I grow taters in boxes. It works great and takes a surprisingly small amount of space. Here is a link to the general concept. http://tipnut.com/grow-potatoes/

The swoe is not useful as a hoe, for breaking up dirt. It's a single purpose tool for weeding. I have two, one for me and one for my wife. The quality is top notch. I learned about the swoe while working at an Arboretum. You can see my testimonial on the website link I gave you.