Last year I followed a header that dealt with treated wood being used in raised gardens. I became quite concerned when it was mentioned that arsenic could leach out into the soil from treated lumber.
I've just replaced all my raised garden lumber with 'trek' lumber - a plastic/wood product. I'm still very concerned about the arsenic problem though.
Will the arsenic leech out of the soil eventually or should I replace the soil around the raised lumber? I'm hoping to plant root vegetables next to the raised lumber....but I'm thinking that arsenic remains in the soil.
The treated lumber was in place for three years...
Does anybody have any advice, experience about this problem?
ANY comments would be very much appreciated. I'm a 'little' worried right now as Spring-time planting is beginning here around Vancouver -
Thanks in advance..
Mark Thompson snipped-for-privacy@canada.com