The criminal law power is a very blunt tool to deal with social problems. It's an even blunter tool to deal with gardening problems. When you look at the rationale that has been disclosed for the criminalization of that one extra centimetre—looking at fence height, not looking at yield or potency or problems with distribution—that could very well lead to some charter problems with respect to the rationality of that somewhat arbitrary benchmark.
On September 11th, 2017. See this statement in context.