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How long do weed seeds survive in the soil?

Weed seeds can survive in the soil for years before they germinate and grow.

Feb 19, 2003 | News Story

Coastal Pastures in Oregon and Washington

The coastal regions of Oregon and Washington have different climate and soils than other parts of the states. Rainfall is high, ranging from 70 inches in southern Oregon to more than 100 inches in the coastal mountains. ...

Fred Lundin | Sep 1996 | Article

Turfgrasses and Lawn Care in Eastern Oregon

Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...

Richard Smiley | Jan 2018 | Article

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.

Andy Hulting, Karin Neff | Sep 2019 | Publication

Do you have a green solution to pasture weeds?

Q: I take care of the family pastures (maintain irrigation) and was wondering what is the best way to get rid of weeds in the pastures. We have horse weed and a few others, not real bad but want to stop it and get ...

A: View answer | View all featured questions

Bidding farewell to the dreaded bindweed

Be prepared to pull out or plow up all your field bindweed for at least three years if you want to avoid using herbicides.

Sep 5, 2008 | News Story

How can I naturally kill dandelions?

Q: Is there a solution I can spray on dandelions instead of pulling them up? Not Roundup.... does vinegar, dawn soap and Epson salts work? Or is there a better one?

A: View answer | View all featured questions

Scotch broom is beautiful, but noxious

Scotch broom is noxious in Pacific Northwest

May 29, 2009 | News Story

Corn gluten meal did not prevent weeds from germinating in OSU study

OSU research found corn gluten meal not effective in a study as a pre-emergent herbicide in shrub beds and on lawns.

Dec 1, 2006 | News Story