Mandesh Dosanjh, chief executive of Pure Sunfarms, a licensed cannabis producer based in British Columbia, said that shortages were not surprising given that producers were grappling with challenges such as mastering the growing of cannabis on a large scale, creating new supply chains across different provinces and allowing for rigorous and time-consuming inspections by Health Canada inspectors. https://www.nytimes.com/2018/11/07/world/canada/canada-marijuana-shortage.html