Rhododendron Species


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R. arizelum

SubgenusHymenanthes
SectionPontica
SubsectionFalconeraClick to see all Falconera
Synonyms
R. arizelum var rubicosum
R. rex ssp arizelum   (D.F. Chamb.
D.F. Chamberlain
(0-0)
Scotland
Botanical-short: D.F. Chamb.
)
In cultivation since: 1917

First described: 1920, (Balf.f.
Isaac Bayley Balfour
(1853-1922)
Scotland, Edinburgh
Botanical-short: Balf.f.
& Forrest
George Forrest
(1873-1932)
Scotland, Falkirk
Botanical-short: Forrest
)

Origin: Arunachal Pradesh, Burma and S.E. Tibet 3000-4400 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: early 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: yellow

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
: 700 cm. (23ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 30
R. arizelum per country:
(could be a clue for heat/cold-tolerance)

Canada : 13
Netherlands : 5
United States : 4
France : 3
Belgium : 2
England : 2
Norway : 1



Clones / selections
'Brodick', unknown, ,
'Kaupo', 1978, Vaartnou, H., ,


Send questions, information or pictures

Rhododendron arizelum
Photo byHank Helm
Date30 March, 2008
LocationChimacum Woods Nursery, Washington, USA
See high-resolution version
Rhododendron arizelum
Photo byKen Gibson
DateApril, 2002
LocationPrivate garden, Tofino, Vancouver Island, Canada
See high-resolution version
Rhododendron arizelum
Photo byHank Helm
Date26 March, 2007
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
See high-resolution version
Rhododendron arizelum
Photo byHank Helm
Date30 March, 2008
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
See high-resolution version
Rhododendron arizelum
Photo byKen Gibson
Date12 April, 2004
LocationPrivate garden, Tofino, Vancouver Island, Canada
See high-resolution version
Rhododendron arizelum
Photo byKen Gibson
DateApril, 2002
LocationPrivate garden, Tofino, Vancouver Island, Canada
See high-resolution version
Rhododendron arizelum
Photo byYves Tuset
Date21 October, 2011
Locationprivate garden France
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Rhododendron arizelum
Photo byEverard Daniel
Date29 April, 2007
LocationRoyal Windsor Great Park, Valley
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Rhododendron arizelum
R. arizelum can become a tree
Photo byGarth Wedemire
Date11 April, 2010
LocationUniversity of Britsh Columbia, Vancouver, Canada
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Rhododendron arizelum
Photo byGarth Wedemire
Date11 April, 2010
LocationUniversity of Britsh Columbia, Vancouver, Canada
See high-resolution version
Rhododendron arizelum
Photo byGarth Wedemire
Date11 April, 2010
LocationUniversity of Britsh Columbia, Vancouver, Canada
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Rhododendron arizelum
new foliage starts
Photo byHerman Van Ree
Date28 April, 2010
Locationown garden Nunspeet, Netherlands
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Rhododendron arizelum
Photo byHerman Van Ree
Date30 April, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version
Rhododendron arizelum
Photo byHerman Van Ree
Date05 April, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version
Rhododendron arizelum
Photo byHerman Van Ree
Date18 October, 2009
LocationNunspeet, Netherlands
Rhododendron arizelum
Photo byHerman Van Ree
Date18 October, 2009
LocationNunspeet, Netherlands
Rhododendron arizelum
new foliage
Photo byHerman Van Ree
Date24 June, 2010
Locationown garden Nunspeet, Netherlands
See high-resolution version



arizelum 'Kaupo'
Rhododendron arizelum
Photo byKen Gibson
Date16 March, 2004
LocationPrivate garden, Tofino, Vancouver Island, Canada
See high-resolution version

Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. arizelum is directly involved:     show indirect inv.
'James Colville', 1970, Moffat, R, , R. arizelum x R. macabeanum

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Rhododendron Species   Hirsutum.info     Project started 03 June 2009