Agave, yuccas and their close relatives have fascinated gardeners for over 400 years. These evergreen masterpieces have an intriguing range of shape, habit, color and form. Long considered plants for warm climate or desert gardens, many have surprising cold tolerance and blend into mixed plantings with ease. Along with her husband Gary, Mary has written a book that blends the long history of uses of these plants with identification guides, cultural information and outstanding photographs.