Index

R. 'Zigeunerin'

Rhododendron Hybrid

R. 'Louis Pasteur' X R. 'Goldsworth Orange'

Hybridized By: Robeneck, H.. Westerstede, Germany, 1975

R. 'Zigty'

Azalea Hybrid

? X ?

Hybridized By: Verschaffelt, A. (Alexander) | Ghent | Belgium, 1847

R. 'Zingari'

Azalea Hybrid

R. mucronatum var mucronatum 'Lilacinum' X R. 'Willy'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1947

R. 'Zip Tip'

Rhododendron Hybrid

R. 'smirnowii x bureavii' X R. 'Bob As'

Hybridized By: Smith, A.W.. Niagara Falls, Ontario, Canada, 1992

R. 'Zippety'

Rhododendron Hybrid

R. 'Sefton' X R. 'Sefton'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992

R. 'Zitha'

Azalea Hybrid

? X ?

Hybridized By: Stahnke, O. | Sassenburg | Germany, 1984

R. 'Zitronenfalter'

Rhododendron Hybrid

? X R. 'Crest'

Hybridized By: Nagel, W. (Walter). Bretten, Baden, Germany, 1971

R. ziyuanense var pachyphyllum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

R. ziyuanense var ziyuanense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Maculifera

R. 'Zodiac'

Azalea Hybrid

R. 'Shiryu-no-homare' X ?

Hybridized By: Vines,R.C. | Amelia Island, Florida | USA, 1997

R. 'Zoe'

Azalea Hybrid

? X ?

Hybridized By: Glaser, K., 1997

R. 'Zoe Elizabeth Stolz'

Azalea Hybrid

R. 'Carol Kitten' X R. 'Girard's Fuchsia'

Hybridized By: Klimavicz, J.F., 1998

R. 'Zoe Elloise'

Vireya Hybrid

R. 'Doctor Hermann Sleumer' X R. zoelleri

Hybridized By: Clancy, B., 1980

R. zoelleri

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'zoelleri x christi'

Vireya Hybrid

R. zoelleri X R. christi

Hybridized By: No hybridiser registered

R. 'zoelleri x christianae'

Vireya Hybrid

R. zoelleri X R. christianae

Hybridized By: No hybridiser registered

R. 'zoelleri X christianae x konori'

Vireya Hybrid

R. zoelleri X R. 'christianae x konori'

Hybridized By: No hybridiser registered

R. 'zoelleri x javanicum'

Vireya Hybrid

R. zoelleri X R. javanicum ssp javanicum

Hybridized By: No hybridiser registered

R. 'zoelleri x konori'

Vireya Hybrid

R. zoelleri X R. konori var konori

Hybridized By: No hybridiser registered

R. 'zoelleri x leucogigas'

Vireya Hybrid

R. zoelleri X R. leucogigas

Hybridized By: No hybridiser registered

R. 'zoelleri x macgegoriae'

Vireya Hybrid

R. zoelleri X R. macgregoriae

Hybridized By: No hybridiser registered

R. 'zoelleri x macgegoriae X aurigeranum'

Vireya Hybrid

X R. aurigeranum ssp aurigeranum

Hybridized By: No hybridiser registered

R. 'zoelleri x polyanthemum'

Vireya Hybrid

R. zoelleri X R. polyanthemum

Hybridized By: No hybridiser registered

R. 'zoelleri x viriosum'

Vireya Hybrid

R. zoelleri X R. viriosum

Hybridized By: No hybridiser registered

R. 'zoelleri x viriosum X konori'

Vireya Hybrid

R. 'zoelleri x viriosum' X R. konori var konori

Hybridized By: No hybridiser registered

R. 'zoelleri x viriosum X zoelleri'

Vireya Hybrid

R. 'zoelleri x viriosum' X R. zoelleri

Hybridized By: No hybridiser registered

R. zollingeri

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. zollingeri var latifolium

Species

R. 'Zoom Bloom'

Rhododendron Hybrid

R. 'Goody Goody x Si Si' X R. 'Eye Pleaser'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1995

R. 'Zoot Suit'

Rhododendron Hybrid

R. 'Ostbo's Yellow' X R. 'Bristol Cream'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992

R. 'Zora Group'

Rhododendron Hybrid

R. souliei X R. wardii var puralbum

Hybridized By: Stevenson, J.B.. Ascot, Berkshire, England, 1951

R. 'Zorba'

Rhododendron Hybrid

R. 'Frango' X R. 'Tragico'

Hybridized By: Goheen. Dr. David. Camas, Washington, USA, 1973

R. 'Zoë Graves'

Rhododendron Hybrid

? X ?

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

R. 'ZU-2'

Azalea Hybrid

? X ?

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

R. 'Zu-Zu'

Rhododendron Hybrid

R. 'Hotei' X R. 'Morna Belle'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1989

R. 'Zugspitze'

Rhododendron Hybrid

R. wardii var puralbum X R. degronianum ssp yakushimanum 'Hanano-ego'

Hybridized By: Robeneck, H.. Westerstede, Germany, 1975

R. 'Zuiderzee'

Rhododendron Hybrid

R. 'Mrs Lindsay Smith' X R. campylocarpum ssp campylocarpum

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1936

R. 'Zuiderzee Group'

Rhododendron Cultivar group

R. 'Mrs Lindsay Smith' X ?

Hybridized By: Koster M. & Sons. Boskoop, Netherlands, 1936

R. 'Zuigetsu'

Azalea Hybrid

X

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Zuio'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Zuisetsu'

Azalea Hybrid

X

Hybridized By: unknown, 1955

R. 'Zuleika'

Rhododendron Hybrid

? X ?

Hybridized By: Standish & Noble. Bagshot, Surrey, England, 1850

R. 'Zulu'

Azalea Hybrid

R. yedoense var poukhanense X R. 'Modčle'

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

R. 'Zwerg'

Rhododendron Hybrid

? X ?

Hybridized By: Firma Seidel, 1894

R. 'Zyrnisa'

Azalea Hybrid

? X ?

Hybridized By: Sabličre, C. de la, 1972

R. 'Zyuni-hitoe'

Rhododendron Hybrid

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

Hybridized By: Saito, S., 1993

R. 'Zyxya'

Rhododendron Hybrid

R. 'Barclayi Robert Fox' X R. 'Elizabeth Group'

Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1966