Rhododendron Hybrids / cultivars

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Rhododendron 'America'

Hybridiser:Koster M. & Sons. Boskoop, Netherlands, 1902 (see more plants of this hybridizer)
Status:IRRC registered.
Additional parentage info:() x (dark red hybrid of unknown parentage)
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:midseasonFlower: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
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To try/see this go 'Home' (top-right).
on hirstum.info: 15
R. America per country:
(could be a clue for heat/cold-tolerance)

Netherlands : 6
Canada : 3
United States : 2
Belgium : 1
Norway : 1
Poland : 1
France : 1


Seed-parentPollen-parent
'Parsons Grandiflorum'   Click to see more information X?
?x?


Rhododendron 'America' photos

 
Photo bySteve Henning
LocationBremen Rhododendron Park, Bremen, Germany
Date20 May, 2010
See high-resolution picture
 
Photo bySteve Henning
LocationBremen Rhododendron Park, Bremen, Germany
Date20 May, 2010
See high-resolution picture
 
Photo bySteve Henning
LocationPlanting Fields Arboretum, Oyster Bay, Long Island, NY, USA
Date16 May, 2010
See high-resolution picture
 
Photo byunknown
Location
Date




Send your own information or pictures


Parentage according the IRRC of the Royal Horticultural Society
Involved in other cultivars:Hybridiser
'America x Ann Rutledge''America' x 'Umpqua Chief x War Paint'No hybridiser registered
'America x Blaze''America' x 'Blaze'No hybridiser registered
'America x Doctor V.H. Rutgers''America' x 'Doctor V.H. Rutgers'No hybridiser registered
'America x Gertrud Schäle Group''America' x 'Gertrud Schäle Group'No hybridiser registered
'America x Mars''America' x 'Mars'No hybridiser registered
'America x Nova Zembla''America' x 'Nova Zembla'No hybridiser registered
'America x yakushimanum''America' x R. degronianum ssp yakushimanumNo hybridiser registered
'Anka Heinje'   Click to see more information


  Anka Heinje
R. degronianum ssp yakushimanum 'Koichiro Wada' x 'America'Heinje, D., 1984
'Ballad'   Click to see more information


  Ballad
? x 'America'Leach, Dr. David G., 1972
'Degram Group''decorum x griersonianum' x 'America'Gable, J.B., 1946
'Delp's Cindy Lou''America' x 'Mars x catawbiense'Delp Weldon E., 1960
'Delp's Yankee Doodle''America' x R. degronianum ssp yakushimanumDelp Weldon E., 1974
'Dorothy Amateis'   Click to see more information


  Dorothy Amateis
'America' x 'Purple Splendour'Amateis, Edmond, 1955
'Double Faced''America' x 'Ann Rutledge'Delp Weldon E., 1976
'Ed's Red''Mars' x 'America'Reiley, H.E., 1957
'Fanfare''America' x 'Kettledrum'Shammarello, A.M, 1947
'Genevieve Schmidt'   Click to see more information


  Genevieve Schmidt
'America' x R. degronianum ssp yakushimanumDelp Weldon E., 1973
'Great Lakes x America''Great Lakes' x 'America'unknown
'Indian Chief''America' x 'Kettledrum'Stokes, W.E., 1958
'Jazzy Virtues''Windsor Lad' x 'America'Crober, L.G., 1999
'Lionel's Red Shield'   Click to see more information


  Lionel's Red Shield
'America' x 'Carmen Group'Brueckner, J.B., 1969
'Madonna''decorum x griersonianum' x 'America'Gable, J.B., 1941
'Madrid'   Click to see more information


  Madrid
? x 'America'Leach, Dr. David G., 1953
'Oakton'   Click to see more information


  Oakton
'America' x R. degronianum ssp yakushimanumSchumacher, F.W., 1967
'Red Brave''America' x 'Mars'Baldanza, S., 1955
'Red Carpet''America' x R. forrestii Repens GroupHobbie, Dietrich G., 1945
'Salmon Pink'   Click to see more information


  Salmon Pink
R. brachycarpum ssp brachycarpum x 'America'Guyens, H.J.A., 1986
'Skookum'   Click to see more information


  Skookum
'yakushimanum x Mars' x 'America'Larson, H.L., 1965
'smirnowii x America'R. smirnowii x 'America'No hybridiser registered
'Sumatra'   Click to see more information


  Sumatra
'America' x 'Gertrud Schäle Group'Leach, Dr. David G., 1956
'Vivacious'   Click to see more information


  Vivacious
'America' x 'Doctor Ross'Forster, R.R., 1961
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009