Enjoy the region’s largest and most anticipated plant sale on Saturday, May 20 at Tower Hill Botanic Garden, 11 French Drive in Boylston.  Tower Hill members may shop from 9:00 am – 11:00 am, and the general public is invited from 11:00 am – 2:00 pm.  Shop from the northeast’s most distinguished specialty nurseries, plant societies, and garden artisans.  Vendors include the American Primrose Society, Broken Arrow Nursery, Garden Vision Epimediums, Iron Arts, Miniature Plant Society, Northeast Heather Society, New England Daylily Society, New England Dahlia Society, New England Rose Society, New England Hosta Society, and Stonegate Farm and Flowers.  The Garden Shop’s Annual Clearance Sale, featuring 20% – 70% discounts on select merchandise will also be featured. Additionally, from 9 – 3 there will be the  Gardening Book Swap, a once a year opportunity for deep discounts.  The book swap takes place in the Limonaia, sponsored by the Tower Hill Library.   For more information visit www.towerhillbg.org.