Plastic materials have transformed gardening, with plastic gnomes, plastic hose, plastic cans, plastic tubs, plastic pots and now plastic protection in the form of low cost cloches, frames, mulches, fleece, nets, windbreaks and polytunnels. In 'Gardening Under Plastic', Bernard Salt gives information on the practical use of polytunnels and other hardware, methods of cultivation for flowers, fruit, vegetables and other crops, and potential problems from pests and diseases that may strike under these particular circumstances.