I've used plastic decking. While not very wide (6") it provides me a
separation between the paths and the beds.

r/


www.locoworks.com wrote:
On Feb 26, 12:22�am, Richard Price Richard.Price.
wrote:
Thanks for the advice.

I have now ordered some untreated wood and will construct another
planter. Does anyone know what I can treat the wood with, that will not
harm my veg?

--
Richard Price

Richard,
Your best bet is to use redwood. It naturally resists rot and
insects and will not harm your vegetables. It is pricy, though.