Dr. Kier Stewart, a Halifax cardiac surgeon, displays his technique as he races his giant pumpkin in the 19th annual Windsor-West Hants Pumpkin Festival regatta on Lake Pisiquid in Windsor in 2017.

The annual pumpkin regatta in Windsor, N.S., that transforms giant gourds into personal vegetable crafts to be raced across a man-made lake has been cancelled indefinitely. Organizers of the ...