Health enthusiasts revere the little chia seed as a nutrient-packed superfood. This tiny seed has been cultivated since ancient times in the Americas. Native to South and Central America, legend has it that Aztec warriors prized chia seeds for energy and strength. To enjoy the benefits of chia seeds you don’t have to look far—they’re in nearly every grocery store and available online. But, if you may want to grow your own, here’s what you need to know.