One long-term challenge with using bricks or concrete blocks to construct raised garden beds is that these materials tend to shift over time due to the natural freezing and thawing cycles of soils.

I made a modular concrete raised garden bed out of Quikrete 5000. I started by using my X-carve pro by inventables to cut 3/4" MDF into pieces that can be stacked to create a full size prototype.

Plant a Garden in Concrete. Dave Drager. March 6, 2011 Just ... After filling the holes with dirt and seeds - and then making sure they stay watered - the plants will ...