Celebrate the Massachusetts Horticultural Society’s 20 years at Elm Bank on Thursday, June 2, from 6 – 8:30 pm.  Enjoy live music, specialty farm to table hors d’oeuvre and drinks, while helping support The Gardens at Elm Bank’s annual capital improvements and educational program fund.  Reservations are $75 per person by May 8, and $85 thereafter.  For more information visit www.masshort.org/TwilightGardenParty.