Rhododendron Hybrids / cultivars

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Rhododendron 'Adriaan Koster x williamsianum'

Hybridiser:No hybridiser registered
Status:Unregistered and unnamed cross.
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:unknown
Type:elepidoteLeaves:unknown
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)


Seed-parentPollen-parent
'Adriaan Koster'   Click to see more information

XR. williamsianum   Click to see more information

?x'Mrs Lindsay Smith'   Click to see more information

'George Hardy'   Click to see more information

x'Duchess of Edinburgh'   Click to see more information


Rhododendron 'Adriaan Koster x williamsianum' photos





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


  Applause
R. catawbiense 'Catalgla' x 'Adriaan Koster x williamsianum'Leach, Dr. David G., 1958
'Finlandia'   Click to see more information


  Finlandia
R. catawbiense 'Catalgla' x 'Adriaan Koster x williamsianum'Leach, Dr. David G., 1958
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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009