How to build a straw bale garden, this site has more information... I did it this year and I'm amazed at the size of my tomatoes! I put them around my Rhubarb patches and I was harvesting rhubarb into late September! Give this a try
Once you try the straw bale gardening method for growing potatoes, you'll never want to use any other method again. A straw bale garden isn't just good for potato growing though. It works for your entire vegetable garden.