[Community_garden] Using Trex for Raised Beds

[Steven Garrett]

Mike,
The drawback that I heard about plastic timber (oxymoronic?) is that it has no grain, like wood, to keep it straight so you need to stabilize it to stop it from bowing way out of shape. How do you do keep yours straight? I have heard of people hammering in rebar strips along the outside of the timbers.
Steven

Mike McGrath <MikeMcG at PTD.net> wrote: We investigated it thoroughly at ORGANIC GARDENING back when we were railing 
against pressure treated wood in the 90s and found nothing wrong, so we 
recommended it. So much so that I chose to use it personally.
    It makes the frames in about half of my raised beds and still looks 
close to perfect twenty years later....
                                        ---Mike McG
----- Original Message ----- 
From: "Andrea Jadwin" 
To: 
Sent: Tuesday, March 27, 2007 2:07 PM
Subject: [Community_garden] Using Trex for Raised Beds


> Interested in learning whether other community gardeners have data on
> using composite material (Trex or others made out of recycled wood
> and plastic) for raised beds.  Specifically, whether there is known
> danger associated with growing and eating vegetables raised in these
> types of beds.
>
> I have searched the web somewhat but have not found strong scientific
> information against it.  I'm not really interested in anecdotal
> theories or political leanings:-)
>
> Would appreciate help from anybody who can point me towards solid
> information about possible toxicity - or not.
>
> Thanks!
>
> Andrea Jadwin
> San Francisco Garden Resource Organization (SFGRO)
>
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Steven Garrett, PhC, MS, RD
Ph.D. Candidate, Social and Environmental Geography
University of Washington and
Nutrition Education Evaluation Specialist
Washington State University
 
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