I forgot about these guys:

http://www.clemson.edu/extension/hgi.../hgic1257.html
http://www.oznet.ksu.edu/library/HORT2/MF2134.PDF
http://aggie-horticulture.tamu.edu/e...bed/index.html


Richard Evans wrote:
I'd like to build my own wooden containers for growing vegetables. I
know you can't grow edibles in containers made from pressure treated
lumber, but are there other options?

I suppose I could just use pine and discard it when it rots, but how
about pine painted with exterior stain or other preservative?

How about plywood (non-PT)? Is it safe?