As a long-term project, you can rear monarch butterflies at home or in a classroom. This article contains practical tips on successfully rearing monarchs, and ways in which you can increase your chances of observing the changes that occur during their metamorphosis. Caretaking details are provided for every stage of the monarch butterfly's life: egg, larva, pupa, adult. This article contains information about many species of milkweed plants - the main food and habitat for monarchs. Also includes information and instructions for building cages for monarch butterflies.