Howard walnuts have steadily increased in popularity since their introduction approximately 25 years ago. A University of California variety, this large, round, smooth nut has a good seal and is harvested mid-season. Well known for its light nutshell color and attractive natural appearance, the Howard walnut features a large, light kernel that provides outstanding flavor. Howard walnuts rank among the top six varieties grown in California, which together account for more than 75% of the state’s walnut production.