Green House Farming in Cold Climates | Forum

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Erik Wilhelm Sturm

It's a different kind of greenhouse, mixing technology and old school ingenuity to create an energy efficient winter farm. University of Minnesota researchers say the idea is starting to take off. About two dozen deep winter greenhouses can be found now in Minnesota. Many more are in the planning stages. A deep winter growing association will soon give winter gardeners a place to share what they're learning.

On the floor are plastic bags of soil with holes cut in them. Chinese cabbage, turnips, radishes and beets sprout from the bags. The heated rocks under the floor keep them warm.

Any ideas you can share are welcome!