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Re: [aroid-l] Cultural tips for Chlorospatha?

  • Subject: Re: [aroid-l] Cultural tips for Chlorospatha?
  • From: Aroideae@aol.com
  • Date: Wed, 3 Mar 2004 22:42:54 EST

hi michael,
    you're very lucky to have these plants!  Chlorospatha occurs from sea 
level to 3000 m, many in cloud forest.  they don't go dormant and require 
constant moisture at the roots, high humidoty and shady conditions with good air 
circulation.  i don't know where you're located, but you might not be able to grow 
them without considerable modification of the environment.  i've grown them 
for many years and keep them in the greenhouse, under ca. 80% shade, 60--90 deg 
F, in well-drained medium of either all sphagnum moss or a mixture of 
peat-based potting mix cut by half with coarse perlite and some orchid mix.  C. 
mirabilis occurs at low elevation, 0--150 m usually, and is a strong grower, so 
that's a good choice.  i don't know what C. "china" is.  didn't know there were 
any cultivars.  do you know the 'parent'?  C. mirabilis grows 'erect', so you 
can bury the stem, but most Chlorospatha grow with the stem running along the 
soil surface and they'll rot off if you bury the stems.  they don't like the 
cold and don't like heat.

Can anyone give me any recommendations on growing Chlorospatha?  In 
particular C. mirabilis and C. "china".  Are these seasonally dormant aroids 
or are 
they considered to be evergreen?  I understand they are from Humid areas of 
Western South America, but are they high altitude cloud forest plants or are 
from lower elevations areas where temps are normally alot higher?  Thanks for 
any help in advance.
Michael Mattlage

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