AR-NE invites you once again to Arnold Arboretum, Lilac Sunday Picnic, on Bussey Hill on May 11 2025. Please bring picnic blankets, games and potluck style treats to share. What: Liliac Sunday Picnic and a Mother's Day Celebration Where: Arnold Arboretum of Harvard University 125 Arborway, Jamaica Plain, MA When: May 11 2025, 11 am-3 [...]