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I’ve been trying to build a proper raised bed for my vegetable garden, but I can’t decide on the best material to use for the frame. I’m leaning toward cedar for its rot resistance, but the cost is making me second-guess if it’s worth it compared to something like pressure-treated pine.

I used cedar for the frame and the rot resistance is real, but the price tag was brutal. It stayed straight and didn't warp much through a few winters, but I paid for it.

I built with pressure treated pine, and I lined the inside with thick plastic to keep soil off the wood. It lasted a few seasons, there was some warping and a bit of staining near the edge, but it held up and was cheaper.

If you run the numbers by years, the longer life of the rot-resistant boards can win out if you get 6 or more years without major repairs. But if you expect to move or reconfigure soon, the cheaper boards make more sense.

Maybe the bigger issue isn't the wood at all. Drainage, soil mix, bed height, and how you water can kill or boost a bed. I toyed with the idea of metal framing, or plastic boards, but I kept circling back to drainage. Do you think the real problem is drainage rather than the wood?

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