Index

R. 'Haerens Beauty'

Azalea Hybrid

? X ?

Hybridized By: No hybridiser registered

R. 'Haerens Lorraine'

Azalea Hybrid

R. 'Charles Encke' X R. 'Hexe'

Hybridized By: Haerens, A. | St. Amandsberg | Belgium, 1909

R. 'Haerens Lorraine Grandi'

Azalea Hybrid

R. 'Charles Encke' X R. 'Hexe'

Hybridized By: Haerens, A. | St. Amandsberg | Belgium, 1937

R. 'Haerens Saumoneus'

Azalea Hybrid

R. 'Haerensianum' X R. 'Hermann Seidel'

Hybridized By: Haerens, A. | St. Amandsberg | Belgium, 1923

R. 'Haerens Saumoneus'

Azalea Hybrid

? X ?

Hybridized By: Haerens, W., 1944

R. 'Haerensianum'

Azalea Hybrid

R. 'Rosa Bonheur' X R. 'Mademoiselle Marie Planchon'

Hybridized By: Haerens, Gebr. (August & Jan) | Somergem | Belgium, 1898

R. 'Haerensianum Album'

Azalea Hybrid

X

Hybridized By: Haerens & Wille, 1921

R. 'Haerensianum Roseum Plenum'

Azalea Hybrid

? X ?

Hybridized By: Haerens, A. | St. Amandsberg | Belgium, 1913

R. 'Haerewille Pink Pearl'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Hahn's Red'

Azalea Hybrid

? X ?

Hybridized By: Hahn, Louis & Sons, 1965

R. 'Haida Gold'

Rhododendron Hybrid

R. wardii var wardii X R. 'Goldfort Group'

Hybridized By: Bovee & Mayo Rare Seed Co., 1961

R. hainanense

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Haithabu'

Rhododendron Hybrid

R. 'Walküre' X R. 'Germania'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1991

R. 'Hakata-kurenai'

Azalea Hybrid

? X ?

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

R. 'Hakata-no-shiro'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1975

R. 'Hakkei'

Azalea Hybrid

? X ?

Hybridized By: Wada, K. | Hakonea Nursery, Numazu | Japan, 1937

R. 'Hakko'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Hal Bruce'

Rhododendron Hybrid

? X ?

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1987

R. 'Hal-Pal'

Rhododendron Hybrid

? X ?

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

R. 'Halcyone Group'

Rhododendron Cultivar group

R. souliei X R. 'Lady Bessborough Group'

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

R. halense

Natural Hybrid

R. ferrugineum X R. hirsutum

R. 'Halesite'

Rhododendron Hybrid

? X ?

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1943

R. 'Halesite Maiden'

Rhododendron Hybrid

? X ?

Hybridized By: Dexter, C.O.. Sandwich, MA, USA, 1930

R. 'Half Penny'

Rhododendron Hybrid

? X ?

Hybridized By: James Delbert W.. Eugene, Oregon, USA

R. 'Halfdan Lem'

Rhododendron Hybrid

R. 'The Honourable Jean Marie de Montague' X R. 'Red Loderi'

Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1967

R. 'Halibut Hal'

Rhododendron Hybrid

R. 'Hotei' X R. 'Van Nes Sensation'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1990

R. 'Hall's Red'

Azalea Hybrid

? X ?

Hybridized By: UK, No hybridizer registered

R. 'Hallali'

Rhododendron Hybrid

R. venator X R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Ingram, C.. Benenden, Kent, England

R. 'Hallali Group'

Rhododendron Cultivar group

R. venator X R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Ingram, C.. Benenden, Kent, England

R. 'Hallelujah'

Rhododendron Hybrid

R. 'The Honourable Jean Marie de Montague' X R. 'Kimberly'

Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1958

R. 'Hallie'

Azalea Hybrid

R. 'Elsie Lee' X R. 'Red Ribbons'

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

R. 'Halma'

Rhododendron Hybrid

? X ?

Hybridized By: Firma Seidel

R. 'Halo'

Azalea Hybrid

? X ?

Hybridized By: Guttormsen, W.L. | Greenwood Gardens, Canby, Oregon | USA

R. 'Halo'

Azalea Hybrid

? X ?

Hybridized By: Brooks, L.L.

R. 'Haloed Gold'

Vireya Hybrid

R. christianae X R. 'Tropic Glow'

Hybridized By: Blumhardt, O. S.. Koromiko Nurseries, Whangarei, New Zealand, 1981

R. 'Haloed Gold x herzogii'

Vireya Hybrid

X R. herzogii

Hybridized By: No hybridiser registered

R. 'Halolight'

Rhododendron Hybrid

? X ?

Hybridized By: Hardgrove, D.L.

R. 'Halopeanum'

Azalea Hybrid

R. griffithianum X R. maximum

Hybridized By: Halopé, F, 1896

R. 'Halton'

Rhododendron Hybrid

R. lacteum X R. 'Naomi Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1967

R. 'Hamachidori'

Azalea Hybrid

? X ?

Hybridized By: Wada, K. | Hakonea Nursery, Numazu | Japan

R. hameliiflorum

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Hamlet'

Rhododendron Hybrid

? X ?

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

R. 'Hamlet'

Azalea Hybrid

R. molle ssp japonicum X R. molle ssp molle

Hybridized By: Koster M. & Sons | Boskoop | Netherlands, 1931

R. 'Hamma Hamma'

Rhododendron Hybrid

? X ?

Hybridized By: Clark, R.W.. Olympia, Washington, USA

R. 'Hampreston Group'

Rhododendron Cultivar group

R. glaucophyllum var glaucophyllum X R. russatum

Hybridized By: Marchant, W.J., 1937

R. 'Hampshire Belle'

Rhododendron Hybrid

R. ponticum X ?

Hybridized By: George, E.W., 1973

R. 'Hampton Beauty'

Azalea Hybrid

? X ?

Hybridized By: Pericat, A., 1941

R. 'Hampton Rose'

Azalea Hybrid

? X ?

Hybridized By: Pericat, A.

R. 'Hampton Ruby Red'

Azalea Hybrid

? X ?

Hybridized By: McDonald, S., 1992

R. 'Hana-aka'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration

R. 'Hana-asobi'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration