NPR Broadcast: How Canada Became a Greenhouse Superpower

NPR
June 16, 20164:33 PM ET
Heard on All Things Considered
By Dan Charles

If you’re a home gardener in most of the country, your tomato plants are probably just getting started. It’s not even officially summer. Yet if you go to the grocery store, you’ll probably see tomatoes that come from even farther north: Canada! Our cold-weather neighbor sends us more tomatoes, peppers and cucumbers than we send the other way. Despite all the vegetable fields of California and Florida. When I discovered this fact, I was so shocked that I decided to investigate. …Listen below…