Rhododendron Species


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R. ungernii

SubgenusHymenanthes
SectionPontica
SubsectionPonticaClick to see all Pontica
In cultivation since: 1886

First described: 1886, (Trautv.
Ernst Rudolf von Trautvetter
(1809-1889)
Germany, Mitau
Botanical-short: Trautv.
)

Origin: N.E. Turkey and adjacent Caucasus, 800-2000 meter

Corolla: funnel-campanulate
Leaves: oblanceolate

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:
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
: 500 cm. (17ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 9
R. ungernii per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 7
England : 1
Canada : 1



Natural Hybrids
charadzeae =(smirnowii x ungernii)

Clones / selections
'Rachel Foster', 2005, Rothschild, Edmund Leopold de, Southampton, UK


Send questions, information or pictures

Rhododendron ungernii
Photo byEverard Daniel
DateJuly, 2004
LocationRoyal Windsor Great Park, Valley
See high-resolution version
Rhododendron ungernii
Photo byCoen Zonneveld
Date07 July, 2002
LocationDiepenveen, Netherlands
See high-resolution version
Rhododendron ungernii
Photo byCoen Zonneveld
Date07 July, 2002
LocationDiepenveen, Netherlands
Rhododendron ungernii
Photo byEverard Daniel
DateJuly, 2004
LocationRoyal Windsor Great Park, Valley
See high-resolution version
Rhododendron ungernii
Photo byEverard Daniel
DateJuly, 2004
LocationRoyal Windsor Great Park, Valley
See high-resolution version
Rhododendron ungernii
Photo byHerman Van Ree
Date18 October, 2009
LocationNunspeet, Netherlands
Rhododendron ungernii
Young plant (8 months) from seed (AR 2008 165 cw Georgia)
Photo byHerman Van Ree
Date29 November, 2009
LocationNunspeet, Netherlands




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. ungernii is directly involved:     show indirect inv.
'Europa Group' (photoClick to see more information


Europa Group
), 1937, Rothschild, L. de, Founder of Exbury Gardens, UK
R. ungernii x R. kyawii
'hemsleyanum x ungernii' (photoClick to see more information


hemsleyanum x ungernii
), No hybridiser registered, ,
R. hemsleyanum x R. ungernii
'Piepmatz', 1967, Nagel, W. (Walter), Bretten, Baden, Germany'Carmen' x R. ungernii
'ungernii x auriculatum', No hybridiser registered, , R. ungernii 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. ungernii in cultivars: (cultivar = direct child/cultivar of ungernii)
'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