[Arisaema-l] A. griffithii culture

[Aad van Beek]

> Of all the Himalayan species I have tried to grow the only one that has survived and flowered has been A. concinnum. I have killed speciosum, griffithii, costatum, intermedium, jacquemontii, and even an undescribed one from the top of a mountain in Vietnam. These all occur at too high of elevations with cool day and cool night temperatures during the growing period to be grown successfully for long periods in the Southeastern US. There are of course exceptions and areas around Asheville might be most amenable to these species. I find even some of high elevations Hengduan material difficult as well. Surprisingly the "consanguineum" from Vietnam seem content so far, but do not follow seasons when grown in pots.
> 
>  Aaron in E Tennessee where nights can be cool in the summer, but hot during the day.
> 

Would be nice if seeds of griffithii and the other once mentioned would be donated to the exchange. I would love to try these challenging species. As a novice the different consanguineum seeds offered last year germinated medium to very well even dough we had a very hot summer.

Aad,
Groningen, Holland
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