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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 ...

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What is the best driveway grass?

Q: I am installing a permeable driveway (Unilock Turfstone) at my house in Portland. I read your article on best types of grass mixes in Oregon. But what about driveway grass? Ideally I would like a grass with low maintenance,...

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Five tips to winterize your trees

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

Jan 17, 2014 | News Story

Protect Oregon’s Brassica Crops: ODA’s black leg rules aim to control a disease outbreak

Black leg is a serious disease of Brassica crops that has recently appeared in outbreaks in western Oregon. It threatens Brassica production in the Pacific Northwest. In an effort to manage the disease and get it back to ...

Nick Andrews | Oct 2017 | Article