Rhododendron Species


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R. auriculatum

SubgenusHymenanthes
SectionPontica
SubsectionAuriculataClick to see all Auriculata
In cultivation since: 1901

First described: 1899, (Hemsl.
William Botting Hemsley
(1843-1924)
England, Sussex
Botanical-short: Hemsl.
)

Origin: E. Sichuan, W. Hubei and E. Guizhou 500-2300 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: very late
Hardiness: H5
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: white

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
: 900 cm. (30ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 71
R. auriculatum per country:
(could be a clue for heat/cold-tolerance)

France : 26
Canada : 11
Netherlands : 10
England : 7
Belgium : 5
United States : 5
Denmark : 4
Lithuania : 1
Wales : 1
Norway : 1




Send questions, information or pictures

Rhododendron auriculatum
Photo byHank Helm
Date06 August, 2010
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron auriculatum
Photo byEverard Daniel
Date24 February, 2007
Locationprivate garden, Reigate, Surrey, UK
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Rhododendron auriculatum
Photo byCoen Zonneveld
Date
LocationDiepenveen, Netherlands
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Rhododendron auriculatum
Photo byHank Helm
Date18 July, 2007
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron auriculatum
Photo byEverard Daniel
Date24 February, 2007
Locationprivate garden, Reigate, Surrey, UK
See high-resolution version
Rhododendron auriculatum
Photo byHank Helm
Date28 July, 2007
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron auriculatum
auriculatum Greig
Photo byHank Helm
Date
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
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Rhododendron auriculatum
auriculatum Greig
Photo byHank Helm
Date
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
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Rhododendron auriculatum
close up (see high-resolution) of auriculatum with little insect
Photo byHerman Van Ree
Date26 October, 2009
LocationArboretum Belmonte, Wageningen, Netherlands
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Rhododendron auriculatum
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens
See high-resolution version
Rhododendron auriculatum
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens
See high-resolution version
Rhododendron auriculatum
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens
See high-resolution version
Rhododendron auriculatum
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens
See high-resolution version
Rhododendron auriculatum
auriculatum in need of water
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens
Rhododendron auriculatum
auriculatum in need of water
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. auriculatum is directly involved:     show indirect inv.
'Aida Group', 1933, Rothschild, L. de, Founder of Exbury Gardens, UK'George Hardy' x R. auriculatum
'Aladdin' (photoClick to see more information


Aladdin
), 1930, Crosfield, J. J., Embley Park, Romsey, Hampshire, UK
R. griersonianum x R. auriculatum
'Aladdin Group', 1930, Crosfield, J. J., Embley Park, Romsey, Hampshire, UKR. griersonianum x R. auriculatum
'Argosy' (photoClick to see more information


Argosy
), 1933, Rothschild, L. de, Founder of Exbury Gardens, UK
R. fortunei ssp discolor x R. auriculatum
'Argosy Group' (photoClick to see more information


Argosy Group
), 1933, Rothschild, L. de, Founder of Exbury Gardens, UK
R. fortunei ssp discolor x R. auriculatum
'auriculatum x Fabia Group', unknown, , R. auriculatum x 'Fabia Group'
'auriculatum x fortunei discolor' (photoClick to see more information


auriculatum x fortunei discolor
), No hybridiser registered, ,
R. auriculatum x R. fortunei ssp discolor
'auriculatum x Loderi King George', No hybridiser registered, , R. auriculatum x 'Loderi King George'
'Brass Rubber', 1928, Aberconway, Lord, Bodnant, Tal-y-Cafn, WalesR. auriculatum x R. griersonianum
'Courtenay King' (photoClick to see more information


Courtenay King
), 1994, Wright, H.R., Courtenay, British Columbia, Canada
R. auriculatum x ?
'Edna Mccarty' (photoClick to see more information


Edna Mccarty
), 1960, Ostbo, E., Bellevue, Washington, USA
'Alice' x R. auriculatum
'Elizabeth Lock', 1968, Lock, J.A.N., , R. auriculatum x ?
'griffithianum x auriculatum', No hybridiser registered, , R. griffithianum x R. auriculatum
'Haag's Fabulous' (photoClick to see more information


Haag's Fabulous
), Haag, C.R. & V. (Velma), Brevard, NC, USA
R. fortunei ssp fortunei x R. auriculatum
'Isabella Group', 1934, Loder, G.H., , R. griffithianum x R. auriculatum
'Lady Catherine', 1922, Ramsden, Sir John, Muncaster Castle, UK'Corona' x R. auriculatum
'Leonore', 1948, Rothschild, L. de, Founder of Exbury Gardens, UKR. auriculatum x R. kyawii
'Lodauric Group' (photoClick to see more information


Lodauric Group
), 1939, Crosfield, J. J., Embley Park, Romsey, Hampshire, UK
'Loderi Group' x R. auriculatum
'Lodauric Iceberg' (photoClick to see more information


Lodauric Iceberg
), 1936, Slocock Nurseries, ,
R. auriculatum x 'Loderi Group'
'Polar Bear' (photoClick to see more information


Polar Bear
), 1926, Stevenson, J.B., Ascot, Berkshire, England
R. decorum ssp diaprepes x R. auriculatum
'Richard Gregory', 1955, Gregory, R.M., , R. auriculatum x R. kyawii
'Royston Regency' (photoClick to see more information


Royston Regency
), 1950, Greig, E,J. & M., Royston Nurseries, Vancouver Island, BC, Canada
R. auriculatum x 'Fabia Group'
'Royston Reverie' (photoClick to see more information


Royston Reverie
), 1980, Greig, E,J. & M., Royston Nurseries, Vancouver Island, BC, Canada
R. auriculatum x 'Fabia Group'
'Swan Lake', 1958, Rothschild, L. de, Founder of Exbury Gardens, UKR. auriculatum x 'Godesberg'
'ungernii x auriculatum', No hybridiser registered, , R. ungernii x R. auriculatum
'Wonderland' (photoClick to see more information


Wonderland
), 1958, Slocock, Walter C., Goldsworth Nursery, Woking, UK
'Alice' x R. auriculatum
'Yates No. 1', 1972, Yates, H.R., Frostburg, Maryland,, USAR. ungernii x R. auriculatum
'Yates No. 2', 1972, Yates, H.R., Frostburg, Maryland,, USAR. ungernii x R. auriculatum


Indirect involvement of R. auriculatum in cultivars: (cultivar = direct child/cultivar of auriculatum)
'Aladdin's Jinni', 1988, Goheen. Dr. David, Camas, Washington, USA'Impi x hemsleyanum' x 'Aladdin'
'Aladdin's Light', 1955, Lancaster, Ben, F., Lackamas Gardens, Camas, Washington, USA'Peach Lady' x 'Aladdin Group'
'Gaelle des Vignes', 2001, Petton, J.-F, , 'Aladdin Group' x 'Polar Bear Group'
'Daisy Mae' (photoClick to see more information


Daisy Mae
), unknown, ,
'Mrs Horace Fogg' x 'Argosy Group'
'Kay Too' (photoClick to see more information


Kay Too
), 1987, Newcomb,L.L., Snohomish, Washington, USA
'auriculatum x Fabia Group' x 'Gargantua'
'Summer Summit' (photoClick to see more information


Summer Summit
), 1958, Leach, Dr. David G., North Madison, Ohio, USA
R. maximum x 'auriculatum x fortunei discolor'
'Edith Berkeley', 1958, Greig, E,J. & M., Royston Nurseries, Vancouver Island, BC, CanadaR. sanguineum ssp sanguineum var didymoides x 'auriculatum x Loderi King George'
'dichroanthum X griffithianum x auriculatum', No hybridiser registered, , R. dichroanthum ssp dichroanthum x 'griffithianum x auriculatum'
'Agleam', 1954, Harrison, E.G.W.W., Bodmin, Cornwall, England'Arthur Osborn' x 'Isabella Group'
'Flamenco', Ingram, C., Benenden, Kent, England'Isabella Group' x R. griersonianum
'Iberia', 1961, Ingram, C., Benenden, Kent, England'Isabella Group' x R. wardii var wardii
'Infanta', 1941, Ingram, C., Benenden, Kent, England'Isabella Group' x R. griersonianum
'Infanta Group', Ingram, C., Benenden, Kent, England'Isabella Group' x R. griersonianum
'Kola Group', 1938, Rothschild, L. de, Founder of Exbury Gardens, UK'Isabella Group' x 'Tally Ho Group'
'Morawen', 1950, Heneage-Vivian, A.W., , 'Isabella Group' x 'Shepherd's Delight Group'
'Morawen Group', 1950, Heneage-Vivian, A.W., , 'Isabella Group' x 'Shepherd's Delight Group'
'Gipsy Moth', 1967, George A.F., Hydon Nursery, Godalming, Surrey, EnglandR. fortunei ssp discolor x 'Lodauric Iceberg'
'Southern Cross', 1965, George A.F., Hydon Nursery, Godalming, Surrey, EnglandR. fortunei ssp discolor x 'Lodauric Iceberg'
'Veldtstar', 1967, George A.F., Hydon Nursery, Godalming, Surrey, EnglandR. fortunei ssp discolor x 'Lodauric Iceberg'
'Agayon', unknown, , 'Polar Bear' x
'Polar Sun', 1939, Digby, Lord, , 'Polar Bear' x R. facetum
'Summer Snow' (photoClick to see more information


Summer Snow
), 1969, Leach, Dr. David G., North Madison, Ohio, USA
R. maximum x 'ungernii x auriculatum'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009