The 12-month Gardener: Simple Strategies for Extending Your Growing Season by Jeff Ashton
Continue gardening beyond the warm-weather months in spite of frosts that normally kill half the plants in a typical summer garden! Extend your season with a variety of simple structures that will protect what you grow: fabrics; cloches; tunnels; cold frames; greenhouses; Each offers its own advantages when used by itself or in combination with the others:e.g, protecting spring plants from the last frosts, or cold-hardy species from wilting sunshine.