Because pecans , more than other nut trees , bear heavily one year and lightly the next -- and because the nuts freeze well -- companies set aside some nuts in cold storage in good years and sell them in the lean ones .
' We 're in discussions to export stuckey 's pecans to asia where we know the growing middle class is increasing demand for premium american brands , ' says charles rosencrans , stuckey 's chief executive .
In 2007 , the u.s. had a bumper pecan crop amid a global shortage of walnuts . That pushed the price of pecans below the price of walnuts , which in the nut business is something like the price of gold falling below the price of silver .