Can I use treated wood to build an above ground vegetable garden?
by
Doug
+4
best wood to use for building above ground vegetable garden is treated wood ok?
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You should be okay but keep an eye on it for re treatment. If you plan on leaving long term you might want to put down rock or plastic between wood and ground to play it safe.
We just built bottom-less boxes and stapled heavy duty contractor bags on the inside of the wood to help prolong it. Basically just any area where the dirt/soil on the inside would be right up against the wood. Here's a post I did about it.
Treated How?Treated wood has chemicals not safe for edibles needs sealed info. https://www.naturalhandyman.com/iip/infxtra/infptforraisedgardens.html more https://extension.psu.edu/environmental-soil-issues-garden-use-of-treated-lumber
Cedar is a better choice
I like cedar but also use 2 inch pine, treated is a personal choice, I go with untreated and then stain the exterior. The thicker the boards the better because they will last long.
Here's a view that might give you some ideas.
https://www.gardenupgreen.com/2018/10/creating-a-new-garden-space.html
My blackberry beds are these:
https://www.gardenupgreen.com/2018/10/inspiration-to-move-blackberry-beds.html
Treated wood is a bad idea, the chemicals in the wood will leache into the soil.