Maine gardener and author Eliot Coleman perfected the art of the four-season harvest through the effective use of coldframes and unheated greenhouses. In this garden, both techniques were used as detachable and moveable prototypes were designed to fit on top of raised garden beds. Simple, lightweight structures allow for adaptation to quickly changing weather conditions.

Raised beds reduce back strain and weed accumulation, so they are a better option for anyone planning to spend hours or even long mornings in the garden.