Rooftop Dyeing Garden

One of the ideas is to grow our own dyeing plants, so we need gardening space close to our home.
What would be better than setting up a rooftop dyeing garden in the middle of Luzern?
For example Eagle Street Rooftop Farm.

Found in Zürich, Nov. 17th 2011:

19/11/2011 | Josefina Eliggi
Categories: Ideas