Massachusetts cannabis retailer Stem in Haverhill hosted more than 200 guests on August 5 for a day of golf and charity celebrating women shaping the nation’s cannabis industry.The Blast in the Grass event, held at the stunning Renaissance Golf Club in Haverhill, MA, raised $10,000 for the YWCA Northeastern Massachusetts, a non-profit organization dedicated to combating violence and racism in Haverhill and the surrounding region.