Rhododendron Species


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R. arboreum ssp zeylanicum

SubgenusHymenanthes
SectionPontica
SubsectionArboreaClick to see all Arborea
Synonyms
R. rollissonii
R. zeylanicum
In cultivation since: 1830

First described: (Booth
William Beattie Booth
(0-0)
Botanical-short: Booth
& Tagg
Harry F. Tagg
(1874-1933)
Scotland, Edinburgh
Botanical-short: Tagg
)

Origin:

Corolla: tubular-campanulate
Leaves: ovate

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: H2
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
: 900 cm. (30ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 3
R. arboreum ssp zeylanicum per country:
(could be a clue for heat/cold-tolerance)

France : 2
United States : 1




Send questions, information or pictures

Rhododendron arboreum ssp zeylanicum
Photo byRinus Manders
Date13 May, 2012
LocationLogan Botanic Garden, Scotland, UK
See high-resolution version
Rhododendron arboreum ssp zeylanicum
Photo byHank Helm
Date
LocationWarren Berg Garden, Washington, USA
See high-resolution version
Rhododendron arboreum ssp zeylanicum
Photo byRinus Manders
Date13 May, 2012
LocationLogan Botanic Garden, Scotland, UK
See high-resolution version
Rhododendron arboreum ssp zeylanicum
Photo byHank Helm
Date08 September, 2013
LocationHank Helm Garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron arboreum ssp zeylanicum
Photo byHank Helm
Date13 July, 2012
LocationHank Helm Garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron arboreum ssp zeylanicum
Photo byHank Helm
Date07 June, 2014
LocationPrivate garden, Bainbridge Island, WA, USA
See high-resolution version




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. arboreum ssp zeylanicum is directly involved:     show indirect inv.
'arboreum ssp zeylanicum x Pink Pearl', No hybridiser registered, , R. arboreum ssp zeylanicum x 'Pink Pearl'
'Gwillt-king' (photoClick to see more information


Gwillt-king
), 1938, Haig, C., ,
R. griersonianum x R. arboreum ssp zeylanicum
'Ilam Alarm', 1947, Stead, E.F., , R. arboreum ssp zeylanicum x R. griffithianum
'Ilam Apricot', 1958, Stead, E.F., , 'Pink Pearl' x R. arboreum ssp zeylanicum
'Ilam Cornubia', 1947, Stead, E.F., , R. arboreum ssp zeylanicum x 'Shilsonii Group'
'Rapture Group', 1927, Aberconway, Lord, Bodnant, Tal-y-Cafn, WalesR. griersonianum x R. arboreum ssp zeylanicum
'Robert Balch', 1960, Balch, R.W., Parks & Garden Dept., Dunedin, New ZealandR. arboreum ssp zeylanicum x R. elliottii


Indirect involvement of R. arboreum ssp zeylanicum in cultivars: (cultivar = direct child/cultivar of arboreum ssp zeylanicum)
'Ilam Orange', 1958, Stead, E.F., , 'arboreum ssp zeylanicum x Pink Pearl' x R. dichroanthum ssp dichroanthum
'Edgar Stead', 1958, Stead, E.F., , 'Ilam Alarm' x 'Shilsonii Group'
'Kaka', 1950, Stead, E.F., , 'Ilam Alarm' x R. griersonianum
'Scarlet King Group', 1947, Stead, E.F., , 'Ilam Alarm' x R. griersonianum
'Aglare', 1947, Harrison, E.G.W.W., Bodmin, Cornwall, England'Arthur Osborn' x 'Rapture Group'
'Mimulus', 1950, Aberconway, Lord, Bodnant, Tal-y-Cafn, Wales'Anita' x 'Rapture Group'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009