Expand Image via Wisconsin Cannabis Group Rooted in Wisconsin Cannabis Festival A promo image for Rooted in Wisconsin (2026)Summer 2026 is going to end on a high note for southeastern Wisconsin’s cannabis community. Mark your calendar for August 29 and plan to attend Rooted in Wisconsin, a festival of significant magnitude that mixes your typical county fair activities with all things THC and beyond. The daylong event, which runs from 11 a.m. to 9 p.m. will be held at the Washington County Fairgrounds in West Bend. In addition to Canna Boom Farmacy, the other major supporter is TerraSol, with outlets in Downtown Milwaukee and Menomonee Falls. All of this is operating under the umbrella of the Wisconsin Cannabis Group, a nonprofit events management company created by TerraSol.