The Middlesex Conservation District will hold its annual Spring Plant Sale on Friday 4/27 (3-6pm) and Saturday 4/28 (8am-noon) at Kimball Farm, 400 Littleton Rd, Westford, MA. The sale includes tree/shrub seedlings, perennials, fruits, groundcovers and garden supplies. All sale proceeds benefit our environmental programs, protecting soils and waters in Middlesex County. Free admission. Visit http://www.middlesexconservation.org for more information.