Absolutely Cannabis! The Inaugural Expo Rolls Into Town The Cannabis Expo, with over 110 exhibitor stands, comes to Cape Town for the first time at GrandWest from 4 – 7 April 2019. This multifaceted expo gives visitors the opportunity to discover the diversity of cannabis. Get clued up about the laws around cannabis, getting a growers permit, growing the best crops, the health benefits, various business opportunities in the cannabis industry and more.