Re: Amorphophallus titanum dormancy

My greenhouse is kept at a minimum of 65F and my Titanum has been going 
dormant on a regular schedule for most of its 12 years. 
 
Bill Weaver

From: aroid-l-bounces@gizmoworks.com [mailto:aroid-l-bounces@gizmoworks.com] On Behalf Of ExoticRainforest
Sent: Sunday, October 21, 2007 08:05
To: Discussion of aroids
Subject: Re: [Aroid-l] Amorphophallus titanum dormancy

Thanks Pete!  I've been getting some additional information in private mail.
 
Steve Lucas
 
----- Original Message -----
From: b*@malesiana.com
To: aroid-l@gizmoworks.com
Sent: Saturday, October 20, 2007 11:22 PM
Subject: Re: [Aroid-l] Amorphophallus titanum dormancy

This is nonesense; the area that titanum grows wild is subject to a marked monsoonal climate and during the dry phase the plants are dormant and leafless for an extended period; at this time the temperature is in the mid-high 30sC (mid-high 90s F). Furthermore, the temperature would never - even on a cold night in the height of the monsoon - ever drop below the low 20sC (c. 70 F).
----- Original Message -----
From: S*@exoticrainforest.com
To: aroid-l@gizmoworks.com
Sent: Sunday, October 21, 2007 10:35 AM
Subject: [Aroid-l] Amorphophallus titanum dormancy

There is one very recent post on a US garden site stating Amorphophallus titanum should not go dormant if kept above 50 degrees F (10 C).  That is outside my understanding of the species though I do not grow this one.  I asked at Fairchild Tropical Botanic Garden about their specimens at the IAS show and was told they were dormant.  Obviously, it was well above 50 degrees F in mid September.  Would one of you Amorphophallus experts please comment?  I'd like to be able to copy your comments and post them on this garden site with credit to you.
 
Steve Lucas
 
 

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