Stem Haverhill today announced that sponsorship opportunities are available for the second annual Green Goddess Invitational golf tournament, to take place on September 11, 2023 at the Renaissance Golf Club in Haverhill.The Green Goddess Tournament (GGI) is a unique and original event that promotes, celebrates and assists women operating in the traditional male-dominated fields of retail cannabis and golf. This year the tournament is benefiting Patriots Helping Vets, a Massachusetts non-profit that focuses on helping veterans heal through horticultural therapy and promoting veterans’ rights to cultivate medicinal plants.