Index

R. 'Karkov'

Rhododendron Hybrid

R. griersonianum X R. 'Red Admiral Group'

Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1943

R. 'Karl'

Rhododendron Hybrid

? X ?

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia

R. 'Karl Glaser'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Karl Hoschna'

Rhododendron Hybrid

R. 'Bow Bells' X R. 'Jasper Group'

Hybridized By: Seabrook, Cecil S.. Tacoma, Washington, USA, 1960

R. 'Karl Sauerborn'

Rhododendron Hybrid

R. wardii var wardii X ?

Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1950

R. 'Karminduft'

Azalea Hybrid

R. viscosum X R. 'Nabucco'

Hybridized By: Hachmann, Hans | Barmstedt in Holstein | Germany, 1985

R. 'Karminkissen'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Ruby Hart'

Hybridized By: Hachmann, Holger, 1992

R. 'Kasei'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Kasho'

Azalea Hybrid

X

Hybridized By: Japan | no hybridiser registration, 1975

R. 'Kashu-no-hikari'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. kasoense

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Monantha

R. 'Kasugano'

Azalea Hybrid

? X ?

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

R. 'Kasugano'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Kasumi-gaseki'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1918

R. 'Kate Waterer'

Rhododendron Hybrid

R. catawbiense X ?

Hybridized By: Waterer John, Sons & Crisp. Bagshot, Surrey, UK, 1865

R. 'Katharine Fortescue'

Rhododendron Hybrid

R. 'Hawk' X R. griffithianum

Hybridized By: Fortescue, L.S., 1970

R. 'Katherine Dalton'

Rhododendron Hybrid

R. smirnowii X R. fortunei ssp fortunei

Hybridized By: Gable, J.B.. Stewartstown, Pennsylvania, USA, 1932

R. 'Kathie Jo'

Rhododendron Hybrid

R. 'Purple Splendour x Britannia' X ?

Hybridized By: , 1996

R. 'Kathleen'

Rhododendron Hybrid

? X ?

Hybridized By: Clarke, S.R.. Borde Hill, West Sussex, England, 1930

R. 'Kathleen'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Kathryn Forbes'

Rhododendron Hybrid

R. 'Mrs Charles S Sargent' X R. 'Dexter's Purple'

Hybridized By: Parks, J.B. (Joe). Dover, New Hampshire, USA, 1984

R. 'Kathryn Reboul'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Kathryna'

Rhododendron Hybrid

? X ?

Hybridized By: Smith, W.D.. Spring Grove, Pennsylvania, USA, 1967

R. 'Kathy Ann'

Azalea Hybrid

? X ?

Hybridized By: Girard Nurseries, 1962

R. 'Kathy Doll'

Rhododendron Hybrid

R. 'Corona' X R. 'Dondis Group'

Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1963

R. 'Kathy Van Veen'

Rhododendron Hybrid

R. griffithianum X ?

Hybridized By: Rhein, W.L.. Mechanicsburg, Pennsylvania, USA

R. 'Kathy's Flame'

Azalea Hybrid

R. calendulaceum X R. flammeum

Hybridized By: Sommerville, E.A., 1985

R. 'Katie Gordon'

Rhododendron Hybrid

R. oreotrephes X R. cinnabarinum ssp cinnabarinum Roylei Group

Hybridized By: Gordon, Lady Adam, 1985

R. 'Katoi'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Katrina'

Rhododendron Hybrid

R. 'Anna' X R. 'Purple Splendour'

Hybridized By: Watson, E.M. Mrs. (Elsie). Kirkland, WA, USA, 1960

R. 'Katsura-no-hana'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Katy Hurley'

Rhododendron Hybrid

R. souliei X R. 'Idealist'

Hybridized By: Hardy, G.A., 1985

R. kawakamii

Species

Subgenus: Rhododendron
Section: Pseudovireya

R. 'Kawari-asagao'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. kawir

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Kay Catchlove'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Kay Kay'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Kay Too'

Rhododendron Hybrid

R. 'auriculatum x Fabia Group' X R. decorum ssp diaprepes 'Gargantua'

Hybridized By: Newcomb,L.L.. Snohomish, Washington, USA, 1987

R. 'Kaye Player'

Rhododendron Hybrid

R. 'The Honourable Jean Marie de Montague' X R. 'Yelton's Choice'

Hybridized By: Player, L. M.. Fayetteville, North Carolina, USA, 1989

R. 'Kayla Joy'

Rhododendron Hybrid

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

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

R. 'Kazan'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Kazan'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1975

R. 'Kazuko'

Azalea Hybrid

? X ?

Hybridized By: Arends, W. | Wuppertal-Ronsdorf | Germany, 1960

R. 'Keca'

Rhododendron Hybrid

? X ?

Hybridized By: Nearing, G.G.. Ramsey, NJ, USA

R. keditii

Natural Hybrid

R. rugosum var rugosum X R. crassifolium var crassifolium

R. 'Keen Machine'

Rhododendron Hybrid

? X ?

Hybridized By: Hinerman, D.L.. Ann Arbor, Michigan, USA

R. 'Kees Bier'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Kehr's White Rosebud'

Azalea Hybrid

? X ?

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

R. 'Keisetsu'

Azalea Hybrid

? X ?

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

R. keiskei

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Triflora

R. keiskei 'Ramsay Gold'

Rhododendron Species Selection

Selected By: Unknown

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Triflora