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Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health

By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.

Chris Branam | Feb 25, 2019 | News Story

Fairy Rings - Blessing or Curse?

Q: I just moved into a house on a golf course with giant fir trees. In our yard in the grass is a fairy ring. Is this good or bad?

A: View answer | View all featured questions

What's a pet-safe way to kill moss in my lawn?

Q: My lawn has been taken over by moss this winter, and I am wondering if there is a pet-safe moss killer on the market that won't kill my grass also? I have read your materials on moss control, and I plan to utilize ...

A: View answer | View all featured questions

What’s That Moss Doing In My Pasture?

It's that time of year when we notice, in some cases, more moss than grass growing in our pastures. What went wrong? How can the problem be fixed? Most folks want to know what they can do to get rid of the moss, ...

Melissa Fery | Mar 2007 | Article

Be safe: Develop good habits from garden to table

Foodborne illness can come from our homegrown produce

Kym Pokorny | Sep 8, 2017 | News Story

Take All

This root rot look-alike is endangering wheat, grass, and barley. Learn the signs, symptoms, and controls of this disease.

Mary Corp | Oct 2018 | Article

Use Caution When Irrigating Oaks and Madrones

Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.

Jun 2018 | Article

Blueberry bacterial and fungal diseases

Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.

Jay Pscheidt, Jerry Weiland | Mar 2015 | Article

Grapevine Trunk Diseases in Oregon

A summary of the main trunk diseases causing issues in Oregon and management methods.

Melodie Putnam | Mar 2019 | Article