THERE was a frost expected here two weeks ago, but Gary Paul Nabhan, a conservation biologist and inveterate seed-saver, was out in his hardscrabble garden anyway, planting his favorite food, hot chilies.
Chiltepin, chile de árbol (the one that scrambles up trees), Tabasco, serrano, pasilla, Chimayó. These are only a few of the pungent peppers that Mr. Nabhan and two other chili lovers -- Kurt Michael Friese, a chef from Iowa City, and Kraig Kraft, an agro-ecologist studying the origin of hot peppers -- collected on a journey that began two years ago, in northern Mexico, and took them across the hot spots of this country.
More:Native Seeds Search Kraig Kraft Chasing Chiles: Hot Spots Along The Pepper Trail Gary Paul Nabhan Heirloom Vegetables
The Morning Email helps you start your workday with everything you need to know: breaking news, entertainment and a dash of fun. Learn more