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Some Garden Myths and What Research Has to Say

From the myth of collapsing root balls to myth of compost tea - learn the facts about a range of tips you may have heard through the years about healthy soil, pretty mulch, and more.

Richard Little | Feb 2014 | Article

Container Planting

This fact-sheet explains container planting, including types of containers, soil for containers, and fertilizer.

May 2018 | Fact Sheet

Container gardening basics

Choose the right containers, soil and plants to keep your flowerpots blooming all season long. When choosing plants for container gardening, go for "thrillers," "fillers" and "spillers."

Amy Jo Detweiler | Mar 2014 | Article

Help! Tansy is getting the upper hand.

Q: Where can I get some of the tansy flea beetles ? We used these many years ago and they did an incredible job. I do have some of the cinnabar larva present but they never start working early enough to prevent the ...

A: View answer | View all featured questions

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

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

Tansy Ragwort

Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.

Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs | Aug 2011 | Article