Ellen Hornig hornig@earthlink.net
Sat, 05 Feb 2011 14:19:58 PST
I have several in clay pots, where they're easy to grow.  They overwinter in 
a quite cold greenhouse (c. 35F), and receive no water from roughly November 
through late February.  My mix is nothing special: Fafard 52 (a bark-based 
mix) with extra perlite added (c. 25%).

If you grow them in containers, you'll have to move them up each year, and 
this is a daunting process.  Their recurved spines are vicious.  I'm not 
sure how many more years I want to struggle with them!


Ellen Hornig
Oswego NY 13126 USA
USDA zone 5b 

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