Missouri's new Weed packaging rules made it a lot harder to get Cannabis products on shelves Image Cannabis News September 13, 2024 Missouri Cannabis Companies Face Delays Under New Plain Packaging Rules. Under Missouri's new rules that require plain packaging for marijuana products, items must be individually approved by the state. Licensees were up against a Sept. 1 deadline, and not all got the green light, meaning some Recreational Marijuana News Marijuana Business News Cannabis Jobs KCUR - NPR