Came across this alternative to container gardening. Looks like something we could try instead of building more raised beds, or at least until we build some more raised beds. Basically you get straw bales, cover the top with about 6 inches of soil and put our plants in that.
Video: http://www.youtube.com/watch?v=UXcA99xGHwQ
Webpage (one of many, just google straw bale gardening): http://www.beginner-gardening.com/straw-bale-gardening.html
