Share the Seed member gardeners, Sunni and Jason Fine, take the group on a tour of their walipini as it undergoes the final stages of construction. The walipini, also known as a pit or earth-sheltered greenhouse, is essentially a 6′-8′ deep, rectangular hole in the ground that is covered with greenhouse plastic sheeting. Sunni and Jason’s walipini is a whopping 32 x 42 ft! The roof is angled steeply towards the south to take advantage of the winter sun. The earthen walls help regulate the temperature inside of the walipini, both in summer and in winter – much like a geothermal heating and cooling system.
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