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Management Strategies for Dealing with Select Poisonous Plants in Oregon

Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are potentially dangerous to cattle and other livestock.

Andy Hulting, Karin Neff | Sep 2019 | Publication

Plants Causing Nitrate & Oxalate Poisoning in Pastures

Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.

Mylen Bohle, David Hannaway, Andy Hulting, Karin Neff | Apr 2018 | Educational Document

July Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of July.

May 2018 | Article

Avoiding poisonous plants in pasture and hay

How to identify, manage, and avoid poisonous plants in your pasture.

Shelby Filley | Apr 2012 | Article

Poison hemlock and Western waterhemlock: deadly plants that may be growing in your pasture

Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.

Scott Duggan | Jun 2018 | Article

August Garden Calendar

Information about garden planning, maintenance and clean up, pest monitoring and management, houseplants, and indoor gardening for the month of August.

May 2018 | Article

Poison Hemlock (Conium maculatum) – Silage Will Not Reduce the Toxin

Poison hemlock is one of the most poisonous of plants. Silage making has been used to reduce the concentrations of toxins in a variety of crops. Poison hemlock alkaloids are found in different concentrations depending on ...

Cassie Bouska, Amy Peters | Jan 2006 | Article

How to Remove Poison Oak Plants and Treat a Rash

Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.

Jun 2010 | Article

How Has Cannabis Legalization Affected Small Farms So Far?

The legalization of recreational cannabis is changing the farming landscape in parts of Oregon. Oregon voters passed Measure 91 in November 2014, and recreational cannabis became legal in the state the following July. Prompted by ...

Lauren Gwin, Maud Powell | Oct 2017 | Article

Management strategies for dealing with select poisonous plants in Oregon.

Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are potentially dangerous to cattle and other livestock.

Andy Hulting, Karin Neff | Sep 2019 | Article