Rhododendron Hybrids / cultivars

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Rhododendron 'Polar Bear'

Hybridiser:Stevenson, J.B.. Ascot, Berkshire, England, 1926 (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
200 cm. (7ft.)
Bloom time:very lateFlower:trumpet-shaped
Type:elepidoteLeaves:oblong-elliptic
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)

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

To try/see this go 'Home' (top-right).
on hirstum.info: 18
R. Polar Bear per country:
(could be a clue for heat/cold-tolerance)

England : 5
France : 5
Canada : 4
Netherlands : 2
Ireland : 1
Wales : 1


Seed-parentPollen-parent
R. decorum ssp diaprepes   Click to see more information

XR. auriculatum   Click to see more information



Rhododendron 'Polar Bear' photos

 
Photo byRinus Manders
LocationArboretum Belmonte, Wageningen, Netherlands
Date13 June, 2014
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date15 July, 2010
See high-resolution picture
 
Photo byRinus Manders
LocationArboretum Belmonte, Wageningen, Netherlands
Date13 June, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationArboretum Belmonte, Wageningen, Netherlands
Date13 June, 2014
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date15 July, 2010
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date09 July, 2005
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date26 June, 2010
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date26 June, 2010
See high-resolution picture
 
Photo byYves Tuset
Locationprivate garden France
Date09 July, 2005
See high-resolution picture
 
This is the Tremeer clone. According to Alan Clark who knew Roza Sevenson, this one is the FCC 1946
Photo byYves Tuset
Locationprivate garden France
Date09 July, 2005
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Agayon''Polar Bear' x ?unknown
'Polar Sun''Polar Bear' x R. facetumDigby, Lord, 1939
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009