Join the Massachusetts Horticultural Society for a guided walk through the Arnold Arboretum of Harvard University on Tuesday, September 19. Explore the history and horticulture of this beautiful and important institution. Meet at the Arboretum Visitor’s Center, 125 Arborway, at 10 am. Pre-registration is required at www.masshort.org. $12 for Mass Hort members, $20 for nonmembers.
