Surely there is a difference between GARDENING and Farming?
A patch of produce is a garden, not a farm.
Are they telling you you can't plant flowers or decorative shrubs?
Didn't think so.
What about fresh herbs in your window?
Have they never heard of a chia pet?
If pot bellied pigs can be...
There are usually ordinances governing how many cats or dogs a person/household may own as well. Now granted, not a food issue(at least in this culture), still a regulation of ownership of domesticated animals.