Month: August 2013

Build a $300 underground greenhouse for year-round gardening (Video) : TreeHugger

 

Build a $300 underground greenhouse for year-round gardening (Video) : TreeHugger.

Growers in colder climates often utilize various approaches to extend the growing season or to give their crops a boost, whether it’s coldframes, hoop houses or greenhouses.

Greenhouses are usually glazed structures, but are typically expensive to construct and heat throughout the winter. A much more affordable and effective alternative to glass greenhouses is the walipini (an Aymara Indian word for a “place of warmth”)