Rhododendron Species


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R. rex ssp rex

SubgenusHymenanthes
SectionPontica
SubsectionFalconeraClick to see all Falconera
In cultivation since: 1913

First described: 1914, (H.LÚv.
Augustin Abel Hector LÚveillÚ
(1863-1918)
France
Botanical-short: H.LÚv.
)

Origin: S. Sichuan and N.E Yunnan 3000-4300 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: 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: 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: 33
R. rex ssp rex per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 10
Belgium : 6
United States : 5
Canada : 4
England : 3
France : 2
Germany : 2
Norway : 1



Clones / selections
'Nicholas Vaartnou', 1985, Vaartnou, H., ,
'Quartz', 1955, Crown Estate Commissioners, Windsor, Berkshire, England
'Roseum', unknown, ,
'Ward's Rex', unknown, ,


Send questions, information or pictures

Rhododendron rex ssp rex
over 10 years old 6
Photo byKathy & Bill McKay
Date22 April, 2012
LocationNorth Saanich, BC, Canada
Rhododendron rex ssp rex
Photo byJens Birck
Date
LocationKastrup, Denmark
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Rhododendron rex ssp rex
Sich1236, planted 1997
Photo byDr. Stephan Bubert
Date20 April, 2008
LocationPrivate garden, Hamburg, Germany
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Rhododendron rex ssp rex
Photo byGarth Wedemire
Date01 May, 2009
LocationMeerkerk Garden, Whidbey Island USA
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Rhododendron rex ssp rex
Photo byGarth Wedemire
Date01 May, 2009
LocationMeerkerk Garden, Whidbey Island USA
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Rhododendron rex ssp rex
Photo byGarth Wedemire
Date21 April, 2007
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
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Rhododendron rex ssp rex
Photo byEverard Daniel
Date08 May, 2004
LocationHydon Nurseries, Surrey, England
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Rhododendron rex ssp rex
Photo byJens Birck
Date
Location
Rhododendron rex ssp rex
Photo byGarth Wedemire
Date21 April, 2007
LocationRhododendron Species Botanical Garden, Federal Way, Washington, USA
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Rhododendron rex ssp rex
Photo byCoen Zonneveld
Date27 April, 2008
LocationPrivate garden, Diepenveen, Netherlands
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Rhododendron rex ssp rex
Photo bySusan Lightburn
Date02 May, 2008
LocationExbury Garrdens, England
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Rhododendron rex ssp rex
Photo byCoen Zonneveld
Date20 May, 2007
LocationPrivate garden, Diepenveen, Netherlands
Rhododendron rex ssp rex
flower bud R. rex ssp rex
Photo byJens Birck
Date
Location
Rhododendron rex ssp rex
new foliage
Photo byHerman Van Ree
Date27 May, 2012
Locationown garden, Nunspeet Netherlands
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Rhododendron rex ssp rex
Photo bySusan Lightburn
Date23 May, 2013
LocationArt Lightburn Garden, Vancouver Island, BC, Canada
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Rhododendron rex ssp rex
Photo bySusan Lightburn
Date23 May, 2013
LocationArt Lightburn Garden, Vancouver Island, BC, Canada
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Rhododendron rex ssp rex
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens, Vancouver
Rhododendron rex ssp rex
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens, Vancouver
Rhododendron rex ssp rex
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens, Vancouver
Rhododendron rex ssp rex
Photo byHerman Van Ree
Date21 August, 2009
LocationUBC Botanical Gardens, Vancouver
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Rhododendron rex ssp rex
new foliage buds
Photo byHerman Van Ree
Date28 April, 2010
Locationown garden Nunspeet, Netherlands
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rex ssp rex 'Quartz'
Rhododendron rex ssp rex
Photo byHank Helm
Date15 April, 2006
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
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rex ssp rex 'Quartz'
Rhododendron rex ssp rex
Photo byHank Helm
Date15 April, 2006
LocationRhododendron Species Botanical Garden, Federal Way, WA, USA
See high-resolution version
rex ssp rex 'Quartz'
Rhododendron rex ssp rex
Photo byGarth Wedemire
Date07 April, 2007
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. rex ssp rex is directly involved:     show indirect inv.
'C.I.S. x rex', No hybridiser registered, , 'C.I.S.' x R. rex ssp rex
'Catherine Hopwood', 1960, Harrison, E.G.W.W., Bodmin, Cornwall, EnglandR. rex ssp rex x 'Sincerity'
'Gedser Wave' (photoClick to see more information


Gedser Wave
), 2006, Rasmussen, Mogens, Gedser, Denmark
R. rex ssp rex x 'Desert Gold'
'Great Dane' (photoClick to see more information


Great Dane
), 1975, Birck, Jens, Kastrup, Denmark
R. degronianum ssp yakushimanum x R. rex ssp rex
'rex x Desert Gold', unknown, , R. rex ssp rex x 'Desert Gold'
'rex x smirnowii' (photoClick to see more information


rex x smirnowii
), No hybridiser registered, ,
R. rex ssp rex x R. smirnowii
'smirnowii x rex' (photoClick to see more information


smirnowii x rex
), Flavell, Richard, New Haven, USA
R. smirnowii x R. rex ssp rex
'Whidbey Island' (photoClick to see more information


Whidbey Island
), 1977, Meerkerk, A., Meerkerk Rhododendrons Gardens, Greenbank, Washington, USA
R. niveum x R. rex ssp rex


Indirect involvement of R. rex ssp rex in cultivars: (cultivar = direct child/cultivar of rex ssp rex)
'C.I.S. x rex X Hansel', No hybridiser registered, , 'C.I.S. x rex' x 'Hansel'
'rex x Desert Gold X Goldprinz' (photoClick to see more information


rex x Desert Gold X Goldprinz
), 2008, Rasmussen, Mogens, Gedser, Denmark
'rex x Desert Gold' x 'Goldprinz'
'Amiblue' (photoClick to see more information


Amiblue
), 1993, Stipe, W.A., Glynneden Garden, Greenbank, Washington, USA
R. ponticum x 'Whidbey Island'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009