Even old plastic bottles can be combined to create "windows" for a greenhouse. 2. Recycle Old Picture Frames Picture frames are ideal for creating the sides and top of a small greenhouse box.

Plastic greenhouses have twin-walled polycarbonate sheets ... Choosing this option adds about £200 to the cost of a small greenhouse. Another option is a self-adhesive safety film – this is a ...

From there, you can add shelving if you'd like, or you can simply pop the greenhouse over your garden bed. Some reviewers complained about the plastic covering not holding up as well as they'd ...