Burlington Horticultural Society Upcoming EventsNo scheduled future events have been submitted for this organization. Past Events Sean James on 'Doesn't End in August' Wednesday, March 13, 2019 Perennial Plant Sale Saturday, May 25, 2019 Burlington Garden Meeting Wednesday, September 11, 2019 Speaker D. Heimbecker Wednesday, October 9, 2019 Exotic Tropical Flowers of Southeast Asia Wednesday, March 11, 2020