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Take steps in fall to protect roses in winter

Fall maintenance can help protect roses from winter weather. Follow these tips to keep your rose bushes happy and healthy.

Barbara McMullen | May 2007 | Article

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

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

Entomology for Gardeners

Classification and names Phylum: Arthropoda Class: Insecta = Insects (Arachnida = Spiders) Order: The technical name of the orders describes the wings. For example: Coleoptera: “coleo” = sheath; “ptera” = wing; that is, a sheath-wing insect. Family Genus and species: scientific name = the Latin name. Genus begins with a capital letter; species begins with a small letter....

Jean R. Natter | Jan 2019 | Article

Basic Entomology

Insects can be found in great numbers in every ecosystem on our planet except for the ocean. There are over a million different identified species of insects in the world, but only an estimated 31,000 identified species of ‘Mammals’, ‘Birds’, ‘Reptiles’ and ‘Amphibians’. There are over 28,000 different identified species of insects in the Pacific Northwest alone. ...

Richard Little | Jan 2016 | Article