Mass. marijuana has to be ultra-sterile. Just one problem: Itâs a plant Regulators will reconsider the stateâs strict microbe standard By Dan Adams Globe Staff,Updated February 26, 2021, 7:56 a.m. Email to a Friend At Holistic Health Group in Middleborough, cofounder Colonel Boothe, left, and cultivation director Geoffrey Phillips displayed vacuum-sealed bags containing a portion of their outdoor-grown marijuana crop that failed the state's microbe test.Craig F. Walker/Globe Staff At Holistic Health Groupâs farm in Middleborough, dozens of vacuum-sealed bags full of marijuana flower â worth hundreds of thousands of dollars at retail â have been sitting in a secure vault for months, stuck in limbo.