Here are a few ideas on building a raised planter. Some are even on wheels to make them movable which is really nice if you have small space and need to chase the sun. Remove and Replace shares these diy raised planter how tos and they even have square foot gardening raised planter with wooden chicken wire fence which would help keep rabbits and squirrels out. If you are thinking of building a rasied garden planter check out the ideas on their site.
removeandreplace.com
