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Mulching around my tree, how can I get it right?

Q: I'm putting cardboard and chipped wood over much of my backyard to keep the weeds down. How much room should I leave free of cardboard around the trees (one planted only a year ago) so they get enough water (whether ...

A: View answer | View all featured questions

Five tips to winterize your trees

Your trees may still need attention even in the coldest days of winter.

Jan 17, 2014 | 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

Sawflies

Will Oregon meet these wasp-like pests again?

Mary Corp | May 2003 | Article

Scouting and collecting Wheat Head Armyworms

What growers can do to scout for and help identify wheathead armyworms.

Mary Corp | Oct 2008 | Article