Q. I have heard that building a walipini might be a good way to grow vegetables year-round in our area. What do you think? A. Walipinis are essentially greenhouses dug into the ground with earth walls ...

What's a walipini? It's a sunken or pit greenhouse that combines passive-solar design with earth-sheltered building to create an environment for year-round growing even in very cold climates. The ...

A four-year experiment in growing food all through the winter will end Saturday when volunteers deconstruct a sunken greenhouse behind a church parsonage in northeast Minneapolis. The makeshift ...