Re: Help with Amorphophallus & Sauromatum

Typhonium venosum is definitely very hardy in my area of northeast
Tennessee (Zone 6a).  I've never lost any out in open ground that
were buried more than 3" deep.  The only ones that I've ever lost
were young tubers that fell off of the main tubers when they're
being divided and have ended up near the surface.  I typically plant
the tubers at least 4" deep to be safe and rarely mulch them.   I
usually don't try to test A. konjac due to it's price but have had a
few to overwinter in the ground that fell away from the main culm
when they were dug in the Autumn.  I know of one fellow in my area
that has an absolutely huge clump of them that has overwintered them
successfully in the ground by mulching with a deep pile of leaves.
Good luck!

David Sizemore
Kingsport, TN
Where it's supposed to get down to 18°F tonight! (currently 33°F at
13:15 EST)
Goodbye Bradford Pear blossoms (in full bloom no less)


----- Original Message -----
From: "Peter Postlewaite" <ppostlewaite@yahoo.com>
To: "Multiple recipients of list AROID-L" <aroid-l@mobot.org>
Sent: Friday, March 22, 2002 10:06 AM
Subject: Help with Amorphophallus & Sauromatum


I was recently given corms for Amorphophallus konjac
(aka A. riveiri) and Sauromatum guttatum (aka S.
venosum, Typhonium venosum).  I plan to grow them
outdoors.  I have done searches on the web, and it
appears that they are not difficult to grow.  I would
appreciate helpful hints from individuals who have
experience growing theses Aroids.    In what zones are
they hardy enough to be left in the ground over
winter?  I know that they are not hardy in my zone 5
garden, but I will be sharing them with people in
zones 6 and 7.  Thanks in advance.

Pete Postlewaite

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