Sorry, guerilla gardeners, you’ve just been legitimized. The city of Vancouver has issued guidelines for people who want to plant food, not just ornamentals, on the boulevards between the sidewalk and the curb. 
In the interests of soil safety and avoiding dog do-do, they recommend raised beds, and warn about possible theft.
Whatever type the garden is, it has to be a metre from the curb, and no longer than six metres without a one-metre break.
