Search OSU Extension

Showing 1 - 9 of 9 results.

Poor soil? Build up with raised beds

Framed or mounded, raised beds give plant roots the space they need

Kym Pokorny | Nov 8, 2016 | News Story

Raised Bed Gardening

Gardening in raised beds has been a common practice for centuries. "Raised" means the soil level in the bed is higher than its surrounding, and "bed" implies it is small enough to work from the walkways.

May 2018 | Fact Sheet

Scotch Thistle

Scotch thistle was introduced to the United States in the 1800s as an ornamental plant from the Mediterranean region. It is a noxious weed in Idaho, Oregon, and Washington. Scotch thistle can form dense, virtually impenetrable ...

Sep 2003 | OSU Extension Catalog

Russian Thistle: Management in a Wheat-Fallow Crop Rotation

Reviews Russian thistle biology as it relates to management, including seed dormancy and longevity in soil, seed distribution, seed germination and emergence, plant growth after establishment, crop competition, and resistance to ...

Aug 2019 | OSU Extension Catalog

Perennial Weed Biology and Management

Explains how simple and creeping perennial weeds reproduce and spread. Covers weed seedbanks, seed dormancy in soil, and factors that influence seed germination. Describes the typical root structure of perennial weeds and the various...

Mar 2001 | OSU Extension Catalog

Raised bed lumber, pressure treated safe?

Q: I am considering using some 2x6 inch material for a small raised bed for strawberries. My first thought was to consider pressure treated lumber, but I have read conflicting articles on the the safety of this product, with ...

A: View answer | View all featured questions

Help! Tansy is getting the upper hand.

Q: Where can I get some of the tansy flea beetles ? We used these many years ago and they did an incredible job. I do have some of the cinnabar larva present but they never start working early enough to prevent the ...

A: View answer | View all featured questions

Western Oregon Hay

Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...

Shelby Filley | May 2013 | Article

Tansy Ragwort

Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.

Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs | Aug 2011 | Article