Index

R. 'Heide Hanish'

Rhododendron Hybrid

? X ?

Hybridized By: Glaser, K.

R. 'Heide Hartwiger'

Azalea Hybrid

? X ?

Hybridized By: Cole, D.J.

R. 'Heidi Boesch'

Rhododendron Hybrid

? X ?

Hybridized By: Dosser, D.J.. Lower Wilmot, Tasmania, Australia

R. 'Heidi's Love'

Rhododendron Hybrid

R. 'Nadia' X R. 'Pink Petticoats x yakushimanum'

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

R. 'Heigh-ho'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA

R. 'Heil Hitler'

Azalea Hybrid

R. 'Paul Schäme' X R. 'Frits Sander'

Hybridized By: Ambrosius, R. | Dresden | Germany, 1933

R. 'Heinje's Venezia'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Cynthia'

Hybridized By: Heinje, D.. Jeddeloh, Germany, 1964

R. 'Heinje's Zauberflöte'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Kluis Sensation'

Hybridized By: Heinje, D.. Jeddeloh, Germany, 1964

R. 'Heinrich Peiffer'

Rhododendron Hybrid

R. smirnowii X R. degronianum ssp yakushimanum 'Mist Maiden'

Hybridized By: Behring, R.. St. Catharines, Ontario, Canada, 1972

R. 'Heinrich Siesmeyer'

Azalea Hybrid

? X ?

Hybridized By: Schultz, C. | Hanau | Germany, 1863

R. 'Heinzelmännchen'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X ?

Hybridized By: Nagel, W. (Walter). Bretten, Baden, Germany, 1972

R. 'Heir Apparent'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Bud Flanagan'

Hybridized By: Drayson R.J.R. Wimborne, Dorset, England, 1976

R. 'Heirloom'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA

R. 'Heiwa'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Heiwa-no-hikari'

Azalea Hybrid

? X ?

Hybridized By: Chugai Nursery Co. | Kobe-city, Hyogo | Japan, 1938

R. 'Heiwa-no-tsuki'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1975

R. heizhugouense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. hejiangense

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Helen'

Azalea Hybrid

? X ?

Hybridized By: Smith, W.D. | Spring Grove, Pennsylvania | USA, 1965

R. 'Helen B'

Rhododendron Hybrid

R. 'Red Paint' X R. 'Royston Red'

Hybridized By: Goheen. Dr. David. Camas, Washington, USA

R. 'Helen Child'

Rhododendron Hybrid

? X ?

Hybridized By: Larson, H.L.. Tacoma, Washington, USA

R. 'Helen Close'

Azalea Hybrid

R. 'Ivory' X R. 'Shinnyo-no-tsuki'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Helen Curtis'

Azalea Hybrid

R. 'Desiree' X R. 'Rosebud'

Hybridized By: Shammarello, A.M | Euclid, Ohio | USA, 1960

R. 'Helen Deehr'

Rhododendron Hybrid

R. 'Unknown Warrior' X R. 'Noyo Brave'

Hybridized By: Moynier, W.A., 1981

R. 'Helen Druecker'

Rhododendron Hybrid

R. 'Betty Wormald' X R. elliottii

Hybridized By: Druecker, J.S.. Fort Bragg, CA, USA

R. 'Helen Everitt'

Rhododendron Hybrid

? X ?

Hybridized By: Everitt, S.A. Huntington, Long Island, New York, USA, 1950

R. 'Helen Gordon'

Rhododendron Hybrid

? X ?

Hybridized By: Gordon, R.C

R. 'Helen Gunning'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA

R. 'Helen Hill'

Azalea Hybrid

? X ?

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1987

R. 'Helen Johnson'

Rhododendron Hybrid

R. 'Mrs Furnivall' X R. 'Mrs Donald G. Graham'

Hybridized By: Ostbo, E.. Bellevue, Washington, USA, 1956

R. 'Helen Martin'

Rhododendron Hybrid

R. 'Cunningham's White' X ?

Hybridized By: Huisman, T. Nijensleek, Netherlands, 1984

R. 'Helen Ring'

Rhododendron Hybrid

R. maximum X R. arboreum ssp arboreum

Hybridized By: Kehr, A.E.. Hendersonville, North Carolina, USA, 1968

R. 'Helen Vieira'

Rhododendron Hybrid

? X ?

Hybridized By: Means, R.L., 1986

R. 'Helen Webster'

Rhododendron Hybrid

? X ?

Hybridized By: Crown Estate Commissioners. Windsor, Berkshire, England

R. 'Helena'

Rhododendron Hybrid

R. fortunei ssp fortunei X ?

Hybridized By: Waterer (Bagshot). Surrey, England, 1930

R. 'Helena'

Rhododendron Hybrid

R. edgeworthii X R. formosum var formosum

Hybridized By: Ramsden, Sir John. Muncaster Castle, UK, 1934

R. 'Helena'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1847

R. 'Helena Amateis'

Rhododendron Hybrid

? X ?

Hybridized By: Amateis, Edmond. Brewster, New York, USA

R. 'Helena de Groot'

Azalea Hybrid

? X ?

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

R. 'Helena Neumann'

Azalea Hybrid

? X ?

Hybridized By: Schulz, O. (head-gardener, Royal Porcelain Factory) | Berlin | Germany, 1878

R. 'Helena Oosthoek'

Azalea Hybrid

? X ?

Hybridized By: Oosthoek, P.J.C. & Co

R. 'Helena Pratt'

Azalea Hybrid

? X ?

Hybridized By: Pratt, M.C.

R. 'Helena Vuyk'

Azalea Hybrid

? X ?

Hybridized By: Vuyk van Nes

R. 'Helene Bruggeman'

Azalea Hybrid

? X ?

Hybridized By: Vervaene, J. | Ledeberg, near Ghent | Belgium, 1884

R. 'Helene Huber'

Rhododendron Hybrid

? X ?

Hybridized By: Herbert, C.

R. 'Helene Schiffner'

Rhododendron Hybrid

? X ?

Hybridized By: Seidel, T.J.R.. Dresden/Grüngräbchen, Germany, 1890

R. 'Helenm'

Azalea Hybrid

? X ?

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

R. 'Helgoland'

Rhododendron Hybrid

R. 'Scandinavia' X R. degronianum ssp yakushimanum 'Hanano-ego'

Hybridized By: Robeneck, H.. Westerstede, Germany, 1977

R. heliolepis var brevistylum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Heliolepida

R. heliolepis var fumidum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Heliolepida

R. heliolepis var heliolepis

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Heliolepida