PVC Greenhouse Methods: How to Choose the Right Structure for Your Garden Whether you're trying to start seeds earlier in spring, protect tomatoes from an early frost, or grow greens straight through winter, a PVC frame structure is one of the most affordable and versatile tools a gardener can own. The challenge isn't whether to build one — it's knowing which type to build. This guide breaks down the five most common PVC greenhouse methods, explains the real differences betwe
