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Germination of Acanthopanax senticosus


  Just sent this to Plant-exchange list and thought it wouldn't do
  any harm to mail it to Seeds-list as well.





Subj: Re: Wanted : Ginseng, Siberian, seeds

  Jeremy, Bristol, UK writes

> About 5 years ago I bought some Eleutherococcus Senticosus (Siberian
> Ginseng) seeds from Thompson and Morgan some years ago and completely
> failed to germinate them - they are no longer available. 


  Jeremy

  Seed of Eleutherococcus senticosus (Acanthopanax s.) seems to have an
  immature embryo, which means it needs a warm stratification. The 
  procedure worked best by me is: first a 2-3 months' cold chilling, which
  can be done by sowing outdoors between late fall and mid winter. Then
  a 3-6 months' warm stratification, which also comes through sowing in
  May or June. The third step is to cold-stratify the seeds then for 3-6
  months or the same by leaving the trays sowed outdoors through winter. 
  The result should be a prompt germination, but as you see, only after 
  one year. The first cold chilling, I've found benefical, may also be just
  for absorbing water, which could apparently be done by soaking in water
  a day or two.
  The easiest way, though, is to let the nature take care of the process
  by sowing outdoors late fall or winter, perhaps even April or May - and
  to wait until next spring.

  Mustila Arboretum has been the source of A. senticosus seed in Finland
  since long. If you'd e-mail me privately I could try to find you some.

  Vesa Muurinen, Finland     60-58/21-35/15m
  <vem@mikropc.fi>
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