59 free diy raised garden bed plans & ideas you can build in a day by jennifer poindexter planting on raised garden beds brings many benefits compared to planting on the ground.. If you do not use a raised bed with purchased planting soil, you should have the soil from your yard tested in a lab before growing a functioning vegetable garden.. First of all you need to build the frame of the raised garden bed. as you can easily notice in the plans, you should use 2