendron Hybrid

? x ?

Hybridized By: Belder de, R.

R. 'Admiral Piet Hein'

Rhododendron Hybrid

R. fortunei ssp fortunei 'Sir Charles Butler' x R. 'Halopeanum'

Hybridized By: Van Nes, C.B.

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R. 'Admiral Schley'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Petrick, C.

R. 'Admiral Tegetthoff'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Jusa

R. 'Admiral Tromp'

Deciduous Azalea Hybrid

R. 'Gandavense Group' x R. molle ssp japonicum

Hybridized By: Vuylsteke, C.

R. 'Admiral Vanessa'

Rhododendron Hybrid

? x ?

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R. 'Admiranda'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Schneider, F.

R. 'Admiration'

Rhododendron Hybrid

? x ?

Hybridized By: Waterer (Bagshot)

R. 'Admiration'

Evergreen Azalea Hybrid

R. indicum 'Lateritium' x R. indicum 'Iveryanum'

Hybridized By: Ivery, J.

R. 'Admiration'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Adolf'

Rhododendron Hybrid

R. catawbiense x ?

Hybridized By: Seidel, T.J.R.

R. 'Adolf Czullik'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Van Houtte, L. B. (Louis Benoit)

R. 'Adolf Grille'

Evergreen Azalea Hybrid

R. 'Ernst Thiers' x R. 'Hexe'

Hybridized By: Ambrosius, R.

R. 'Adolph Heineman'

Rhododendron Hybrid

R. 'Jasper Group' x R. 'Tally Ho Group'

Hybridized By: Seabrook, Cecil S.

R. 'Adolphe'

Evergreen Azalea Hybrid

? x ?

R. 'Adolphe'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Sunningdale Nursery

R. 'Adolphe d'Haene'

Rhododendron Hybrid

? x ?

Hybridized By: Firma Seidel

R. 'Adolphe d'Haene'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Camelia Grove Nursery

R. 'Adolphe de Vervaene'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Camelia Grove Nursery

R. 'Adolphe Papeleu'

Rhododendron Hybrid

? x ?

Hybridized By: Vervaene, J.