The Middlesex Conservation District, a not for profit environmental agency, will be holding its annual Spring Plant Sale on Friday 4/22 (3-6pm) and Saturday 4/23 (8am – noon) at the 4H Fairgrounds, 51 S. Chelmsford Rd, Westford, MA. The sale includes tree and shrub seedlings, perennials, fruits, groundcovers and garden supplies, with an emphasis on native varieties. All sale proceeds benefit conservation programs.  Image courtesy of www.foothill.edu.