[permaculture] Material for raised bed
heidehermary at pacificcoast.net
Thu Jul 25 15:03:46 EDT 2002
The copper compounds used in wood treatment are also highly toxic and about to be
withdrawn from the market.
I have been told that charring the wood plank on the soil side increases its life
span in the soil. I heard this in connection with the use of western red cedar,
which resists decay as long as it is not in direct soil contact. Does anybody
have experience with this?
> At 11:10 AM 7/25/02 -0500, you wrote:
> >What's the right material to build raised beds? Are AC2 treated woods safe
> >for vegetable gardens? How about those plastic deck boards? Thanks for the
> A few Ideas...
> Black locust is great, don't inhale the dust from it though, clots your
> blood. O sage orange and oak are also rot resistant. There are references
> on wood characteristics out there so you can check for locally available
> stuff. As for treated lumber, if you can find it WO arsenic you should be
> OK. Plastic is Ok with me, help pump up the recycling market. You might
> also consider used concrete, plenty available in more less stack able
> slabs. You might even get paid to haul it away. You could chink it
> together with soil and plant herbs, violets, strawberries etc in the cracks
> to keep it looking good.
> Mark P. Ludwig
> Poultry Research Lab
> University of Wisconsin -Madison
> 608-262-1730 WK
> 608-846-7125 HM
> permaculture mailing list
> permaculture at lists.ibiblio.org
More information about the permaculture