Family Code Night at HardScrabble Solutions. Setup at 6:15 p.m., activities 6:30-7:30. Family session on coding and technology; bring devices.

Senior gatherings at the Putnam House 48 Court St. Houlton, Tuesdays and Thursdays, 9-3 p.m. Games, homemade snacks, coffee and socializing.

Farmers' market, 4-7 p.m. in the Brookside Inn parking lot. FMI: 370-0379.

Knitting workshop with Vicky Larrabee at the Caribou Public Library's Caribou Room, 5:30-7 p.m. No experience necessary.

Knitting/Crocheting Club at the Robert A. Frost Memorial Library, 6 p.m. Bring a project to work on. Teachers available for those who want to learn.

Senior gatherings at the Putnam House 48 Court St. Houlton, Tuesdays and Thursdays, 9-3 p.m. Games, homemade snacks, coffee and socializing.

Free workshop, Essentials of College Planning, at 9 a.m. and 12 p.m. at Houlton Higher Education Center. FMI or to register: 1 (800) 281-3703 or meoc.maine.edu.

Red Cross Blood Drive, 8:30 a.m.-1:30 p.m. at Houlton High School. Download the Red Cross Blood Donor app, visit redcrossblood.org or call 1 (800) RED CROSS.

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.

Farmers' market at Riverside Park, 8:30 a.m.-1 p.m. Vegetables, meat, eggs, baked goods and more. Concession available.