Rhododendron Hybrids / cultivars

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Rhododendron 'Cynthia'

Hybridiser:Standish & Noble. Bagshot, Surrey, England, 1856 (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:unknownFlower:unknown
Type:elepidoteLeaves:unknown
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: 43
R. Cynthia per country:
(could be a clue for heat/cold-tolerance)

France : 22
United States : 8
Netherlands : 6
England : 5
Canada : 1
Norway : 1


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

XR. griffithianum   Click to see more information



Rhododendron 'Cynthia' photos

 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date30 April, 2014
See high-resolution picture
 
Photo byFrederick Thurber
LocationPrivate garden in Westport Point, Massachusetts, MA
Date11 May, 2012
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Photo byRobert Day
Locationprivate garden Kalamazoo, MI, USA
Date
See high-resolution picture
 
Photo byDavid and Lorie Ideal Gardens
LocationIdeal Gardens, Johnstown, PA, USA
Date29 April, 2011
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Photo byBill & Cheryl Gray
LocationCisco Heights National Forest & Rhody Ranch, WA, USA
Date06 June, 2011
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Photo byGarth Wedemire
Location Playfair Park in Victoria, BC Canada
Date28 May, 2005
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Photo byGarth Wedemire
LocationPlayfair Park in Victoria, BC Canada
Date28 May, 2005
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Photo byGarth Wedemire
LocationMorton Garden in White Rock, BC, Canada
Date21 May, 2008
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This plant (stamens) looks different from the other pictures.
Photo byDavid and Lorie Ideal Gardens
LocationIdeal Gardens, Johnstown, PA, USA
Date10 May, 2010
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date26 April, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationPrivate garden, Herpen, Netherlands
Date26 April, 2014
See high-resolution picture




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'Aggie''Cynthia' x 'Purple Splendour'Stockman, M., 1986
'Babar'   Click to see more information


  Babar
'Cynthia' x 'Nova Zembla'Player, L. M., 1975
'Countess of Derby'   Click to see more information


  Countess of Derby
'Pink Pearl' x 'Cynthia'White, H.
'Doris Nolan''Kammer's Ruffles' x 'Cynthia'Stockman, M., 1983
'Edward Cornelius''Cynthia' x 'Kammer's Ruffles'Stockman, M., 1983
'Heinje's Venezia'R. degronianum ssp yakushimanum 'Koichiro Wada' x 'Cynthia'Heinje, D., 1964
'Isadora'   Click to see more information


  Isadora
R. degronianum ssp yakushimanum 'Koichiro Wada' x 'Cynthia'Heinje, D., 1962
'Kareness''Cynthia' x 'Purple Splendour'Stockman, M., 1983
'Lady Longman''Cynthia' x 'Lady Eleanor Cathcart'White, H., 1929
'Pink Perfection''Pink Pearl' x 'Cynthia'Gill, Richards & Sons, 1920
'Seraphine'R. degronianum ssp yakushimanum 'Koichiro Wada' x 'Cynthia'Heinje, D., 1964
'Vonnie Stockman''Purple Splendour' x 'Cynthia'Stockman, M., 1983
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009