My friend Susan recently sent me the websites of some urban farms and organizations in or near Boston that were mentioned at an Urban Gardening Panel she attended. Check them out. Very cool (and so is Susan).
Revision Urban Farms – Dorchester - http://www.vpi.org/Re-VisionFarm/
E3C - http://www.noahcdc.org/cbe/e3c.html
Groundwork Somerville - http://www.groundworksomerville.org/
The Food Project - http://thefoodproject.org/
Top Sprouts - http://topsprouts.com/main/