I don't have my statutes in front of me, so I would have to check. That would normally be an offence under the Controlled Drugs and Substances Act. All offences are either purely indictable, purely summary conviction, or are a hybrid, which is to say the crown can elect which way it wants to proceed. I don't recall off the top of my head what possession of marijuana is, but we could certainly find out.
On November 17th, 2010. See this statement in context.