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  Re: [Aroid-l] Temperature requierements for Helicodiceros
From: Christopher Rogers <crogers at ecoanalysts.com> on 2010.01.28 at 18:31:33

Greetings, Bernhard!

 

I know that some people havegrown this plant in warmer areas by putting the tubers in the refrigerator fora few months.

 

Here in California, my Helicodicerosand Dracunculus started coming up in the end of December. Here we have a Mediterraneanclimate. In fact almost all of our invasive weeds here are Mediterraneannatives: Avena, Hordeum, Vinca, Lolium multiflorum, Taeniatherum, Centauriasolstitialis, Centauria diffusa, =9ACarduus pycnocephalus, Carthamus . . . justto name a few. We have hot dry summers, with temperatures in the 40s degrees C.In September and October the temperature begins to drop. By December we arehaving our first freezes. My Biarums were out in September and all my Arums (Ihave eight species) and Ambrosina bassi have at least the first leaves up byNovember. We have cool to cold wet winters, and the Helicodiceros is usually infull foliage by end of February. I get my first blooms in April.

 

I hope that this helps,

Christopher

 

D. Christopher Rogers

Senior Invertebrate Ecologist/Taxonomist

((,///////////=3D=3D=3D=3D=3D=3D=3D<

branchiopod@gmail.com

 

EcoAnalysts, Inc.

1.530.383.4798

P.O. Box 4098

Davis, CA 95616

USA

 

Invertebrate Taxonomy

Endangered Species

Ecological Studies

Bioassessment

Invasive Species

Plankton

Phycology

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From:aroid-l-bounces@gizmoworks.com [mailto:aroid-l-bounces@gizmoworks.com] OnBehalf Of StroWi@t-online.de
Sent: Wednesday, January 27, 2010 1:29 AM
To: aroid-L
Subject: [Aroid-l] Temperature requierements for Helicodiceros

 

Aroiders,

 

from the temperatures and seasonal rainfallon Sardinia I guess that Helocodiceros grows from late Sebtember to April orMay with the maximum of rainfall in November and December and temperatures downto 8 =9CC (46 =9CF) in December to February.

 

I would like to know, wether the lowtemperatures in the growing season are neccessary or if Helicodiceros could begrown (and flower) at higher temperatures as well.

 

Looking forward to any comment,

Bernhard.

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