If you have ever visited a nursery or a commercial farm, you have probably seen large “hoop houses” stretching out sometimes as far as the eye can see. Without these structures, farmers would be limited to growing only during the warm season, thus drastically cutting their production. These season extension devices can range from an unheated plastic covered tunnel too small to walk through, up to engineered glass buildings with automatic venting and precise temperature control. The main objective, however, is the same: to allow the propagation and growing of plants during the colder months of the year. Read more