I spent the weekend in Philadelphia and stayed with friends Chris and Len. They have a lovely house in Northern Liberties. Out on their patio, they have planted both flowers and vegetables. They also have a potato bag which helps you grow potatoes.

http://vimeo.com/moogaloop.swf?clip_id=11026060&server=vimeo.com&show_title=1&show_byline=1&show_portrait=1&color=ff0179&fullscreen=1

Patio Garden in Philadelphia from Nichelle Stephens on Vimeo.