Visit private gardens of distinction on this exclusive self-guided Tower Hill Botanic Garden tour on Sunday, June 26 from 10 – 4. This year’s tour explores gardens in Southborough and Northborough and nearby towns. Advanced sales:  Advance Purchase Price: Tower Hill Member $20, Non-member $25. Day of tour: Member $25, Non-member $30. Patron $75. Sponsor: $125. Purchase tickets online at www.towerhillbg.org, or call 508-869-6111.  Image from www.houzz.com.