Money Napa Valley, but for weed: Cannabis bill would tighten rules for claiming place of origin July 23, 2019Amy DiPierro, Palm Springs Desert SunComments Off on Napa Valley, but for weed: Cannabis bill would tighten rules for claiming place of origin Like purveyors of fine wines, some cannabis industry insiders are backing a bill regulating who can use place names and appellations in weed brands.