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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

Put rose pruning and planting on the calendar

Mid- to late February is the time to pay attention to one of our favorite flowers

Kym Pokorny | Feb 5, 2016 | 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

Planting Bare-Root Roses in March

If you have ever purchased a bare-root rose, your first question might have been, will this awkward plant really produce roses? Yes it will!

Barbara McMullen | May 2007 | Article

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 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

Landscaping with Roses

Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.

Barbara McMullen | May 2007 | 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

Pruning Roses

Pruning is a must-do job for spring. Your plants will thank you with beautiful blooms and vigorous health which helps ward off disease.

Barbara McMullen | May 2007 | Article