survey of field:

gardens:
Costa di La
Gurukula Botanical Sanctuary
Peter and Rasa

virtual gardening:
http://www.bbc.co.uk/gardening/design/virtualgarden_index.shtml

urban gardening:

roof gardening http://www.green-roofing.co.uk/frames/frames_system.html

vertical farming:
http://www.verticalfarm.com/designs.php

medical ecology:
http://www.medicalecology.org/

feasibility:

problems:

• cost of land
• labor
  

(for physically existing part of garden)