Rhododendron Index

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R. 'Honneur de Flandre' Deciduous Azalea Hybrid ? x ? Hybridized By: Sunningdale Nursery More information and pictures
R. 'Honsu’s Baby' Rhododendron Hybrid R. keiskei var ozawae 'Yaku Fairy' x R. scabrifolium var spiciferum Hybridized By: Spady, H.A. More information and pictures
R. 'Hoo Loo' Vireya Hybrid ? x ? More information and pictures
R. hookeri Species Subgenus: Hymenanthes Section: Pontica Subsection: Thomsonia More information and pictures
R. 'Hope Findlay' Rhododendron Hybrid R. 'Loderi Group x Earl of Athlone' x R. 'Creeping Jenny' Hybridized By: Crown Estate Commissioners More information and pictures
R. 'Hoppy' Rhododendron Hybrid R. degronianum ssp yakushimanum x R. 'Doncaster' Hybridized By: Waterer (Bagshot) More information and pictures
R. horaeum Species Subgenus: Hymenanthes Section: Pontica Subsection: Neriiflora More information and pictures
R. 'Horizon Dawn' Rhododendron Hybrid ? x ? Hybridized By: Brockenbrough, E.C More information and pictures
R. 'Horizon Fiesta' Rhododendron Hybrid R. 'Hotei x Koichiro Wada' x R. 'Whopper x Lem's Cameo' Hybridized By: Brockenbrough, E.C More information and pictures
R. 'Horizon Garnet' Rhododendron Hybrid R. Anna x R. Kilimanjaro Group Hybridized By: Brockenbrough, E.C More information and pictures
R. 'Horizon Lakeside' Rhododendron Hybrid R. 'Nancy Evans x Lem's Cameo' x R. 'Skipper' Hybridized By: Brockenbrough, E.C More information and pictures
R. 'Horizon Monarch' Rhododendron Hybrid R. 'Nancy Evans' x R. 'Point Defiance' Hybridized By: Brockenbrough, E.C More information and pictures
R. 'Horizon Snowbird' Rhododendron Hybrid R. 'Britannia x yakushimanum' x R. 'Mrs Lindsay Smith x yakushimanum' Hybridized By: Brockenbrough, E.C More information and pictures
R. horlickianum Species Subgenus: Rhododendron Section: Rhododendron Subsection: Maddenia More information and pictures
R. 'Hortulanus H. Witte' Deciduous Azalea Hybrid R. molle ssp molle x R. molle ssp japonicum Hybridized By: Koster M. & Sons More information and pictures
R. 'Hot Dawn' Rhododendron Hybrid R. 'Mars' x R. 'yakushimanum x Mars' Hybridized By: Brueckner, J.B. More information and pictures
R. 'Hot Shot Variegated' Evergreen Azalea Hybrid ? x ? Hybridized By: Siskiyou Rare Plant Nursery More information and pictures
R. 'Hotei' Rhododendron Hybrid R. 'Goldsworth Orange' x R. 'souliei x wardii var wardii' Hybridized By: Sifferman, Karl I. More information and pictures
R. 'Hotei x horaeum' Rhododendron Hybrid R. 'Hotei' x R. horaeum Hybridized By: Birck, Jens More information and pictures
R. 'Hotline Beauty' Rhododendron Hybrid R. 'Kettledrum x Jock X Mrs Chatles S. Sargent' x R. 'griersonianum x Romany Chal Group' Hybridized By: Delp Weldon E. More information and pictures
R. 'Hotspur' Deciduous Azalea Hybrid ? x ? Hybridized By: Rothschild, L. de More information and pictures
R. 'Hotspur Red' Deciduous Azalea Hybrid ? x ? Hybridized By: Rothschild, L. de More information and pictures
R. 'Howard Hughes' Rhododendron Hybrid ? x ? More information and pictures
R. 'Howard Kuhn' Rhododendron Hybrid R. degronianum ssp degronianum x R. 'Siouxon x sanguineum ssp sanguineum var haemaleum' Hybridized By: Kuhn, H. More information and pictures
R. huanum Species Subgenus: Hymenanthes Section: Pontica Subsection: Fortunea More information and pictures
R. 'Hugh Koster' Rhododendron Hybrid R. 'George Hardy' x ? Hybridized By: Koster M. & Sons More information and pictures
R. 'Hugh Wormald' Deciduous Azalea Hybrid ? x ? Hybridized By: Exbury More information and pictures
R. 'Hugo Koster' Deciduous Azalea Hybrid R. molle ssp molle x R. molle ssp japonicum Hybridized By: Koster & Sons More information and pictures
R. huidongense Species Subgenus: Hymenanthes Section: Pontica Subsection: Parishia More information and pictures
R. 'Hultschin' Rhododendron Hybrid R. insigne x R. williamsianum Hybridized By: Robeneck, H. More information and pictures
R. 'Humboldt' Rhododendron Hybrid R. catawbiense x ? Hybridized By: Seidel, T.J. More information and pictures
R. 'Humboldt Superior' Rhododendron Hybrid ? x ? More information and pictures
R. 'Humming Bird Group' Rhododendron Cultivar group R. haematodes ssp haematodes x R. williamsianum Hybridized By: Williams, John Charles More information and pictures
R. hunnewellianum Species Subgenus: Hymenanthes Section: Pontica Subsection: Argyrophylla More information and pictures
R. 'Hurricane' Rhododendron Hybrid R. 'Mrs Furnivall' x R. 'Anna Rose Whitney' Hybridized By: Whitney, William E. More information and pictures
R. 'Hussar' Rhododendron Hybrid R. facetum x R. 'Fabia Group x May Day Group' Hybridized By: Waterer (Bagshot) More information and pictures
R. 'Hyacinthiflorum' Rhododendron Hybrid R. ponticum x ? Hybridized By: Cels More information and pictures
R. hyacinthosmum Species Subgenus: Rhododendron Section: Vireya Subsection: Euvireya More information and pictures
R. 'Hydon Dawn' Rhododendron Hybrid R. degronianum ssp yakushimanum x R. 'Springbok' Hybridized By: George A.F. More information and pictures
R. 'Hydon Hunter' Rhododendron Hybrid R. degronianum ssp yakushimanum x R. 'Springbok' Hybridized By: George A.F. More information and pictures
R. 'Hydon Velvet' Rhododendron Hybrid R. degronianum ssp yakushimanum x R. bureavii Hybridized By: George A.F. More information and pictures
R. hylaeum Species Subgenus: Hymenanthes Section: Pontica Subsection: Thomsonia More information and pictures
R. 'Hymen' Rhododendron Hybrid R. 'Boule de Neige' x R. 'Everestianum' Hybridized By: Seidel, T.J.R. More information and pictures
R. 'Hyperion' Rhododendron Hybrid ? x ? Hybridized By: Waterer, H. (Knaphill) More information and pictures
R. 'Hypermax' Rhododendron Hybrid R. hyperythrum x R. maximum Hybridized By: Delp Weldon E. More information and pictures
R. hyperythrum Species Subgenus: Hymenanthes Section: Pontica Subsection: Pontica More information and pictures
R. hypoleucum Species Subgenus: Rhododendron Section: Rhododendron Subsection: Ledum More information and pictures

Rhododendron Index

Deciduous Azalea Hybrid

? x ?

Rhododendron Hybrid

R. keiskei var ozawae 'Yaku Fairy' x R. scabrifolium var spiciferum

Vireya Hybrid

? x ?

Species

Rhododendron Hybrid

R. 'Loderi Group x Earl of Athlone' x R. 'Creeping Jenny'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Doncaster'

Species

Rhododendron Hybrid

? x ?

Rhododendron Hybrid

R. 'Hotei x Koichiro Wada' x R. 'Whopper x Lem's Cameo'

Rhododendron Hybrid

R. Anna x R. Kilimanjaro Group

Rhododendron Hybrid

R. 'Nancy Evans x Lem's Cameo' x R. 'Skipper'

Rhododendron Hybrid

R. 'Nancy Evans' x R. 'Point Defiance'

Rhododendron Hybrid

R. 'Britannia x yakushimanum' x R. 'Mrs Lindsay Smith x yakushimanum'

Species

Deciduous Azalea Hybrid

R. molle ssp molle x R. molle ssp japonicum

Rhododendron Hybrid

R. 'Mars' x R. 'yakushimanum x Mars'

Evergreen Azalea Hybrid

? x ?

Rhododendron Hybrid

R. 'Goldsworth Orange' x R. 'souliei x wardii var wardii'

Rhododendron Hybrid

R. 'Hotei' x R. horaeum

Rhododendron Hybrid

R. 'Kettledrum x Jock X Mrs Chatles S. Sargent' x R. 'griersonianum x Romany Chal Group'

Deciduous Azalea Hybrid

? x ?

Deciduous Azalea Hybrid

? x ?

Rhododendron Hybrid

? x ?

Rhododendron Hybrid

R. degronianum ssp degronianum x R. 'Siouxon x sanguineum ssp sanguineum var haemaleum'

Species

Rhododendron Hybrid

R. 'George Hardy' x ?

Deciduous Azalea Hybrid

? x ?

Deciduous Azalea Hybrid

R. molle ssp molle x R. molle ssp japonicum

Species

Rhododendron Hybrid

R. insigne x R. williamsianum

Rhododendron Hybrid

R. catawbiense x ?

Rhododendron Hybrid

? x ?

Rhododendron Cultivar group

R. haematodes ssp haematodes x R. williamsianum

Species

Rhododendron Hybrid

R. 'Mrs Furnivall' x R. 'Anna Rose Whitney'

Rhododendron Hybrid

R. facetum x R. 'Fabia Group x May Day Group'

Rhododendron Hybrid

R. ponticum x ?

Species

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Springbok'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Springbok'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. bureavii

Species

Rhododendron Hybrid

R. 'Boule de Neige' x R. 'Everestianum'

Rhododendron Hybrid