For some years I have had a Cyrtosperma johnstonii growing just outside my concrete pond, which is above ground level by 18 inches (45 cm.) It used to be grown in another pond, with roots totally submerged in water. Here it is in permanently damp soil and the soil is a very heavy, intractable clay loam, so it would not seem that it needs to be in moss, although that might provide the ultimate/optimum of conditions.
In the attached photo you can see the Cyrtosperma with a Typhonodourum lindleyi behind it, in the same soil, and a Musa ornate to the right of it.
From: firstname.lastname@example.org [mailto:email@example.com] On Behalf Of RAYMOMATTLA@cs.com
Sent: Thursday, October 08, 2009 9:50 PM
Subject: Re: [Aroid-l] Cyrtosperma growing media suggestions...
Jeremy, I believe the Atlanta Botanical Gardens grew a very large C. johnstonii in what looked like (if I can remember right) a large rock bowl with just moss as the growing medium. Probably keep very moist but not too wet. Just another suggestion. I wouldnt totally submerge the roots though...
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