"Gardeners, listen up. You need not stand by each fall while Jack Frost kills off your favorite tender plants one by one. You can rescue your plants from certain death by bringing them in for the winter. Coleus, begonias, and even heliotropes don't mind taking a holiday as houseplants. And once your plants are indoors, it's easy to make more with cuttings. On the following pages, we've laid out a strategy designed to keep your plants healthy through the winter so that you can start spring a step ahead."
Get the step-by-step from Organic Gardening.