What’s for dinner? Acorns, you say? Polly Hill Arboretum invites you to join Arthur Haines as he shares the secrets of gathering and preparing acorns in this tree-to-table talk from 9 a.m. to 1 p.m. on Sunday, Sept. 21.

For more information or to register for the class, call 508-693-9426 or visit pollyhillarboretum.org.