HARVARD -- The Garden Club of Harvard will hold its plant sale, rain or shine, from 9 a.m. to noon Saturday, May 18, on the Harvard Common, Route 110. Vegetables, perennials, annuals and herbs, all suited to grow in this area, will be offered, along with expert advice. Specialty plants that have thrived in club members' gardens have been separated and potted for the sale. Proceeds support the club's local projects, including landscaping and seasonal projects in town, horticultural book donations to the library, garden therapy and graduation flowers.