Rhododendron Species


R. viscidifolium

SubsectionThomsoniaClick to see all Thomsonia
In cultivation since: ?

First described: 1966, (Davidian
H.H. Davidian
Botanical-short: Davidian


Corolla: tubular-campanulate
Leaves: oval to rounded

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

Winter: evergreen
Bloomtime: midseason
Hardiness: H3
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: orange

The figures listed here are the observed size in the natural environment.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
: 150 cm. (5ft.)

In 'Your Garden' you can administrate
your rhododendrons.

To try/see this go 'Home' (top-right).
on hirstum.info: 2
R. viscidifolium per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 2

Send questions, information or pictures

Rhododendron viscidifolium
Photo bySteve Henning
Date18 May, 2005
LocationArduaine Gardens, Argyll, Scotland
See high-resolution version

Parentage according the IRRC of the Royal Horticultural Society
Hybrids / cultivars where R. viscidifolium is directly involved:     show indirect inv.
'Golden Anniversary', 1897, Dixon, G., , 'Naomi Nautilus' x R. viscidifolium
'Golden Beauty', 1987, Dixon, G., , 'Naomi Nautilus' x R. viscidifolium
'Kupferberg' (photoClick to see more information

), 1991, Wieting, J., Baumschulen, Gisselhorst/Westerstede, Germany
R. viscidifolium x R. dichroanthum ssp scyphocalyx
'Top Banana x viscidifolium' (photoClick to see more information

Top Banana x viscidifolium
), No hybridiser registered, ,
'Top Banana' x R. viscidifolium
'viscidifolium x wardii', No hybridiser registered, , R. viscidifolium x R. wardii var wardii
'Viscy' (photoClick to see more information

), 1950, Hobbie, Dietrich G., Westerstede/Linswege, Germany
'Diane' x R. viscidifolium
'wardii x viscidifolium', No hybridiser registered, , R. wardii var wardii x R. viscidifolium

Indirect involvement of R. viscidifolium in cultivars: (cultivar = direct child/cultivar of viscidifolium)
'Cade's Cove' (photoClick to see more information

Cade's Cove
), 1981, Barlup, Jim, Bellevue, USA
'Golden Anniversary' x 'Lionel's Triumph x Loderi King George X macabeanum'
'Jessie's Song' (photoClick to see more information

Jessie's Song
), 1984, Barlup, Jim, Bellevue, USA
'Nancy Evans' x 'Golden Anniversary'
'Bernsteingold', 1988, Genzel, U., Westerstede, Germany'Kupferberg' x 'Wega Group'
'Feenschleier' (photoClick to see more information

), 1988, Genzel, U., Westerstede, Germany
'Schneebukett' x 'Kupferberg'
'Kupferberg x proteoides' (photoClick to see more information

Kupferberg x proteoides
), No hybridiser registered, ,
'Kupferberg' x R. proteoides
'Barbarella' (photoClick to see more information

), 1984, Hachmann, Holger, ,
'Lampion' x 'viscidifolium x wardii'
'Sharon Wall', 1988, Dixon, G., , R. souliei x 'wardii x viscidifolium'
Rhododendron Species   Hirsutum.info     Project started 03 June 2009