The Three Sisters are the three main agricultural crops of various indigenous groups in the Americas: winter squash, maize (corn), and climbing beans (typically tepary beans or common beans). Originating in Mesoamerica, these three crops were carried northward, up the river valleys over generations, far afield to the Mandan and Iroquois who, among others, used these “Three Sisters” for food and trade. In a technique known as companion planting the three crops are planted close […]