Clay vs plastic

Robin Carrier
Thu, 06 Oct 2011 05:29:47 PDT

clear as mud(or should I say sand?), but thanks for trying> 
> In message <DD3EC18B0E12417BA14B0C565FABDA54@RobinPC>, Robin Carrier
> <> writes
>>I'm sorry.  I've looked it up and still can't  find what a "plunge bed"
> is??
> Like a large area of sand that you sink your pots in to provide a
> reservoir of moisture and temperature.
> ISTR someone mentioned a few months back that as one can get black
> plastic sleeves to grow plants in, there's a version made of woven
> fibre, so a bit like plastic but a bit like clay because it breathes. I
> looked at the web site at the time and great claims were being made for
> it.
> Does raise the question why are pots made black, instead of white which
> would be a bit more temperature stable or even metalised - as some
> decorative pots are.
> --
> David Pilling
> email:
>  web:
> post: David Pilling, P.O. Box 22, Thornton-Cleveleys, Blackpool. FY5 1LR.
> UK
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