Climate and Growing Arisaema

[Mellard, David]

>The first rainy season of the year in Japan is
>February where it begins to rain after a dry fall and winter similar to
>our continental climate in the middle South,
>the SE Asian monsoon begins
>in April/May on the eastern part of the monsoon region in SE Asia
>and in the western part in late May and June after an equally dry winter.

Not sure where you're referring to when you mention the middle South.  I
have a great deal of difficulty growing most of the Asian Arisaemas outside
because the winters here in the Southern US states are too wet (Georgia,
North Carolina, Tennessee, South Carolina, Mississippi, Louisisana, just to
name a few.)  May you are talking further north in the mid-West US?  I do
have several Asian Arisaemas, however, that do overwinter outside in the
garden, most notably candidissimum, some in the fargesii complex, and a few
others that I can't identify.  I've started growing in pots now and
overwinter them dry in the cool basement.  That seems to work best for me.
I suppose I could put them back outside, which I prefer to do, if they were
completely protected from the rain in winter.  Maybe some day when I can get
around to constructing something like that, I'll give that a try.

I have yet to get Trillium established from Asia.  Not sure what I'm doing
wrong other than having to deal with a rhizome that is totally stressed from
being stored dry and loosing all it's roots.  I've some luck with getting
Paris established, but have lost many either from dry storage, climatic
conditions in winter, or chipmunks.  Hard to know at this point.

David
Atlanta
USA