Review Of Two Level Raised Garden Bed References. It comes complete with a potting shed and lamppost. Look at the difference in the uphill (right) to downhill (left, 5 feet away) sides of the bed in the photo, and how much lower yet again the next bed (barely visible at left) needed to be.

Repeat for the other 3 corner supports. Mix dry then spread mix over road base approximately 30mm deep and level with a screed. First things first, you must pick the right kind of material for your raised garden bed.