Rhododendron Species


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R. hyperythrum

SubgenusHymenanthes
SectionPontica
SubsectionPonticaClick to see all Pontica
Synonyms
R. rubropunctatum   (Hayata
Bunzō Hayata
(1874-1934)
Japan
Botanical-short: Hayata
)
In cultivation since: 1930

First described: 1913, (Hayata
Bunzō Hayata
(1874-1934)
Japan
Botanical-short: Hayata
)

Origin: N. Taiwan 900-1200 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: 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
: 250 cm. (8ft.)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 27
R. hyperythrum per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 14
Canada : 5
United States : 4
France : 2
England : 1
Japan : 1



Clones / selections
'Omo', 1976, Ingram, C., Benenden, Kent, England


Send questions, information or pictures

Rhododendron hyperythrum
Photo byRinus Manders
Date10 April, 2014
LocationArboretum Belmonte, Wageningen, Netherlands
See high-resolution version
Rhododendron hyperythrum
Photo byKathy & Bill McKay
Date22 April, 2012
LocationNorth Saanich, BC, Canada
Rhododendron hyperythrum
Photo byJim Willhite
Date14 April, 2012
LocationJenkins Arboretum, Devon, PA, USA
See high-resolution version
Rhododendron hyperythrum
Photo byHerman Van Ree
Date24 April, 2010
LocationArboretum Belmonte, Wageningen, Netherlands
See high-resolution version

Rhododendron hyperythrum
Photo byJim Willhite
Date14 April, 2012
LocationJenkins Arboretum, Devon, PA, USA
See high-resolution version
Rhododendron hyperythrum
Photo byCoen Zonneveld
Date
LocationDiepenveen, Netherlands
See high-resolution version
Rhododendron hyperythrum
over 10 years old 5
Photo byKathy & Bill McKay
Date22 April, 2012
LocationNorth Saanich, BC, Canada
Rhododendron hyperythrum
Photo byRinus Manders
Date10 April, 2014
LocationArboretum Belmonte, Wageningen, Netherlands
See high-resolution version
Rhododendron hyperythrum
Photo byHank Helm
Date21 April, 2013
LocationHank Helm Garden, Bainbridge Island, WA, USA
See high-resolution version
Rhododendron hyperythrum
Photo byGarth Wedemire
Date21 April, 2010
Locationprivate garden, Maple Ridge, BC, Canada
See high-resolution version
Rhododendron hyperythrum
Photo byJim Willhite
Date24 April, 2010
Locationprivate garden Berwyn, PA, USA
See high-resolution version
Rhododendron hyperythrum
Photo bySusan Lightburn
Date04 July, 2010
Locationprivate garden, Vancouver Island, Canada
See high-resolution version
Rhododendron hyperythrum
Photo bySusan Lightburn
Date04 July, 2010
Locationprivate garden, Vancouver Island, Canada
Rhododendron hyperythrum
Young plant from seed (ARS 2008 498)
Photo byHerman Van Ree
Date12 November, 2009
LocationNunspeet, Netherlands




Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. hyperythrum is directly involved:     show indirect inv.
'Boomer', 1990, Thornton, J.T., , R. hyperythrum x 'Sham's Ruby'
'Breezy', 1989, Thornton, J.T., , 'Janet Blair' x R. hyperythrum
'CeeCee', 1997, Southerland, Stan B., Chapel Hill, NC, USA'Vulcan' x R. hyperythrum
'Cornelia Sanders' (photoClick to see more information


Cornelia Sanders
), Sanders, S & C, Bethesda, Maryland, USA
R. hyperythrum x R. degronianum ssp yakushimanum
'decorum x hyperythrum', No hybridiser registered, , R. decorum ssp decorum x R. hyperythrum
'Elizabeth Ard', 1944, Pushepetappa Gardens, , 'English Roseum' x R. hyperythrum
'Hypermax' (photoClick to see more information


Hypermax
), 1999, Delp Weldon E., Harrisville, Pensylvania, USA
R. hyperythrum x R. maximum
'hyperythrum x The Honourable Jean Marie de Montague', No hybridiser registered, , R. hyperythrum x 'The Honourable Jean Marie de Montague'
'Martha Player' (photoClick to see more information


Martha Player
), 1998, Player, L. M., Fayetteville, North Carolina, USA
R. hyperythrum x 'Mrs Sam'
'metternichii x hyperythrum' (photoClick to see more information


metternichii x hyperythrum
), unknown, ,
R. degronianum ssp degronianum x R. hyperythrum
'Michele Smith' (photoClick to see more information


Michele Smith
), 1994, Thornton, J.T., ,
'Scintillation' x R. hyperythrum
'Peppermint Twist' (photoClick to see more information


Peppermint Twist
), 1992, Thornton, J.T., ,
R. hyperythrum x 'Princess Elizabeth'
'Pure Cream', 1988, Rothschild, Edmund Leopold de, Southampton, UKR. hyperythrum x 'Crest'
'Quaker Girl Group', 1950, Rothschild, Edmund Leopold de, Southampton, UKR. hyperythrum x 'Avalanche Group'
'Ring's Early Splendor' (photoClick to see more information


Ring's Early Splendor
), 1979, Ring, T.L., Bellaire, Ohio, USA
R. hyperythrum x R. catawbiense 'Catalgla'
'Starglider', 1992, Delp Weldon E., Harrisville, Pensylvania, USA'Tols' x R. hyperythrum
'Woodcock', 1952, Hanger, F.E.W., RHS Garden, Wisley, Surrey, England'Elizabeth Group' x R. hyperythrum
'Zyuni-hitoe', 1993, Saito, S., , R. degronianum ssp yakushimanum 'Koichiro Wada' x R. hyperythrum


Indirect involvement of R. hyperythrum in cultivars: (cultivar = direct child/cultivar of hyperythrum)
'Snow Monarch', 1997, Furman, R.A., Brewster, MA, USA'Pure Pleasure' x 'decorum x hyperythrum'
'Morioka-bijin', 1979, Terai, K, , 'Pilgrim Group' x 'hyperythrum x The Honourable Jean Marie de Montague'
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Rhododendron Species   Hirsutum.info     Project started 03 June 2009