Index

R. 'Hana-asobi'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration

R. 'Hana-gatami'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hana-guruma'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hana-kagami'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hana-kazura'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hana-no-en'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hanagasa'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. 'Hanazoroe'

Azalea Hybrid

? X ?

Hybridized By: Ito, Ihei | Register from 1692 | Japan, 1692

R. hanceanum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Tephroplepa

R. hanceanum Nanum Group

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Tephroplepa

R. hanceanum Nanum Group 'Canton Consul'

Rhododendron Species Selection

Selected By: Crown Estate Commissioners , Windsor, Berkshire , England, 1962

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Tephroplepa

R. hancockii

Species

Subgenus: Azaleastrum
Section: Choniastrum

R. 'Handsworth Early Scarlet'

Rhododendron Hybrid

R. caucasicum X ?

Hybridized By: Fisher, L. Son & Sibray, 1898

R. hangzhouense

Species

Subgenus: Azaleastrum
Section: Azaleastrum

R. 'Hanky Panky'

Rhododendron Hybrid

? X ?

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

R. 'Hannah'

Rhododendron Hybrid

? X ?

Hybridized By: Yavorsky, L.. Freehold, New Jersey, USA

R. 'Hannah Grace'

Rhododendron Hybrid

R. 'Tom Everett' X R. 'Fashion Plate'

Hybridized By: Ahern, T. (Tom). Bethlehem, PA, USA, 1995

R. 'Hannah Hersey'

Rhododendron Hybrid

R. 'catawbiense x fortunei' X R. campylocarpum ssp campylocarpum

Hybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1943

R. 'Hannah Joy'

Rhododendron Hybrid

R. 'Spanish Lady' X R. 'Redwax'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1984

R. 'Hannah Kessler'

Azalea Hybrid

? X ?

Hybridized By: Smith, W.D. | Spring Grove, Pennsylvania | USA

R. 'Hanni'

Rhododendron Hybrid

? X ?

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

R. 'Hannibal'

Rhododendron Hybrid

? X ?

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

R. 'Hanny'

Azalea Hybrid

? X ?

Hybridized By: Felix & Dijkhuis | Boskoop | Netherlands, 1930

R. 'Hanny Felix'

Azalea Hybrid

? X ?

Hybridized By: Felix & Dijkhuis | Boskoop | Netherlands

R. 'Hans Hachmann'

Rhododendron Hybrid

? X ?

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

R. 'Hans Robenek'

Rhododendron Hybrid

? X ?

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

R. 'Hans Scholl'

Azalea Hybrid

? X ?

Hybridized By: Nagel, W. (Walter) | Bretten, Baden | Germany

R. 'Hans Spemann'

Azalea Hybrid

? X ?

Hybridized By: Fleischmann, C. | Wiesmoor, Ostfriesland | Germany

R. 'Hansa Bay'

Vireya Hybrid

R. laetum X

Hybridized By: Schick, P., 1980

R. 'Hansel'

Rhododendron Hybrid

R. bureavii X R. 'Fabia Group'

Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1976

R. haofui

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Argyrophylla

R. 'Happiness'

Azalea Hybrid

? X ?

Hybridized By: Kerrigan, Howard

R. 'Happy Anniversary'

Azalea Hybrid

? X ?

Hybridized By: Nichols, I.C.

R. 'Happy Birthday'

Azalea Hybrid

? X ?

Hybridized By: Van de Ven, H.

R. 'Happy Day'

Rhododendron Hybrid

R. 'Lady Clementine Mitford' X R. 'Ladybird Group'

Hybridized By: Lyons, M.W.. Eugene, Oregon, USA, 1971

R. 'Happy Face'

Azalea Hybrid

? X ?

Hybridized By: Amann,I.L. | Bozman, Maryland | USA

R. 'Happy Group'

Rhododendron Cultivar group

R. 'Pauline' X R. griffithianum

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1940

R. 'Happy Holiday'

Azalea Hybrid

? X ?

Hybridized By: Kerrigan, Howard

R. 'Happy Hour'

Rhododendron Hybrid

R. 'Berg's Yellow' X R. 'Marie Starks'

Hybridized By: Barlup, Jim. Bellevue, USA, 1985

R. 'Happy Jubilee'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Happy Memories'

Vireya Hybrid

X R. carringtoniae

Hybridized By: Unknown

R. 'Happy Occasion'

Rhododendron Hybrid

R. 'Snow Queen Group' X R. 'Crest'

Hybridized By: Rothschild, Edmund Leopold de. Southampton, UK, 1970

R. 'Happy Wanderer'

Vireya Hybrid

R. 'Oriana' X R. 'Rosy Chimes'

Hybridized By: Blumhardt, O. S.. Koromiko Nurseries, Whangarei, New Zealand, 1983

R. 'Harbinger'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Hardgrove's Deepest Yellow'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Hardgrove's Deepest Yellow x Phipps Yellow'

Rhododendron Hybrid

R. 'Hardgrove's Deepest Yellow' X R. 'Phipps Yellow'

Hybridized By: No hybridiser registered

R. 'Hardgrove's Royal Star'

Rhododendron Hybrid

R. 'Moser's Maroon' X ?

Hybridized By: Hardgrove, D.L., 1962

R. 'Hardgrove's White'

Rhododendron Hybrid

? X ?

Hybridized By: Hardgrove, D.L., 1984

R. 'Hardijzer's Beauty'

Azaleodendron Hybrid

R. racemosum X ?

Hybridized By: Hardijzer W. H. | Boskoop | Netherlands, 1964

R. 'Hardy Gardenia'

Azalea Hybrid

R. 'Fischer A3' X R. 'Hexe x Vervaeneanum'

Hybridized By: Reid, G.A., 1959

R. 'Hardy Giant'

Rhododendron Hybrid

R. fortunei ssp fortunei X R. rex ssp fictolacteum

Hybridized By: Hardgrove, D.L., 1953