Volcianic scoria & limestone & Nepenthes northiana

From: John H. Phillips III (phillips@library.ucsf.edu)
Date: Tue Jun 16 1998 - 16:46:51 PDT

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Date: Wed, 17 Jun 1998 07:46:51 +0800
From: "John H. Phillips III" <phillips@library.ucsf.edu>
To: cp@opus.hpl.hp.com
Message-Id: <aabcdefg2074$foo@default>
Subject: Volcianic scoria & limestone & Nepenthes northiana

Johannes,
Your note piqued my curiosity...

>I have bad experiences with volcanic scoria! That's because the
>substrate is basic and not acid! And Nepenthes don't like it. It is
>the same with limesone. N.northiana is not growing IN limestone (as
>f.e. Pinguicula do so) but growing in deep moss ON the limestone. And
>in vulcanic scoria are a lot of mineralic components (f.e. heavy
>metal), which Nepenthes don't like.

What type of soil do you use for N. northiana? Do you layer a
moss-based mixture over limestone?
Thanks for your help,

John H. Phillips III e-mail:phillips@library.ucsf.edu
Interlibrary Loan Rm 202
Health Sciences Library
University of California
530 Parnassus Ave
San Francisco, CA 94143-0840
PH: (415) 476-8383
FAX: (415) 476-7940

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