No, I don't think so and see for yourself with the photo series below. I have quite a few more of these pictures, but I think you'll get the point with the two series posted.
It looks like even the Wall Street Journal has caught the urban farming bug. Link to article below out of their "The Future of Everything" series, followed by my comments. https://www.wsj.
Interesting farm call this morning. A strawberry grower near Watsonville reported a large group of worms (caterpillars) migrating north out of the mixed cover crop including barley and mustard.