Your friend Greg shows you how a hoop house cold frame can be modified to gain height and allow additional room to grow your vegetables. Additional growing space is achieved by pushing the frame up from the ground and using fence posts for support. This greenhouse is built on unlevel ground with a difference of 8 feet from one end to the other. by raising the cold frame we were able to level the structure and add additional height for growing plants. Our Solexx covered cold frame greenhouses are simple to work with. Read our blog for more details. remotegardener.com