In March gardeners need flowers so members of the Greenfield Garden Club set off for the historic Lyman Greenhouse in Waltham, Massachusetts. It was so exciting to be able to walk under this tropical vine as we began our tour of the greenhouse. There are literally thousands of plants in the greenhouse of every variety. Most of them are houseplants, some familiar and some dramatic and strange. The greenhouse is filled with orchids, succulents and many other beautiful…