Rhododendron Hybrids / cultivars

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Rhododendron 'Marinus Koster'

Hybridiser:Koster M. & Sons. Boskoop, Netherlands, 1937 (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
?
Bloom time:unknownFlower:saucer-shaped
Type:elepidoteLeaves:oblong-lanceolate
Hardiness:
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: 1
R. Marinus Koster per country:
(could be a clue for heat/cold-tolerance)

United States : 1


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

X?


Rhododendron 'Marinus Koster' photos

 
Photo byRinus Manders
LocationArley Hall Garden, Northwich, Cheshire, UK
Date24 May, 2014
See high-resolution picture
 
Photo byKen Gibson
Locationprivate garden Tofino, Vancouver Island Canada
Date15 May, 2004
See high-resolution picture
 
Photo byKen Gibson
Locationprivate garden Tofino, Vancouver Island Canada
Date06 May, 2004
See high-resolution picture
 
Photo byRinus Manders
LocationArley Hall Garden, Northwich, Cheshire, UK
Date24 May, 2014
See high-resolution picture
 
Photo byRinus Manders
LocationArley Hall Garden, Northwich, Cheshire, UK
Date24 May, 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
'Arnold Piper'   Click to see more information


  Arnold Piper
'Anna' x 'Marinus Koster'Lem Halfdan, 1971
'Cotton Candy'   Click to see more information


  Cotton Candy
'Loderi Venus' x 'Marinus Koster'Henny & Wennekamp, 1958
'Diane Titcomb'   Click to see more information


  Diane Titcomb
'Marinus Koster' x 'Snow Queen Group'Larson, H.L., 1942
'Dutch Master'   Click to see more information


  Dutch Master
'Marinus Koster' x 'Marinus Koster'Newberry, P.
'El Camino'   Click to see more information


  El Camino
'Anna' x 'Marinus Koster'Whitney, William E., 1976
'Elizabeth Titcomb'   Click to see more information


  Elizabeth Titcomb
'Marinus Koster' x 'Snow Queen Group'Larson, H.L., 1958
'Gwen Bell'   Click to see more information


  Gwen Bell
'Anna' x 'Marinus Koster'Lem Halfdan, 1965
'Hachmann's Kristina'   Click to see more information


  Hachmann's Kristina
'Oudijk's Sensation x Marinus Koster' x 'Marinus Koster'Hachmann, Hans, 1972
'Irmelies'   Click to see more information


  Irmelies
'Oudijk's Sensation' x 'Marinus Koster'Hachmann, Hans, 1962
'Jeanne Yvonne''Marinus Koster' x 'Pilgrim Group'Laxdall, S. Mrs, 1963
'Jenice Coffey''Marinus Koster' x 'Pilgrim Group'Laxdall, S. Mrs, 1963
'Julie Titcomb'   Click to see more information


  Julie Titcomb
'Marinus Koster' x 'Snow Queen Group'Larson, H.L., 1942
'Lem's Monarch'   Click to see more information


  Lem's Monarch
'Anna' x 'Marinus Koster'Lem Halfdan, 1965
'Marinus Koster x Lem's Goal''Marinus Koster' x 'Lem's Goal'unknown
'Oudijk's Sensation x Marinus Koster''Oudijk's Sensation' x 'Marinus Koster'No hybridiser registered
'Pink Walloper'   Click to see more information


  Pink Walloper
'Anna' x 'Marinus Koster'Lem Halfdan, 1971
'Point Defiance'   Click to see more information


  Point Defiance
'Anna' x 'Marinus Koster'Lem Halfdan, 1970
'Rendezvous'   Click to see more information


  Rendezvous
'Marinus Koster' x R. degronianum ssp yakushimanum 'Koichiro Wada'Hachmann, Hans, 1968
'Walloper Group''Anna' x 'Marinus Koster'Lem Halfdan, 1976
'Walloper No. 10'   Click to see more information


  Walloper No. 10
'Anna' x 'Marinus Koster'Lem Halfdan, 1971
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009