Weeds

Featured Resources

Weed, Poisonous Plant, and Pest Resources for Small Farms

These publications are shared to teach farmers and agriculturalists how to properly control weeds and poisonous plants and pests. Handbooks and management fact-sheets are provided as well as a list of common pasture weeds, poisonous plants, and other pests that affect pastures.

Collection

Weed Management in Conventional and Organic Snap Beans in Western Oregon

Discusses weed prevention and management in conventional and organic snap bean production.

By Ed Peachey | OSU Extension Catalog

Latest Resources

Management Strategies for Dealing with Select Poisonous Plants in Oregon

Rangeland, pastures and hay fields throughout Oregon often contain poisonous plants that are potentially dangerous to cattle and other livestock.

By Andy Hulting, Karin Neff | Publication

Weeds in Pastures and Hayground Collection

Here is a collection of our favorite resources for weeds in pastures and hay ground. It includes sections on aquatic weed, OSU resources, Pesticide/Herbicide, Poisonous Plants, Weed Control, and Noxious and invasive weeds.

Collection

Pesticide Safety Education Program (PSEP)

Revamped team, revamped website! Check out the Pesticide Safety Education Program site to find out where and when your nearest CORE pesticide continuing education event is at and to register for the class. Need to fulfill Worker Protection Standard trainings? We have a list of trainings around Oregon scheduled and available for sign up. Have a large group that need WPS training? We can come to you!

By Sean Perez, | Online Resource

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Latest News

Roll up your sleeves: Invasive weeds need persistence to control

Feb 23, 2018

Invasive weeds enter backyards in multiple ways and once there can cause havoc.

By Kym Pokorny | News Story

A prickly problem: Russian thistle populations in northeastern Oregon resist glyphosate

Mar 14, 2017

Wheat farmers rely extensively on the herbicide to control the weed

By Chris Branam | News Story

How to manage three common weeds in the vegetable garden

Jul 26, 2013

Knowing more about weeds can give gardeners a leg up in the fight, said Ed Peachey, weed specialist for the Oregon State University Extension Service.

News Story

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Upcoming Events

Hood River Extension Office Plant Clinic

Hood River, OR

Thu, Sep 19, 2019 1:00 pm - 4:00 pm

Have a gardening problem that you would like advice on how to solve? A bug that you would like to know what it is and if it's a pest or a beneficial? Stop by the OSU Extension Service Office in Hood...

Ace Hardware Plant Clinic-Hood River

Hood River, OR

Sat, Sep 21, 2019 9:00 am - 1:00 pm

Have a gardening problem that you would like advice on how to solve? A bug that you would like to know what it is and if it's a pest or a beneficial? Stop by Ace Hardware in Hood River on the second -...

Ace Hardware Plant Clinic-White Salmon

White Salmon, WA

Sat, Oct 5, 2019 9:00 am - 1:00 pm

Have a gardening problem that you would like advice on how to solve? A bug that you would like to know what it is and if it's a pest or a beneficial? Stop by the OSU Extension Service Plant Clinic...

Meet Our Experts

Judit Barroso

Weed Science

Cassie Bouska

Agriculture

Brooke Edmunds

Community Horticulture, Master Gardeners

Contact me with gardening questions from Linn or Benton counties

Jessica Green

Senior Research Assistant

Have a Question? Ask an Expert!

Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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Is Crossbow a good choice for killing wild blackberries?

I can find lots of information on what Crossbow kills but no specific information on how it does it. I am trying to kill wild blackberries. My yard is in a condo development and is right next to my neighbor who does not like herbicides. She tells me that if I spray the blackberries that are next to...

By Kaci Buhl, | Featured Question

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