Learn the nuts and bolts of how to arrange flowers in several styles with the Massachusetts Horticultural Society at Elm Bank, 900 Washington Street in Wellesley.  You’ll have the opportunity to create your own designs and receive feedback from expert instructors and judges to gain confidence in designing your own arrangements for home, giving, or competition.  Pre-registration required.  No class on Wednesday, October 19.  MHS members $115, nonmembers $145.  Sign up at www.masshort.org.