If you’ve decided to build a real vertical herb garden, then this tutorial may be of use for you. Start by lining up six of the 1x6x6s. Measure the width of the 6 boards together and cut a 1×4 down to the right size to create the back of the garden. Repeat the process at the opposite end. To create the sides repeat that same process as the back using 2 of my 1×6 boards for each side. Now it is time to attach the 3 pieces together. Cut down 1x4s and attach along the sides and back on the inside of the garden. These will support the shelves. Continue reading what to do in the source.