Rhododendron hybridisers:

Sifferman, Karl I., Seattle, Washington, USA

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=Complete=not all info yet

#Cultivars/hybrids of   Sifferman, Karl I.   ordered by   name   yearReg.
1Chinmar (info) (? x ?) (r.)y
2Hotei   Click to see more information


  Hotei
('Goldsworth Orange' x 'souliei x wardii var wardii') (r.)
1968y
3Robert Hale (info) (? x ?) (r.)1969y


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Hirsutum.info     Project started 03 June 2009