"The plight of the monarch butterfly has captured public attention and sparked widespread interest in helping to save their dwindling populations. In this in-depth portrait of the monarch butterfly--covering its life cycle, its remarkable relationship with milkweed, its extraordinary migration, and the threats it now faces due to habitat loss and climate change--detailed instructions on how to design and create monarch-friendly landscapes are enriched by guidance on observing and understanding butterfly behavior and habits. Following the model of their previous best-selling book, 100 Plants to Feed the Bees, the Xerces Society provides at-a-glance profiles of the plant species that provide monarchs with nourishment. The plants, which are all commercially available, range from dozens of species of milkweed--the only food of monarch caterpillars--to numerous flowering plants, shrubs, and trees that provide nectar for the adult butterfly, including those that bloom in late season and sust