Moving to Newfoundland from the Gulf Islands of British Columbia was a shock for long-time gardener Dan Rubin. Accustomed to warm, calm, and relatively predictable weather, Rubin faced long winters, strong winds, and constant salt spray at his new property perched on the edge of the north Atlantic. Twenty years later, Rubin's productive and lush seaside garden is filled with a range of crops, from tomatoes, squash, and greens to plums,...