This year, I’m expanding my growing area. My area has clay for soil instead of that nice sandy loam the areas to the north, south, and east of me have.
Over the years, I’ve been building raised boxes and buying “decent” dirt to grow them in (from a local company).
If you’re not demanding the prettiest box in the world, you can build these for about $1/linear foot (a 4’x4′ box is 16 linear feet), plus $2.00 in screws. When assembled, the box joint design won’t come apart for many many years.
Here’s how I build them, step by step: