Rhododendron Hybrids / cultivars

Gallery name starting with: 12ABCDEFGHIJKLMNOPQRSTUVWXYZHOME to hirsutum.info

Rhododendron 'Double Winner'

Hybridiser:Larson, H.L.. Tacoma, Washington, USA, 1983 (see more plants of this hybridizer)
Status:IRRC registered.
Height
Height
The figures listed here are averages.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
in 10 years
150 cm. (5ft.)
Bloom time:early midseasonFlower:unknown
Type:elepidoteLeaves:unknown
Hardiness:H4
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)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 11
R. Double Winner per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 4
Canada : 3
United States : 3
France : 1


Seed-parentPollen-parent
R. strigillosum   Click to see more information

X?


Rhododendron 'Double Winner' photos

 
Photo bySusan Lightburn
LocationEverett, Washington, USA
Date20 April, 2009
See high-resolution picture
 
Photo byKen Gibson
LocationPrivate garden, Tofino, Vancouver Island, Canada
Date07 April, 2004
See high-resolution picture
 
Photo byKen Gibson
LocationPrivate garden, Tofino, Vancouver Island, Canada
Date11 April, 2004
See high-resolution picture
 
Photo byJoep Verstappen
Locationprivate garden Budel, Netherlands
Date03 May, 2006
 
new foliage
Photo byTijs Huisman
Location
Date20 May, 2002
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'No. 6 x Double Winner'   Click to see more information


  No. 6 x Double Winner
'No. 6' x 'Double Winner'Watson, E.M. Mrs. (Elsie)
'Rosalie Hall'   Click to see more information


  Rosalie Hall
R. degronianum ssp yakushimanum x 'Double Winner'Newcomb, E.F., 1979
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009