Rhododendron Species


Gallery: ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

R. thayerianum

SubgenusHymenanthes
SectionPontica
SubsectionArgyrophyllaClick to see all Argyrophylla
In cultivation since: 1910

First described: 1913, (Rehder
Alfred Rehder
(1863-1949)
Germany
Botanical-short: Rehder
& E.H. Wilson
Ernest Henry Wilson
(1876-1930)
England, Chipping Campden
Botanical-short: E.H. Wilson
)

Origin: Central Sichuan

Corolla: funnel-campanulate
Leaves: narrowly oblanceolate

Habit: terrestrial
epiphytic = living on dead organic material (decaying trees f.i)
terrestrial = in soil (like in your garden)

Winter: evergreen
Bloomtime: 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
: 300 cm. (10ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 13
R. thayerianum per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 6
United States : 3
Canada : 2
England : 1
Belgium : 1




Send questions, information or pictures

Rhododendron thayerianum
Photo byJens Birck
Date10 June, 2005
LocationKastrup, Denmark
See high-resolution version
Rhododendron thayerianum
Photo byCoen Zonneveld
Date
LocationDiepenveen, Netherlands
See high-resolution version
Rhododendron thayerianum
Photo byCoen Zonneveld
Date
LocationDiepenveen, Netherlands
Rhododendron thayerianum
obtained from RSBG
Photo byPeter Norris
Date23 July, 2012
LocationPrivate garden on Marthas Vineyard, MA USA [z 6-7]
See high-resolution version
Rhododendron thayerianum
Photo byJens Birck
Date
Location
Rhododendron thayerianum
Photo byGarth Wedemire
Date11 April, 2010
LocationUniversity of Britsh Columbia, Vancouver, Canada
See high-resolution version
Rhododendron thayerianum
Photo byGarth Wedemire
Date11 April, 2010
LocationUniversity of Britsh Columbia, Vancouver, Canada
See high-resolution version
Rhododendron thayerianum
Photo byHerman Van Ree
Date26 October, 2009
LocationArboretum Belmonte, Wageningen, Netherlands

Rhododendron thayerianum
Photo byHerman Van Ree
Date26 October, 2009
LocationArboretum Belmonte, Wageningen, Netherlands




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


Amor
), 1927, Stevenson, J.B., Ascot, Berkshire, England
R. griersonianum x R. thayerianum

_____________________________________________________________________________________________________________________________________
Rhododendron Species   Hirsutum.info     Project started 03 June 2009