Re: green treated lumbar


I wouldn't worry about the lumber. It contains mineral salts of copper,
arsenic, and chromium I beleive. They are chemically bound to the wood, so
leaching should be minimal, especially after a year or so. Copper can
retard root growth to some extent - I don't know how phytotoxic the other
components are but I can't say that I"ve noticed any effects.
Brian
----------
> From: Wade & Michelle Peterson <wdpmap@lse.fullfeed.com>
> To: perennials@mallorn.com
> Subject: green treated lumbar
> Date: Thursday, January 22, 1998 12:59 PM
> 
> Hi Barb, I have been in Wisconsin for four years, originally from 
> Minnesota, so I'm ready for the football season to be *over*.  Thanks
> for the tips, I can't wait for the ground to thaw enough to get a
> sample.  
> One more question for anyone out there.  I have one large flower bed and
> three very small ones, they have all been made from green treated
> lumber.  Two of the beds are low to the ground, so if green treated
> lumber is bad (which I have heard that they are), it won't be a problem
> to take them out.  But the other two are built up about two feet.  I
> guess my question is, is green treated lumber OK for flower beds?  I
> have heard that it isn't.
> 
> Is compost that important? (my ignorance is showing, I'm sure!)  I can't
> get my husband to agree with me to start one.
> 
> Michelle
> 
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