Hello all, I'm new to this forum...and I have searched and searched for an answer to this but I havent found an answer I'm totally comfortable with.
So my wife and I are building raised beds over these strange squares of gravel in our backyard...
She bought pine for the beds because it is cheaper than redwood/cedar ...however it is not naturally rot resistant and cant stand up to the weather like its red counterparts...this I'm sure you all know.
We want a completely organic edible garden...and I'm afraid anything I put on the bed frames will leech into the soil.
But I don't want to have to rebuild them every year either.
I have seen that some people paint the wood or use shellac... but I don't know of any NO VOC paints...and shellac is not great for outdoor use. Others have mentioned linseed oil...but I read that linseed oil contains drying agents that are toxic (including arsenic)
I was thinking of using marine spar varnish since it is a super protector from UV and water damage...however I havent found out if anybody has used it and whether or not it can leech harmful chemicals into the soil.
Any advice would be greatly appreciated... I would like to spend as little as possible, so if we can use our pine and throw a couple of coats of varnish...that would be the best.
This is also to be used next year, so as far as drying is concerned...I am sure most of the gases will have dissipated in two seasons.