2002: Brian Mackay-Lyons, architect and urban planner, "Public Spaces and Spirit of Place".
2003:Julie Harris, historian and heritage consultant,"From Experimental Farm to Town Farm".
2004:Bernard Jackson,Memorial University Botanical Garden, "Development of a Botanical Garden".
2005:Andreas Haun, Kingsbrae Gardens, St. Andrews, New Brunswick.
Karen Achenbach, Annapolis Historical Gardens, Annapolis, Nova Scotia. Presented jointly with the PEI Garden Club.
Daniel Glenn, landscape architect and park planner,"Ravenwood Experimental Farm Concept Plan".
2006:Doug Shouldice, President, Friends of the Central Experimental Farm, " Ottawa's Central Experimental Farm, Preserved and Flourishing".
2007:Diana Beresford- Kroeger, botanist and medical biochemist," Island Trees , Island Treasures".
2008: Warwick Harris, Island Studies, " The Plants and People of the Chatham Islands".
Laura Lee Howard and Bert Christie, Island studies and Agriculture, The Future of the Experimental Farm, Conflicting Views".
2009:Larry Beasley, urban planner, "Buildings, Spaces and People: Making a Great City by Design".