What a beautiful job they did in laying out this rooftop garden on top of the Vancouver YWCA. Its design is sensitive to both plants and people. That is obvious even in the narrower field of a video view. The interviewer called it stupendous. I'm not a fan of over-the-top superlatives, but I would agree with this one.
The video is most informative and I admire the spirit of experimentation and exploration expressed by operations manager Ted Cathcart.
A raised bed garden of this type is obviously a significant capital investment. Comparing it to personal food production in sub-irrigated grow boxes is an apples to oranges comparison.
We need much more comparative information than I find in my research of rooftop and urban agriculture. I wonder if anyone has done a cost/productivity analysis of portable sub-irrigation planters versus raised beds. At the present time it appears the best place to look for it is in Canada.
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