Rhododendron Hybrids / cultivars

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Rhododendron 'Blue Diamond'

Hybridiser:Crosfield, J. J.. Embley Park, Romsey, Hampshire, UK, 1939 (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
100 cm. (3ft.)
Bloom time:early midseasonFlower:unknown
Type:lepidoteLeaves: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: 37
R. Blue Diamond per country:
(could be a clue for heat/cold-tolerance)

United States : 22
Canada : 4
New Zealand : 4
France : 2
Netherlands : 2
Sweden : 2
Norway : 1


Seed-parentPollen-parent
'Intrifast Group'   Click to see more information XR. augustinii ssp augustinii   Click to see more information

R. intricatum   Click to see more informationxR. fastigiatum   Click to see more information



Rhododendron 'Blue Diamond' photos

 
Photo byDaniele Magro
LocationPrivate garden, Tirano, Sondrio, Italy
Date03 May, 2009
See high-resolution picture
 
Photo bySteve Henning
LocationSipe Garden, Whidbey Island, Washington, USA
Date01 May, 2009
See high-resolution picture
 
Photo byHan Boerrigter
LocationPrivate garden, Groningen, Netherlands
Date11 May, 2013
See high-resolution picture
 
Photo byGarth Wedemire
LocationVan Dusen Botanical Garden, Vancouver BC, Canada
Date09 April, 2010
See high-resolution picture
 
Photo byGarth Wedemire
LocationVan Dusen Botanical Garden, Vancouver BC, Canada
Date09 April, 2010
See high-resolution picture
 
Photo byGarth Wedemire
LocationVan Dusen Botanical Garden, Vancouver BC, Canada
Date09 April, 2010
See high-resolution picture
 
Photo byJeannie & Calvin Parsons
LocationGlendale Gardens, Victoria, BC, Canada
Date07 April, 2010
See high-resolution picture
 
Photo byHan Boerrigter
LocationPrivate garden, Groningen, Netherlands
Date12 April, 2012
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Azurwolke'   Click to see more information


  Azurwolke
R. russatum x 'Blue Diamond'Hachmann, Hans, 1961
'Blue Chip'R. russatum x 'Blue Diamond'George A.F., 1966
'minus Carolinianum Group x Blue Diamond'R. minus Carolinianum Group x 'Blue Diamond'unknown
'Oceanlake'   Click to see more information


  Oceanlake
'Sapphire' x 'Blue Diamond'Wright, A.O., 1965
'Saint Wenn''Blue Diamond' x R. polycladum Scintillans GroupHarrison, E.G.W.W., 1952
'Seņora Meldon'   Click to see more information


  Seņora Meldon
R. augustinii ssp augustinii 'Lackamas Blue' x 'Blue Diamond'Goheen. Dr. David, 1982
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009