Ripe fruit
Thu, 16 Oct 2003 00:23:58 PDT
Hello Arnold,

I am envious of your Arisaema culture and collection. 
I love the big Arisaemas, but I have a little trouble 
keeping tortuosum and consanguineum alive, even though 
they are overwintered dry in the garage. Last year a 
large consanguineum rotted after the leaf collapsed in 
the fall. (no rain) This year I lost another 
consanguineum in the spring, shortly after I put it 
outside. I'm using a light mixture of potting mix and 
perlite or pumice, in containers. I tried leaving 
Amorphophallus konjac in the ground one winter and it 

What really confuses me is the fact that at the nearby 
Berkeley Botanical garden, A. tortuosum and 
consanguineum are thriving as part of the permanent 
woodland landscape.

What kind of soil do you grow them in? Do you lift 
them in the winter? Approximately how much soil do you 
have covering the tops of the bulbs?

I'd appreciate any advice you can offer.

Sunset zone 15, USDA 9

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