Cold treatment

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Abgeschickt von Uta von Rad am 29 Oktober, 2002 um 13:30:36

Hi Everybody,

I have recently read an article wich gives different times of cold treatment for seeds of different Cypripedium species. Among these was Cyp. montanum with 9 month, Cyp. californicum with 8 month and Cyp. candidum with 6 month. That sounds rather long to me (the other times mentioned where all around 3 month). Has anybody experience with those and can me tell if these long times are realy necessary???

Best whishes



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