Rhododendron Species


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R. kaempferi

SubgenusTsutsusi
SectionTsutsusi
Subsection
Synonyms
Azalea kaempferi   (Planch.
Jules Émile Planchon
(1823-1888)
Ganges, France
Botanical-short: Planch.
)
R. kaempferi var macrogemma
R. kaempferi var tubidorum
R. kaempheri var iyoense
R. macrogemnum   (Nakai
Takenoshin Nakai
(1882-1952)
Japan
Botanical-short: Nakai
)
R. obtusum var macrogemmum
R. scabrum ssp kaempferi
R. sieboldii   (Miq.
Friedrich Anton Wilhelm Miquel
(1811-1871)
Rotterdam, Netherlands
Botanical-short: Miq.
)
In cultivation since: 1892

First described: 1854, (Planch.
Jules Émile Planchon
(1823-1888)
Ganges, France
Botanical-short: Planch.
)

Origin: Japan sealevel-1200 meter

Corolla: unknown
Leaves: unknown

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

Winter: evergreen
Bloomtime: late 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: red

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
: 300 cm. (10ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 13
R. kaempferi per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 7
Belgium : 2
France : 1
United States : 1
Denmark : 1
Japan : 1



Natural Hybrids
obtusum =(kiusianum var kiusianum x kaempferi)
poukhanense f acutifolium =(kaempferi x stenopetalum)
sikidera =(indicum x kaempferi)
transiens =(kaempferi x stenopetalum)

Clones / selections
'Betty', unknown, ,
'Daimio', 1905, Japan, , no hybridiser registration
'Eastern Fire', 1962, Crown Estate Commissioners, Windsor, Berkshire, England
'Eijyuho', 1976, Japan, , no hybridiser registration
'Johanna', unknown, ,
'Mimi', unknown, ,
'Othello', Pince, R.T., ,
'Pink Treasure', unknown, ,
'Semperflorens', 1932, Yokohama Nursery, ,
'Tachisene', 1958, No hybridiser registered, ,
'Tubiflorum', unknown, ,


Send questions, information or pictures

Rhododendron kaempferi
Photo byHank Helm
Date17 May, 2009
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron kaempferi
Photo bySusan Lightburn
Date12 June, 2011
Locationprivate garden Vancouver Island Nanoose Bay BC Canada
See high-resolution version
Rhododendron kaempferi
Photo bySusan Lightburn
Date12 June, 2011
Locationprivate garden Vancouver Island Nanoose Bay BC Canada
See high-resolution version



kaempferi 'Daimio'
Rhododendron kaempferi
Photo byTijs Huisman
Date09 June, 2002
Location
See high-resolution version
kaempferi 'Daimio'
Rhododendron kaempferi
Photo byTijs Huisman
Date15 June, 2002
Location
See high-resolution version
kaempferi 'Semperflorens'
Rhododendron kaempferi
RSBG 79/171
Photo byFrederick Thurber
Date02 May, 2012
LocationPrivate garden in Westport Point, Massachusetts, MA
See high-resolution version
kaempferi 'Semperflorens'
Rhododendron kaempferi
From Rhododendron Species Foundation 79-171
Photo byDick Cavender
Date
LocationRed's Rhodies, Sherwood Oregon USA
See high-resolution version
kaempferi 'Semperflorens'
Rhododendron kaempferi
From Rhododendron Species Foundation 79-171
Photo byDick Cavender
Date
LocationRed's Rhodies, Sherwood Oregon USA
See high-resolution version
kaempferi 'Semperflorens'
Rhododendron kaempferi
From Rhododendron Species Foundation 79-171
Photo byDick Cavender
Date
LocationRed's Rhodies, Sherwood Oregon USA
See high-resolution version
kaempferi 'Semperflorens'
Rhododendron kaempferi
Photo byDick Cavender
Date
LocationRed's Rhodies, Sherwood Oregon USA
kaempferi 'Johanna'
Rhododendron kaempferi
Photo byDaniele Magro
Date07 May, 2009
LocationPrivate garden, Tirano, Sondrio, Italy
See high-resolution version
kaempferi 'Johanna'
Rhododendron kaempferi
Photo byDaniele Magro
Date07 May, 2009
LocationPrivate garden, Tirano, Sondrio, Italy
See high-resolution version

Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. kaempferi is directly involved:     show indirect inv.
'Acme', 1947, Morrison, B.Y., Pass Christian, Mississippi, USA'Fielder's White' x R. kaempferi
'Airport Red', 1985, Rokujo, T., Tokyo, JapanR. kaempferi x R. nakaharae
'Akatsuki', 1958, Wada, K., Hakonea Nursery, Numazu, JapanR. eriocarpum x R. kaempferi
'Akebono Ryukyu', 1958, No hybridiser registered, , 'Malvaticum' x R. kaempferi
'Aladdin', 1947, Morrison, B.Y., Pass Christian, Mississippi, USA'Multiflorum' x R. kaempferi
'Alice', 1922, van Nes C. B . & Sons, Boskoop, Netherlands'Malvaticum' x R. kaempferi
'Anny' (photoClick to see more information


Anny
), 1922, Van Nes, C.B., ,
R. kaempferi x 'Malvaticum x kaempferi'
'Bagatelle', 1947, Morrison, B.Y., Pass Christian, Mississippi, USAR. kaempferi x 'Maxwellii'
'Barbara Coats' (photoClick to see more information


Barbara Coats
), 1963, George A.F., Hydon Nursery, Godalming, Surrey, England
R. kaempferi x 'Nanki-Poo'
'Bengal Fire' (photoClick to see more information


Bengal Fire
), 1934, Rothschild, L. de, Founder of Exbury Gardens, UK
R. kaempferi x R. oldhamii
'Big Joe' (photoClick to see more information


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


Blue Danube
), 1965, Van Hecke, A., ,
'Malvaticum' x R. kaempferi
'Bo-peep', 1958, Mayo, R.P., , ? x R. kaempferi
'Cadmium Red' (photoClick to see more information


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


Cleopatra
), 1939, van Nes C. B . & Sons, Boskoop, Netherlands
R. kaempferi x 'Malvaticum'
'Darling', 1947, Morrison, B.Y., Pass Christian, Mississippi, USAR. kaempferi x 'Maxwellii'
'Deep Pink' (photoClick to see more information


Deep Pink
), 1942, Gable, J.B., Stewartstown, Pennsylvania, USA
R. kaempferi x R. yedoense var poukhanense
'Earl Webster', 1973, Schroeder, H.R., , R. kaempferi x ?
'Eddy', 1933, Rothschild, L. de, Founder of Exbury Gardens, UKR. kaempferi x 'Apollo'
'Fairy Queen', 1958, Mayo, R.P., , R. indicum x R. kaempferi
'Faith', 1947, Morrison, B.Y., Pass Christian, Mississippi, USA'Jeanette' x R. kaempferi
'Favorite', 1920, van Nes C. B . & Sons, Boskoop, Netherlands'Hinodegiri' x R. kaempferi
'Fedora' (photoClick to see more information


Fedora
), 1932, Koster M. & Sons, Boskoop, Netherlands
R. kaempferi x 'Malvaticum'
'Fidelio', 1922, van Nes C. B . & Sons, Boskoop, NetherlandsR. kaempferi x 'Malvaticum'
'Gable's Flame', 1958, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Ganymede', 1949, Morrison, B.Y., Pass Christian, Mississippi, USA'Fielder's White' x R. kaempferi
'Glow of Dawn', 1934, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x R. kaempferi
'Hollandia', 1925, No hybridiser registered, , 'Hinodegiri' x R. kaempferi
'John Cairns' (photoClick to see more information


John Cairns
), 1940, Endtz, L.J. & Co, Boskoop, Netherlands
'Malvaticum' x R. kaempferi
'kaempferi x Shinnyo-no-tsuki', No hybridiser registered, , R. kaempferi x 'Shinnyo-no-tsuki'
'kaempferi x Snow', No hybridiser registered, , R. kaempferi x 'Snow'
'kaempferi x yedoense var poukhanense', No hybridiser registered, , R. kaempferi x R. yedoense var poukhanense
'Kaempo', 1960, Fowle, H., , R. kaempferi x R. eriocarpum 'Gumpo'
'Kakiemon' (photoClick to see more information


Kakiemon
), 1969, George A.F., Hydon Nursery, Godalming, Surrey, England
'Nanki-Poo' x R. kaempferi
'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
'Leo', 1933, Rothschild, L. de, Founder of Exbury Gardens, UKR. kaempferi x R. oldhamii
'Libby', 1970, Hill, J.W. Mrs., , R. kaempferi x ?
'Malvaticum x kaempferi', unknown, , 'Malvaticum' x R. kaempferi
'Matsugi', 1958, Wada, K., Hakonea Nursery, Numazu, JapanR. eriocarpum x R. kaempferi
'Mikado' (photoClick to see more information


Mikado
), 1978, Holly Heath Nursery, ,
R. kaempferi x ?
'Mikado', 1905, Japan, , no hybridiser registrationR. kaempferi x ?
'Mount Fuji', 1937, Wada, K., Hakonea Nursery, Numazu, JapanR. eriocarpum x R. kaempferi
'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
'Naomi' (photoClick to see more information


Naomi
), 1933, Rothschild, L. de, Founder of Exbury Gardens, UK
R. kaempferi x R. oldhamii
'Norbert', 1942, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Oakland', 1935, Gartrell, R. D., Highland Farms, Black Mountain, North Carolina, USAR. kaempferi x ?
'Obtusum Group', 1846, Lindley, J., , R. kiusianum var kiusianum x R. kaempferi
'Oester', 1914, Arends, G., Wuppertal, Germany'Noordtianum' x R. kaempferi
'Old Faithful', 1958, Gable, J.B., Stewartstown, Pennsylvania, USAR. yedoense var poukhanense x R. kaempferi
'Pale Lilac', 1942, Gable, J.B., Stewartstown, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Pekoe' (photoClick to see more information


Pekoe
), 1933, Rothschild, L. de, Founder of Exbury Gardens, UK
'Malvaticum' x R. kaempferi
'Rachel Biggs', 1935, Nearing, G.G., Ramsey, NJ, USAR. minus Carolinianum Group x R. kaempferi
'Roehr's Peggy Ann' (photoClick to see more information


Roehr's Peggy Ann
), 1955, Baumann, J., Ghent, Belgium
? x R. kaempferi
'Salmon Splendor', 1958, Mayo, R.P., , R. kaempferi x ?
'Seaford', 1987, Smith, W.D., Spring Grove, Pennsylvania, USAR. kaempferi x 'Eden Janea'
'Sentinel', 1947, Morrison, B.Y., Pass Christian, Mississippi, USA'Fielder's White' x R. kaempferi
'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
'Treasure' (photoClick to see more information


Treasure
), 1947, Morrison, B.Y., Pass Christian, Mississippi, USA
'Fielder's White' x R. kaempferi
'Vicky', 1942, Pride, O.S., Butler, Pennsylvania, USAR. kaempferi x R. yedoense var poukhanense
'Violet Longhurst' (photoClick to see more information


Violet Longhurst
), 1963, George A.F., Hydon Nursery, Godalming, Surrey, England
R. kaempferi x 'Princess Ida'
'Wadae Group', 1958, Wada, K., Hakonea Nursery, Numazu, JapanR. eriocarpum x R. kaempferi
'yedoense var poukhanense x kaempferi', No hybridiser registered, , R. yedoense var poukhanense x R. kaempferi
Hybrids where clones/selections of R. kaempferi are involved (alphabetical per clone)
'Bengal Beauty' (photoClick to see more information


Bengal Beauty
), 1962, Haworth-Booth, M., Farall Nurseries, Surrey, England
R. simsii var simsii x R. kaempferi 'Daimio'


Indirect involvement of R. kaempferi in cultivars: (cultivar = direct child/cultivar of kaempferi)
'Aladdin x Amoenum', No hybridiser registered, , 'Aladdin' x 'Amoenum'
'El Capitan', 1962, Girard, P.E., Geneva, Ohio, USA'Aladdin' x
'Girard's Hot Shot' (photo), 1963, Girard, P.E., Geneva, Ohio, USA'El Capitan' x 'Aladdin'
'Odilia', 1977, Boskoop, Research Center fo Arboreus Crops, Netherlands'Aladdin' x 'Amoenum'
'Silvester' (photo), 1963, Boskoop, Research Center fo Arboreus Crops, Netherlands'Aladdin' x 'Amoenum'
'Brangaene', 1949, Morrison, B.Y., Pass Christian, Mississippi, USA'Vittatum' x 'Alice'
'Isolde' (photo), 1949, Morrison, B.Y., Pass Christian, Mississippi, USA'Vittatum' x 'Alice'
'Quest', 1949, Morrison, B.Y., Pass Christian, Mississippi, USA'Ryukyu' x 'Alice'
'Opossum', 1997, Cox, P.A. & K.N.E., Glendoick, Scotland'Purpurtraum' x 'Blue Danube'
'Patricia Barmold' (photo), Meyer, H., Barmold-Baumschulen, Uchte, Germany'Kermesinum' x 'Blue Danube'
'Little Ruby', 1953, Vuyk van Nes, , 'Favorite'
'Blue Monday' (photo), 1960, Kerkhoff, W., , 'Multiflorum' x 'Fedora'
'Fedora x El Capitan', No hybridiser registered, , 'Fedora' x 'El Capitan'
'Harris Parfait', 1970, Harris, J.O., Lawrenceville, Georgia, USA'Sherwoodii' x 'Fedora'
'Madame Butterfly' (photo), 1940, Deerfield Nurseries, , 'Fedora' x R. mucronatum var mucronatum
'Noyo Lilac', 1960, Cornell, P.B., , 'Fedora' x 'Fedora'
'Noyo Rose', 1960, unknown, , 'Miss Cottage Garden' x 'Fedora'
'Parfait', 1981, Harris, J.D., , 'Sherwoodii' x 'Fedora'
'Pink Gem', 1951, Shammarello, A.M, Euclid, Ohio, USA'Fedora' x 'Gable's Flame'
'Rivermist', 1970, Harris, J.O., Lawrenceville, Georgia, USA'Sherwoodii' x 'Fedora'
'Saybrook Glory' (photo), 1972, Girard, P.E., Geneva, Ohio, USA'Roberta Ann' x 'Fedora'
'Nicola', 1964, Waterer (Bagshot), Surrey, England'Fidelio' x 'Gumpo Red'
'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'
'Lava', 1967, Nagel, W. (Walter), Bretten, Baden, Germany'Addy Wery x Mother's Day' x 'John Cairns'
'Schneewittchen' (photo), 1960, Hachmann, Hans, Barmstedt in Holstein, Germany'Kermesinum' x 'John Cairns'
'Badinage', 1965, Morrison, B.Y., Pass Christian, Mississippi, USA'Vittatum x mucronatum' x 'kaempferi x Shinnyo-no-tsuki'
'Lavender Elf', 1960, USDA, Department of Agriculture, Beltsville, Maryland, USA'Maxwellii x Snow' x 'kaempferi x Snow'
'Pink Elf' (photo), 1960, USDA, Department of Agriculture, Beltsville, Maryland, USA'Maxwellii x Snow' x 'kaempferi x Snow'
'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'
'Anny' (photo), 1922, Van Nes, C.B., , R. kaempferi x 'Malvaticum x kaempferi'
'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
'Eliza Scott' (photo), 1962, Gartrell, R. D., Highland Farms, Black Mountain, North Carolina, USA'Oakland' x 'Heiwa'
'Oakland X (unknown Indian azalea hybrid x Carol)', unknown, , 'Oakland' x 'unknown Indian azalea hybrid x Carol'
'Olga Niblett' (photo), 1963, Gartrell, R. D., Highland Farms, Black Mountain, North Carolina, USA'Oakland' x 'Kaigetsu x Carol'
'Welmet' (photo), 1962, Gartrell, R. D., Highland Farms, Black Mountain, North Carolina, USA'Oakland' x 'Heiwa'
'Album', 1958, Wada, K., Hakonea Nursery, Numazu, Japan'Obtusum Group' x
'Alice Sargent', 1885, Sander, C., , 'Garnet' x 'Obtusum Group'
'Hinomayo' (photo), 1910, Japan, , no hybridiser registration'Obtusum Group' x
'Sanderi Group', 1885, Sander, C., , 'Garnet' x 'Obtusum Group'
'Dawn Elizabeth', 1997, Vines,R.C., Amelia Island, Florida, USA'Glacier' x 'Roehr's Peggy Ann'
'Bobbi Gail', 1947, Morrison, B.Y., Pass Christian, Mississippi, USA'Treasure'
'Green Mist', 1947, USDA, Department of Agriculture, Beltsville, Maryland, USA'Treasure'
'Lagoon', 1947, USDA, Department of Agriculture, Beltsville, Maryland, USA'Treasure'
'Satellite', unknown, , 'Treasure'
'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