Book excerpt: Gardening is now the favorite leisure pastime in America. Homeowners are realizing the health benefits derived from gardening and the increase in their home's property value. This book contains easy-to-use advice on the top landscape plant choices. It also recommends specific varieties, and provides advice on how to plant, how to grow and how to care for the best plants. The Mid Atlantic Gardeners Guide is devoted to offering the top landscape plants for four key areas of the Mid Atlantic region: Virginia, Maryland, Delaware, and Washington D.C.