The greenhouse in the country: do with their hands out of PVC pipe. Detailed instructions with diagrams for the greenhouse of plastic pipes. Two variants of the greenhouse: one entirely of PVC pipe, the other of the pipes on a wooden frame.
Hake a Mini Green house. Inexpensive Mini-Greenhouse You can build this raised garden bed mini-greenhouse to extend your growing season with used railroad ties for the base and some scrap wood and sheet plastic for the cover.