Extend the growing season and keep your non-hardy protected from harsh weather conditions with this wooden cold frame from Garden Grow. Cold frames are great for protecting young seedlings, vegetables or flower beds from adverse weather, primarily the cold and wet. Lift and transplant non-hardy plants into the cold frame for protection from frosts through the winter months. The transparent roof allows sunlight to penetrate without the risk of heat escaping. This cold frame is constructed using strong and durable fir wood with polycarbonate panels