The Long Island Dahlia Society will hold an exhibition dahlia tuber sale, Thurs., April 15, 8 p.m. in the Carriage House at the Bayard Cutting Arboretum, Montauk Highway, East Islip. At 7 p.m. there will be a dahlias 101 lecture on how to successfully plant dahlias. Refreshments will be served and admission is free.

For informat ion or directions, visit www. LongIslandDahlia.com or call Joe at 754-1002 in the e vening 516-832-3652 during the day.