Free college planning workshop, Financial Aid, at Presque Isle CareerCenter, 9 a.m. Preregister at 1 (800) 281-3703 or visit meoc.maine.edu.

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

Potato virus detection training workshop at the Aroostook Research Farm, 59 Houlton Rd., 10 a.m.-12 noon for inspectors; 2-4 p.m. for growers/field staff. Free; preregistration requested: pppmb.cals.cornell.edu/content/potato-virus-detection-training-workshop-presque-isle-maine. Rain date July […]

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

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.

Rocking on Riverside - free concert at Riverside Park Pavilion, 6-8:30 p.m., with Wally and the Virginian. Vendors available.

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.

Southern Aroostook Agricultural Museum open for tours Thursdays, Fridays and Saturdays, 1-4 p.m., through Labor Day. $5/person. FMI: 694-5534 or 538-0050.