Blueberry Pruning Workshop is from 10 a.m. to noon at Polly Hill Arboretum. Cost is $20 for members, $25 for non-members. Visit pollyhillarboretum.org.
This year’s annual retreat for Williams College alumni in Oak Bluffs will feature a lecture by historian Craig Steven Wilder and the screening of a new film by Thomas Allen Harris.
© 2014 Vineyard Gazette