Explore the off-season at Polly Hill Arboretum withe free, guided walks walks on the second Saturday of each month, starting next Saturday, Nov 14. Tours are at 10 a.m. and run for a little over an hour. Meet at the visitor center off State Road in west Tisbury and dress for the weather.

Mark your calendar for future tours, too: Dec. 12, Jan. 9, Feb. 13, and March 13.

For details, call 508-693-9426.