ROCHESTER, N.Y. — Standing in a warehouse outside downtown Rochester, Jeffrey Medford watered his cannabis crop under industrial lights. He’s among the many growers who’ve transformed the city’s network of defunct factories into sophisticated indoor farms. Mr. Medford, 58, who has grown cannabis for nearly a decade after a career as a carpenter, would typically be hypervigilant for any slip up that would alert the police to his presence. An outsized electricity bill, for example, could give him away. But since January, Mr. Medford has spoken openly about his operation to a packed online classroom as part of a business mentorship program. In January, New York State regulators launched the Cannabis Compliance Training & Mentorship Program. The goal is to give legacy operators — loosely defined as players in the illicit market before legalization took place in 2021 — the information and skills necessary to stay current with emerging rules. For the first time, growers in the legal … [Read more...] about Can Cannabis Class Help the Industry Legalize? Growers Are Doubtful.