John from http://www.growingyourgreens.com/ goes on a field trip to the 1/3 acre Urban Free Farm in San Francisco. In this episode, you will learn more about the Free Farm that is located in the heart of San Francisco that has grown and distributed over 3,000 pounds of food for free. After watching this episode, you will learn more about the history of the free farm, as well as what they are growing and how they are growing various fruits and vegetables. One of the vegetables include, Yacon, which is a delicious tuberous crop that has almost perfect growing conditions in San Francisco.