Arched PVC Greenhouse

Here's a free plan by PVC Plans for an arched greenhouse that uses PVC pipes. Download the free greenhouse PDF plan and you'll get a material list, diagrams, and written directions. This is a great starter greenhouse if you're just starting to experiment with growing in a greenhouse.

PVC pipes are also pretty affordable and using them is a budget-friendly way to build a greenhouse. This greenhouse is arched and includes two doors, one in the front and one in the back.