Pick your own hydrangeas at the West Parish Garden Cemetery on Saturday. Hydrangea Day goes from 10 a.m. to 2 p.m., so bring some shears and cut yourself a bundle. The flower picking is free, but donations will be accepted. The cemetery is at 129 Reservation Road. Visit www.westparishgardencemetery.org.
Try tai chi for free
Yang's Fitness Center, 5 Dundee Park, is offering two free tai chi workshops this week. The classes, open to those who want to give the Chinese art a try, are Sunday from 8 to 9:15 a.m. and Monday from 7:30 to 8:45 p.m. For more or to reserve your spot, call 978-475-2020 or visit www.YangsFitnessCenter.com.
The Crossroads Coffeehouse is opening its doors for another season on Saturday with folk singer/songwriter Vance Gilbert. Gilbert has been a favorite at the coffeehouse since his debut there in 1993. Show starts at 8 p.m. Tickets are $20. The coffeehouse, which continues shows on the second Sunday of the month through May, is at 3 Great Pond Road in North Andover. Visit www.crossroads-coffeehouse.org.