Rhododendron Species


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R. yedoense var poukhanense

SubgenusTsutsusi
SectionTsutsusi
Subsection
Synonyms
R. coreanum   (Rehder
Alfred Rehder
(1863-1949)
Germany
Botanical-short: Rehder
)
R. hallaisanense   (H.Lév.
Augustin Abel Hector Léveillé
(1863-1918)
France
Botanical-short: H.Lév.
)
R. yedoense var hallaisanense
R. yedoense var hallaisnense
In cultivation since: 1905

First described: 1920, (Nakai
Takenoshin Nakai
(1882-1952)
Japan
Botanical-short: Nakai
)

Origin: Central and South Korea and islands including Tsushima Japan, 1100 meter

Corolla: broadly funnel-shaped
Leaves: elliptic to lanceolate

Habit: terrestrial
epiphytic = living on dead organic material (decaying trees f.i)
terrestrial = in soil (like in your garden)

Winter: partly deciduous
Bloomtime: midseason
Hardiness: H4
H0 = 0 °C (32 F)
H1 = -7 °C (20 F)
H2 = -12 °C (10 F)
H3 = -15 °C (5 F)
H4 = -18 °C (0 F)
H5 = -24 °C (-10 F)


Predominant color: purple

Height
Height
The figures listed here are the observed size in the natural environment.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
: 200 cm. (7ft.)

Registered
In 'Your Garden' you can administrate
your rhododendrons.

To try/see this go 'Home' (top-right).
on hirstum.info: 12
R. yedoense var poukhanense per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 7
United States : 4
Denmark : 1




Send questions, information or pictures

Rhododendron yedoense var poukhanense
Photo byCoen Zonneveld
Date05 May, 2003
LocationDiepenveen, Netherlands
See high-resolution version
Rhododendron yedoense var poukhanense
Photo byJim Willhite
Date06 May, 2007
Locationprivate garden West Chester, PA, USA
See high-resolution version
Rhododendron yedoense var poukhanense
Photo byGarth Wedemire
Date16 April, 2005
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
See high-resolution version
Rhododendron yedoense var poukhanense
photo of form 'Compacta'
Photo byRichard Guerard
DateMay, 2009
Locationprivate garden Glastonbury, Connecticut U.S.A
See high-resolution version
Rhododendron yedoense var poukhanense
Photo byTadeusz Dauksza
Date23 April, 2010
Locationprivate garden
See high-resolution version
Rhododendron yedoense var poukhanense
Photo byCoen Zonneveld
Date05 May, 2003
LocationDiepenveen, Netherlands
Rhododendron yedoense var poukhanense
Photo byGarth Wedemire
Date16 April, 2005
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
See high-resolution version




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. yedoense var poukhanense is directly involved:     show indirect inv.
'Big Joe' (photoClick to see more information


Big Joe
), 1930, Gable, J.B., Stewartstown, Pennsylvania, USA
R. kaempferi x R. yedoense var poukhanense
'Bixby' (photoClick to see more information


Bixby
), 1988, Mezitt, E.V., Weston Nurseries, Hopkinton, Massachusetts, USA
'Vuyk's Scarlet' x R. yedoense var poukhanense
'Cadmium Red' (photoClick to see more information


Cadmium Red
), 1987, Stanton, E.N., ,
R. yedoense var poukhanense x R. kaempferi
'Cascade' (photoClick to see more information


Cascade
), 1953, Shammarello, A.M, Euclid, Ohio, USA
R. yedoense var poukhanense x R. mucronatum var mucronatum
'Deep Pink' (photoClick to see more information


Deep Pink
), 1942, Gable, J.B., Stewartstown, Pennsylvania, USA
R. kaempferi x R. yedoense var poukhanense
'Desiree' (photoClick to see more information


Desiree
), 1957, Shammarello, A.M, Euclid, Ohio, USA
R. yedoense var poukhanense x R. mucronulatum var mucronulatum
'Gable's Flame', 1958, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Gawain', 1949, Morrison, B.Y., Pass Christian, Mississippi, USAR. yedoense var poukhanense x 'Modèle'
'Glow of Dawn', 1934, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x R. kaempferi
'Herbert' (photoClick to see more information


Herbert
), 1931, Gable, J.B., Stewartstown, Pennsylvania, USA
R. yedoense var poukhanense x 'Hexe'
'kaempferi x yedoense var poukhanense', No hybridiser registered, , R. kaempferi x R. yedoense var poukhanense
'Karens' (photoClick to see more information


Karens
), Pedersen, A & A, Pedersen's nursery, Wayne, New Yersey, USA
'Hinodegiri' x R. yedoense var poukhanense
'La Roche', 1958, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x 'Hinodegiri'
'Labe' (photoClick to see more information


Labe
), 1970, Kavka, B., Pruhonice, Czech Republic
'Amoenum' x R. yedoense var poukhanense
'Lake Erie' (photoClick to see more information


Lake Erie
), 1987, Stanton, E.N., ,
R. yedoense var poukhanense x R. kaempferi
'Lake Michigan', 1987, Stanton, E.N., , R. yedoense var poukhanense x R. kaempferi
'Lake Ontario', 1987, Stanton, E.N., , R. yedoense var poukhanense x R. kaempferi
'Lake St Clair', 1987, Stanton, E.N., , R. yedoense var poukhanense x R. kaempferi
'Lake Superior', 1987, Stanton, E.N., , R. yedoense var poukhanense x R. kaempferi
'Lavender Bouquet', 1962, Girard Nurseries, , R. yedoense var poukhanense x ?
'Ledikanense' (photoClick to see more information


Ledikanense
), 1945, Kavka, B., Pruhonice, Czech Republic
R. yedoense var poukhanense x R. mucronatum var mucronatum
'Morave' (photoClick to see more information


Morave
), 1970, Dvořák, J., ,
'Amoenum' x R. yedoense var poukhanense
'Morning Mist Group', 1945, Ingram, C., Benenden, Kent, EnglandR. rubropilosum x R. yedoense var poukhanense
'Myrtle Leaf' (photoClick to see more information


Myrtle Leaf
), 1987, Stanton, E.N., ,
R. yedoense var poukhanense x R. kaempferi
'Nadine', 1942, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Norbert', 1942, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Old Faithful', 1958, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x R. kaempferi
'Otava' (photoClick to see more information


Otava
), 1962, Jelínek, J., ,
'Amoenum' x R. yedoense var poukhanense
'Pale Lilac', 1942, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Purple Splendor' (photoClick to see more information


Purple Splendor
), Gable, J.B., Stewartstown, Pennsylvania, USA
R. yedoense var poukhanense x 'Hexe'
'Sandra Ann', 1953, Girard, P.E., Geneva, Ohio, USAR. yedoense var poukhanense x 'Boudoir x Purple Triumph'
'Shell', 1942, Pride, O.S., Butler, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Springtime', 1937, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x R. kaempferi
'Terry', 1967, Kehr, A.E., Hendersonville, North Carolina, USAR. yedoense var poukhanense x 'Tahei'
'Ugo Fisch', 1974, Frei-Glaus, E. & H., , R. yedoense var poukhanense x ?
'Vicky', 1942, Pride, O.S., Butler, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Viking' (photoClick to see more information


Viking
), Morrison, B.Y., Pass Christian, Mississippi, USA
R. yedoense var poukhanense x 'Modèle'
'Villa', 1962, Girard Nurseries, , R. yedoense var poukhanense x 'Kathleen'
'Viola' (photoClick to see more information


Viola
), 1058, Gable, J.B., Stewartstown, Pennsylvania, USA
R. yedoense var poukhanense x R. mucronatum var mucronatum
'Vltava' (photoClick to see more information


Vltava
), 1962, Jelínek, J., ,
'Amoenum' x R. yedoense var poukhanense
'yedoense var poukhanense x Hexe', No hybridiser registered, , R. yedoense var poukhanense x 'Hexe'
'yedoense var poukhanense x kaempferi', No hybridiser registered, , R. yedoense var poukhanense x R. kaempferi
'Zulu', 1948, Morrison, B.Y., Pass Christian, Mississippi, USAR. yedoense var poukhanense x 'Modèle'


Indirect involvement of R. yedoense var poukhanense in cultivars: (cultivar = direct child/cultivar of yedoense var poukhanense)
'Desiree x No. CB-1', unknown, , 'Desiree' x 'No. CB-1'
'Elsie Lee' (photo), 1960, Shammarello, A.M, Euclid, Ohio, USA'Desiree' x 'Rosebud'
'Helen Curtis' (photo), 1960, Shammarello, A.M, Euclid, Ohio, USA'Desiree' x 'Rosebud'
'Pink Gem', 1951, Shammarello, A.M, Euclid, Ohio, USA'Fedora' x 'Gable's Flame'
'Sham's Flame', 1951, Shammarello, A.M, Euclid, Ohio, USA'Fireball' x 'Gable's Flame'
'Herbert x Girard's Hot Shot', No hybridiser registered, , 'Herbert' x 'Girard's Hot Shot'
'Edna', 1958, Gable, J.B., Stewartstown, Pennsylvania, USA'yedoense var poukhanense x Hexe' x 'kaempferi x yedoense var poukhanense'
'La Lumière', 1934, Gable, J.B., Stewartstown, Pennsylvania, USA'Hinodegiri' x 'kaempferi x yedoense var poukhanense'
'Louise Gable' (photo), 1930, Gable, J.B., Stewartstown, Pennsylvania, USAR. indicum x 'kaempferi x yedoense var poukhanense'
'Dorothy King' (photo), 1984, Clagett, W.L. (Buck), USA, Derwood, Maryland'La Roche' x
'Galathea', 1970, Matouš, J, , 'Ledikanense' x
'Kleopatra', 1964, Matouš, J, , 'Ledikanense' x 'Hexe'
'Peppina' (photo), 1991, Hachmann, Holger, , 'Königstein' x 'Ledikanense'
'Ed Howard', 1952, Pride, O.S., Butler, Pennsylvania, USA'Nadine' x
'Eleanor Lord', 1952, Pride, O.S., Butler, Pennsylvania, USA'Nadine' x
'Jack Jamison', 1952, Pride, O.S., Butler, Pennsylvania, USA'Nadine' x
'Jack Stewart', 1948, Pride, O.S., Butler, Pennsylvania, USA'Nadine' x
'Sam Greer', 1956, Pride, O.S., Butler, Pennsylvania, USA'Nadine' x
'Calusa', 1969, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Deep Purple', 1967, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Violaceum' x 'Purple Splendor'
'Greenwood Orchid', 1969, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Hoosier Charm', 1973, Schroeder, H.R., , 'Purple Splendor' x 'Vuyk's Scarlet'
'James Gable' (photo), 1942, Gable, J.B., Stewartstown, Pennsylvania, USA'Caroline Gable' x 'Purple Splendor'
'Jan', 1966, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Paluna', 1969, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Scarlet Frost', 1978, Schroeder, H.R., , 'Purple Splendor' x 'Vuyk's Scarlet'
'Tenino', 1969, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Tico Tico', 1969, Guttormsen, W.L., Greenwood Gardens, Canby, Oregon, USA'Helen Close' x 'Purple Splendor'
'Vonnie', 1973, Schroeder, H.R., , 'Purple Splendor' x 'Vuyk's Scarlet'
'Girard's Fuchsia' (photo), 1971, Girard, P.E., Geneva, Ohio, USA'Herbert x Girard's Hot Shot X Sandra Ann' x 'Sandra Ann'
'Herbert x Girard's Hot Shot X Sandra Ann', No hybridiser registered, , 'Herbert x Girard's Hot Shot' x 'Sandra Ann'
'Edna', 1958, Gable, J.B., Stewartstown, Pennsylvania, USA'yedoense var poukhanense x Hexe' x 'kaempferi x yedoense var poukhanense'
'Elizabeth Gable' (photo), 1930, Gable, J.B., Stewartstown, Pennsylvania, USAR. indicum x 'yedoense var poukhanense x kaempferi'
'La Première', 1930, Gable, J.B., Stewartstown, Pennsylvania, USA'yedoense var poukhanense x kaempferi' x R. indicum
'White Star', 1958, Gable, J.B., Stewartstown, Pennsylvania, USA'yedoense var poukhanense x kaempferi' x 'Snow'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009