Connecticut legalizes marijuana, becoming 19th state to regulate adult use By JasonJune 18, 2021adult-use legalization, aggregated, connecticut, marijuana legalization, Ned Lamont, Politics Starting July 1, it’s legal to possess up to 1.5 ounces. Retail sales are expected to start in May 2022. The post Connecticut legalizes marijuana, becoming 19th state to regulate adult use appeared first on Leafly.