- American Community Gardening Association http://www.communitygarden.org/
- Boston Natural Areas Network http://www.bostonnatural.org/
- Cornell Gardening Resources http://www.gardening.cornell.edu/vegetables/index.html
- Northeast Organic Farming Association (NOFA), MA Chapter http://www.nofamass.org/
- UMass Extension http://www.umassextension.org/
- University of Wisconsin Gardening Facts http://www.uwex.edu/ces/wihort/
- ACG FAQs