Home CBD Treatments Greenstone Provisions showcases Marijuana Products for adult recreational use Greenstone Provisions showcases Marijuana Products for adult recreational use Stephen Taylor Sep 08, 2022 0 Comments Tweet on Twitter Share on Facebook Pinterest Budtender Austin Barnett at Ann Arbor’s Greenstone Provisions walks us through the different types of marijuana products that will be available for adult use once recreational sales at the state’s first licensed retailers begin.