Permaculture Veggie Tower. A living wall of these would be great! A worm tower, keyhole garden, wicking beds, vertical gardening, and hardscaping all in one. This is a great design for urban folk. I would increase the diameter to 3ft.
permaculture. There seems to be two distinct approaches to permaculture. One is spiritual and one is practical. I take the practical approach. As a Christian I choose to interpret the spiritual approach through the biblical mandate of stewardship of God's creation and not a worship of that creation.