Currently, China imposes 25 percent (in shell) and 10 percent (kernel) tariffs on hazelnut exports. According to Oregon statistics, the Pacific Northwest state produces 99 percent of hazelnuts grown in the US. "In other words, we never got on the list," George added. Chinese tariffs on California pistachios are 5 percent; Chilean hazelnuts face no duties. Although Oregon ships roughly half of its hazelnut crop to Asia, the industry can not sell directly to Chinese consumers because of the 25 percent tariff.