Eastern filbert blight is a fungal disease that has infected many hazelnut orchards in Oregon and Washington. Now some of the resistant varieties are showing signs of infection, notably aggressive cankers. Learn how to identify it, report it and manage it. Nik Wiman | Dec 2023 | Article Peer reviewed (Gray level)

This publication gives a brief introduction to hazelnuts, which are sometimes called filberts. It provides an overview of hazelnut history, growth and production, geographic distribution, and hazelnut industry organizations.

The “Eastern” Beaked Hazelnut, C.C. var. cornuta is a found from B.C. and the northeastern corner of Washington State to the eastern shores of North America. The 2 varieties will hybridize where their ranges overlap in southern B.C. and eastern Oregon.

Hazelnuts, also called filberts, have provided food for Indigenous peoples in the Northern Hemisphere since the glacial age. Two varieties are important to Oregon. Corylus Cornuta var. californica grows wild in the state and is now planted for erosion control and wildlife habitat.

Barcelona is the principal hazelnut variety grown in the Pacific Northwest, accounting for more than 60% of the acreage in Oregon. It is used in both the kernel market and the in-shell market, which favors its round shape and superior flavor.

In 2020, Oregon grew 63,000 tons of nuts, which were worth 132 million dollars. That made them the 10th most valuable agricultural commodity in the state that year.1. Some people call hazelnuts filberts. They grow wild in parts of Europe and Asia. …

Growing Hazelnuts in the Pacific Northwest: Orchard Site Selection (EM 9076) - This publication describes factors to consider when deciding to plant a hazelnut orchard and includes a table of native productivity ratings for soil series types in the Willamette Valley.

May 14, 2021 · Since 2002, 15 new cultivars with resistance to EFB from Gasaway have been released, including seven main crop varieties and eight pollinizer selections. The catalyst for the current boom in Oregon hazelnut plantings, Jefferson was the first variety widely released to growers in the Willamette Valley.

Oregon boasts an ideal climate for growing the world’s highest quality hazelnuts. It’s in this special corner of the world where temperate ocean, mountain and river climates meet with rich volcanic soils to create prime hazelnut-growing country.

About 1,000 Oregon farm families grow hazelnuts on 93,000 acres. Hazelnut trees can produce until over 100 years of age. The hazelnut is unique in that it blooms and pollinates in the middle of winter. Wind carries the pollen from yellow catkins to a tiny red flower, where it stays dormant until June, when the nut begins to form.