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Re: Amorphophallus koratensis

  • Subject: Re: Amorphophallus koratensis
  • From: ronmchatton@aol.com
  • Date: Thu, 01 May 2008 09:59:52 -0400

I grow them essentially like paeoniifolius.  I've left them in the 
potting soil while resting as well as out of the pot with success 
either way.  Mine are now flowering.  I use a potting mix that's about 
70% Fafard 3B (a really top quality, peat based mix), 15% added coarse 
sponge rock and 15% of either fine fir bark used for orchids or a 
product called Permatil but crushed rock might work as well.  To this I 
add Bone Meal, Blood Meal and a bit of lime.  Here in Central Florida I 
need a mix that holds moisture but drains very well.  If we get a 
normal summer (starting not to remember what they are like), I have to 
deal with daily rains yet in a dry season I don't want to water every 
day.  I pot them up in March/April using pots that are at least 3 times 
the diameter of the corm and put the corm about 2-3 inches below the 
potting mix surface when I start to see signs of growth beginning and 
water them thoroughly to set the mix.  I pot very loosely and have 
learned not to pack the mix.  Mine get about 50% shade although I think 
they would tolerate more light as well.  Once I see signs of dormancy 
in the fall, I move them so they are covered and protected from rain.  
This species and konjac here in CF tend to rot if they are too wet late 
in the growing season.  Once dormant, I remove them from the pot, clean 
them and stack them for winter storage.  They over winter in the garage 
which typically runs about normal house conditions.

Ron McHatton
Central Florida, Zone 9

-----Original Message-----
From: E Morano <ironious2@yahoo.com>
To: Discussion of aroids <aroid-l@gizmoworks.com>
Sent: Tue, 29 Apr 2008 11:12 pm
Subject: [Aroid-l] Amorphophallus koratensis

Hi, I just got two Amorphophallus koratensis from Thailand. I  was 
wondering if anyone has any growing instructions for these?
Thank you

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