Paul how do you harvest parsnips in the winter. Are you growing them in a greenhouse where the ground kind of freezes and thaws. Coastal Maine here on the 45th parallel, recently a zone 6. The ground here is rock solid for months on end. I can't imagine trying to get them out of the ground. Same goes for sunchokes. Also kale spinach and greens will last in our greenhouses through the winter, but they don't grow. And when they come out of "hibernation" in late February their growth isn't much. Better off putting in transplants. We grew produce for restaruants back in Fingerlakes for almost 18 years. We can still get plenty of crabs, clams and mussels through the winter months and we store lots of our produce in a "root cellar"
Taking this opportunity to thank you for your site. I don't post much but visit every single day. Learn something new with every visit.
There was a substack that I read around 2 weeks ago. I didn't save it and I haven't been able to find it again. What the author said, was that based on past experiences that if we experience a 20% increase in the price of food that the number of food insecure people in the US would go from 47M to over 90M. Lots of foodnotes, well researched paper.