UPDATE - Here's another one that has come in since yesterday.. and see the comments below as well.
2013 SPRING PLANT- SALE
Saturday, May 18th & Sunday, May 19th, 10 AM - 4 PM
Look for: Perennials, Azaleas, Rhododendrons, Shrubs, Peonies, herbaceous & Tree, Specialty Trees, Begonias, Flowering Dogwood
Happy Gardening from Bill & Sharon Wilgenhof
Native Plant Sale (Support pollinators!) - Saturday May 4th, 9 am to noon at the Harriet Irving Botanical Gardens, 32 University Ave, Wolfville, NS. More details here.
Atlantic Rhododendron & Horticultural Society Annual Plant Sale - Saturday May 11, 1 to 3:30 pm at LeMarchant-St.Thomas School Gym at 6141 Watt St, Halifax. One week prior to the sale, a listing of the plants (many unique and rare!) will be listed on their website.
Dahlia Society of NS Annual Plant Sale - Saturday May 4th, 9 am to 3 pm or until sold out. At Micmac Mall, 21 Mic Mac Drive, Dartmouth, NS
Fall River Garden Club Plant Sale - Saturday May 25th, 9 to 5 pm at the Waverly Legion on Rocky Lake Road.
Rare and Unusual Plant Sale - Saturday May 11th, 1 to 4 pm, Farmers Market in Annapolis Royal, NS which is across from the wharf in downtown Annapolis Royal.
Halifax Westmoor Horticultural Society Annual Plant Sale - Saturday May 25, 9 am at St. John the Baptist Parish Hall, 26 Purcell's Cove Road (indoors!).
And more from the Nova Scotia Association of Garden Clubs website on plant sales:
May 11/2013, the Great Village Garden Club will be holding a Giant Plant Sale at 10 a.m.at the Great Village School gymnasium.