It was in Montreal, heres their info 5751 Boulevard Monk La Salle, QC H4E 3H2, Canada (514) 769-5698
It was some dudes house that their in the middle of making into a seed bank, it was cool, I spent like a half hour there, he sparked me and my friend on a mean joint, the guy was really helpful, and nice, had decent prices too, defiently heading back soon!
I've also been to "hidden jungle" in Niagra.