Quote Originally Posted by Green-Moo View Post
If you're happy to have something that will just last a season then just stretch clear plastic over a frame that you either make yourself or recycle from elsewhere (I've used a tent frame before).

Or search on the net for instructions for a plastic bottle green house. Fabulous way to use up a throwaway product!
The plastic bottle green houses work extremely well. I've used them before, especially when the plants are young and tender to give them a head start. They're also great for when that unexpected late frost hits and can save your plant from being killed by it.