"Frank" wrote in message
On Jan 7, 5:41 am, "George.com" wrote:
I have been growing pottatoes in tyres for some weeks now.

Not a good idea. There are a lot of noxious chemicals used to cure
and stabilize rubber and they may or may not be absorbed by the
plant. Why take any chances?

http://forums.organicgardening.com/e...1/m/7391098401