More to explore:
Vertical gardening with an old pallet. I think I may do make one of these for an herb garden.
wall garden made from a wooden pallet
Vertical Garden Ideas: the Pallet Garden » Roots Nursery
wood pallet planter-- cool idea for a balcony herb garden!
Herb Pallet Vertical Garden | Vertical Herb Garden using a Wooden Pallet | Herb Garden Design | Your ...