Planting display at Caribou Historical Center and Museum, with vintage hand-planting and horse-drawn implements. Open to public 12-4 p.m.; all are welcome.

Bake and craft sale hosted by Portage Lake ATV Club, 9 a.m. at the Portage Town Square. Rain date: May 27.

Walk Towards a Cure in memory of Kelly Greene and Zachary Bearor, Island Falls Municipal Building. Registration 8 a.m.; 4K-5K starts at 9 a.m. Proceeds go to Bridge to Hope […]