Index

R. 'Yachats'

Azalea Hybrid

R. 'Hugh Wormald' X R. 'Marion Merriman'

Hybridized By: Slonecker, H.J. | Milwaukie, Oregon | USA, 1958

R. 'Yachiyo'

Azalea Hybrid

R. eriocarpum X R. kaempferi

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

R. 'Yachiyo'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1987

R. 'Yachiyo Red'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1983

R. 'Yae-asago'

Azalea Hybrid

? X ?

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

R. 'Yae-kirishima'

Azalea Hybrid

? X ?

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

R. 'Yae-koshimino'

Azalea Hybrid

? X ?

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

R. 'Yae-kurenai'

Azalea Hybrid

? X ?

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

R. 'Yae-mae'

Azalea Hybrid

? X ?

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

R. 'Yae-no-tsuki'

Azalea Hybrid

X

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Yae-shojo'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1929

R. 'Yae-yama'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1984

R. 'Yaffle'

Azalea Hybrid

R. prunifolium X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1941

R. 'Yahoo'

Rhododendron Hybrid

R. 'yakushimanum x Dido Group' X R. 'Medusa Group'

Hybridized By: New Zealand, 1975

R. 'Yaita-shiro'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1955

R. 'Yak Van Zile'

Rhododendron Hybrid

? X ?

Hybridized By: No hybridiser registered, 1995

R. 'Yak Van Zile x Mrs W R Coe'

Rhododendron Hybrid

R. 'Yak Van Zile' X R. 'Mrs W R Coe'

Hybridized By: Unknown

R. 'Yakata-no-tsuki'

Azalea Hybrid

X

Hybridized By: Japan | no hybridiser registration, 1979

R. 'Yakday'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'May Day Group'

Hybridized By: New Zealand, 1972

R. 'Yako'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. facetum

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1982

R. 'Yaku Coronet'

Rhododendron Hybrid

R. 'Vulcan' X R. degronianum ssp yakushimanum 'Exbury Yakushimanum'

Hybridized By: Bulgin, L.W., 1980

R. 'Yaku Cream'

Rhododendron Hybrid

R. 'Lackamas Cream' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1966

R. 'Yaku Dawn'

Rhododendron Hybrid

R. 'yakushimanum x pseudochrysantum' X R. 'Peter Faulk'

Hybridized By: No hybridiser registered, 1994

R. 'Yaku Duchess'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Duke'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Fantasia'

Rhododendron Hybrid

R. 'Vulcan' X R. degronianum ssp yakushimanum 'Exbury Yakushimanum'

Hybridized By: Bulgin, L.W., 1980

R. 'Yaku Frills'

Rhododendron Hybrid

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

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1967

R. 'Yaku Incense'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Lackamas Spice'

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1960

R. 'Yaku King'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Picotee'

Rhododendron Hybrid

R. 'Moser's Maroon' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1968

R. 'Yaku Prince'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Princess'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Queen'

Rhododendron Hybrid

R. 'King Tut' X R. degronianum ssp yakushimanum 'Koichiro Wada'

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

R. 'Yaku Royale'

Rhododendron Hybrid

R. 'Vulcan' X R. degronianum ssp yakushimanum 'Exbury Yakushimanum'

Hybridized By: Bulgin, L.W., 1980

R. 'Yaku Sensation'

Rhododendron Hybrid

R. 'Vulcan' X R. degronianum ssp yakushimanum 'Exbury Yakushimanum'

Hybridized By: Bulgin, L.W., 1980

R. 'Yaku Splendor'

Rhododendron Hybrid

R. 'Rose Splendour' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1966

R. 'Yaku Sunrise'

Rhododendron Hybrid

R. 'Vulcan's Flame' X R. degronianum ssp yakushimanum 'Koichiro Wada'

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1965

R. 'Yaku Sunrise x Burgundy'

Rhododendron Hybrid

R. 'Yaku Sunrise' X R. 'Burgundy'

Hybridized By: No hybridiser registered

R. 'Yaku Sunrise X C.I.S x Jingle Bells'

Rhododendron Hybrid

R. 'Yaku Sunrise' X R. 'C.I.S. x Jingle Bells'

Hybridized By: No hybridiser registered

R. 'Yaku Sunrise x Hansel'

Rhododendron Hybrid

R. 'Yaku Sunrise' X R. 'Hansel'

Hybridized By: No hybridiser registered

R. 'Yaku Warrior'

Rhododendron Hybrid

R. 'Mars' X R. degronianum ssp yakushimanum

Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1967

R. 'Yaku-yama-sakura'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. degronianum ssp heptamerum var hondoense

Hybridized By: Yamamoto, Y., 1992

R. 'Yakudedi'

Rhododendron Hybrid

? X ?

Hybridized By: Clarke, George.W.. Portland Oregon, USA, 1980

R. 'Yakumo'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1920

R. yakumontanum

Species

Subgenus: Tsutsusi
Section: Brachycalyx

R. 'Yakunowii'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. smirnowii

Hybridized By: Nagel, W. (Walter). Bretten, Baden, Germany, 1975

R. 'Yakura-yama'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1987

R. 'Yakushi Maiden'

Rhododendron Hybrid

R. degronianum ssp yakushimanum X R. 'Gipsy King Group'

Hybridized By: Drayson R.J.R. Wimborne, Dorset, England, 1979

R. 'Yakushima'

Azalea Hybrid

? X ?

Hybridized By: Japan | no hybridiser registration, 1975

R. yakushimanum

Species

R. 'yakushimanum Koichiro Wada x Fabia Group'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' X R. 'Fabia Group'

Hybridized By: No hybridiser registered