People who violate rules around the use of recreational marijuana will face fines of up to $2,542.
When pot is legal next month you will be fined for supplying cannabis to a minor, selling it without authorization or growing it at home.
People who smoke pot in a provincial park or campsite will face a fine of $672 plus fees and surcharges.
Premier Brian Pallister said banning homegrown cannabis will better protect both users and non-users, and has fought federal calls to allow marijuana users to grow small amounts at home.