Growing truffles reliably is still considered experimental farming to a degree, but there have been many new advances in scientific methods and theory in the past decade. Depending on where you live or want to grow truffles and on what scale, there are scientists and consultants available to aid you in your endeavors. Truffles grow in association with trees, and in order to grow truffles you need inoculated seedlings. It is a complex science, but there are some folks who are trying, some with success!