The Best Raised Bed Garden Plastic Cold Frame Ideas. By three dogs in a garden. You can buy ready made cold frames or kits which are self assembled, but it is easy to create a makeshift one out of common household objects like plastic bottles.
You can make the same simple structure using acrylic panels or even plastic sheets weighed down with stones around the edges of the bed. Web here are some ideas for simple cold frame covers for raised beds: The lid is held open with screen door closers, and the entire frame can be moved easily when the weather warms up.
