In just three months and a day, the legal cannabis landscape will change forever. On Oct. 17, 2018, recreational marijuana will become legal for adults in Canada, making it the first industrialized country in the world to have approved adult use (and the second country overall, behind Uruguay).As you might have rightly guessed, investors are champing at the bit to get a taste of the massive growth surge that awaits -- and so are the cannabis growers responsible for supplying the Canadian recreational market.