Hemp | OSU Extension Service

Hemp may only be grown in compliance with applicable state and federal law, including the 2014 and 2018 farm bills and the anticipated U.S. Department of Agriculture regulations. The following information is being provided for educational purposes only to inform licensed growers operating in compliance with applicable state and federal laws. Consult your local authorities, Department of Agriculture representatives, or personal attorney for questions regarding the legality of growing hemp in your jurisdiction.

Latest content

EEAC Keynote: Virtual Extension for a New Crop - The Oregon Hemp Growers Forum

In this keynote address, Dr. Gordon Jones, assistant professor of practice in agriculture, discusses the Oregon Hemp Growers Forum - a Virtual Extension program he created to provide hemp growers with education and resources. In ...

Jan 2023 | Video

AgBiz Logic helps reduce risk in long-term farm planning

Farmers weigh many factors in conducting business: weather, pests, diseases, markets, labor issues and financing. AgBiz Logic, a free online tool, allows farmers to analyze and manage risks before making a decision.

Clark Seavert | Oct 2022 | Article

Post-harvest processing of hemp flowers

The profitability of hemp growers and the creation of reliable, consumable products such as CBD depend on the final quality of the flowers. But high-quality flowers require careful attention to post-harvest practices.

Catelyn Bridges | Oct 2022 | Article

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OSU Global Hemp Innovation Center

The Global Hemp Innovation Center is home to the world’s leading experts in hemp research. The largest of its kind in the nation, it promises to advance the research of hemp and its market potential across multiple diverse industries and research fields to serve the growing international demand for innovative approaches to food, health, and fiber.

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Photo Credit: ten03 - Adobe Stock (Cropped from original)

Latest stories

OSU Extension’s hemp harvest-timing research helps growers stay legal and protect profits

In response to industry concern, Gordon Jones, OSU Extension agriculture faculty in Jackson and Josephine counties, conducted a harvest-time study at the Southern Oregon Research and Extension Center.

Gordon Jones | Mar 2022 | Impact story

OSU researcher provides insight for hemp resilience to extreme heat

By paying attention to the news and the water conditions of reservoirs in winter, growers can decide the best course of action for hemp season.

Gordon Jones | Feb 2022 | Impact story

OSU hemp center leads environmental sustainability and equity efforts

Nation’s largest research center devoted to the study of hemp.

Feb 2022 | Impact story

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Featured resources

What is Industrial Hemp?

Industrial hemp was grown as a commodity crop for decades until it was banned in the mid-1930s. Congress decriminalized the crop in 2018, sparking interest in it among growers in Oregon, where hemp can be grown successfully. ...

Valtcho Jeliazkov, Jay Noller, Sam Angima, Silvia I. Rondon, Richard Roseberg, Gordon Jones | Aug 2019 | OSU Extension Catalog Peer reviewed (Orange level)

Soil, Seedbed Preparation and Seeding for Hemp

Growers planting a successful commercial crop of hemp for seed, fiber, or resin will follow these guidelines for soil preparation, seeding, and irrigation.

Richard Roseberg, Valtcho Jeliazkov, Sam Angima | Aug 2019 | OSU Extension Catalog Peer reviewed (Orange level)

Basics of Fall Cover Cropping for Hemp in Oregon

With careful management, cover crops can provide multiple benefits for hemp production systems.

Gordon Jones, Valtcho Jeliazkov, Richard Roseberg, Sam Angima | Sep 2019 | OSU Extension Catalog Peer reviewed (Orange level)

Hemp Sex-Ed

Hemp cultivation in Oregon is expanding, but growers need to be aware of the problems associated with unwanted pollination. Find out why it's vital that farmers coordinate with their neighbors to ensure a healthy hemp crop.

Lloyd Nackley, Kristine Buckland, Richard Roseberg | Feb 2020 | OSU Extension Catalog Peer reviewed (Orange level)

OSU Plant Clinic

The Oregon State University Plant Clinic is a diagnostic facility that offers fee-based plant disease problem solving and specialized identification services.

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Photo Credit: Isaac - Adobe Stock (Cropped from original)

Soil Resources

A Guide to Collecting Soil Samples for Farms and Gardens

Laboratory soil tests help you develop your soil and increase crop production by providing information on available nutrient content. Soil testing helps you select the correct kind and amount of fertilizer and liming material. ...

Melissa Fery, Jeff Choate | Oct 2018 | OSU Extension Catalog Peer reviewed (Orange level)

Soil Test Interpretation Guide

This publication provides an overview of soil testing and general guidelines for interpreting soil test results for nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, zinc, copper, manganese, iron, molybdenum, chloride, ...

Dan M. Sullivan | Jul 2011 | OSU Extension Catalog Peer reviewed (Orange level)

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Meet Our Experts

Dari Biswanath

Assistant Professor

Contact me with any question about soil, agronomy, water in Klamath Falls/Basin Area

Brian Hill

Faculty Research Assistant

Contact for shade tree production, irrigation, soil and soil sensor questions

Gordon Jones

Agriculture

Govinda Shrestha

Hemp

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