Before they founded the Glendale Memorial Nature Preserve, Florida’s first green burial cemetery, the brothers were growing a seed crop called chufa on their father’s 350-acre farm 10 miles ...

Its main ingredient is chufa (tiger nut) seeds (Cyperus esculentus), also known as earth almonds or tiger nuts. Although Cyperus esculentus looks like a common weed (and in the 1970s, it was ...