Browse resources Displaying 1 - 10 of 10 resources Credit: Hope Stephens (Cropped from original) Methods to control blackberry thickets With good timing and dedication, property owners can reduce a sprawling blackberry thicket to a few manageable stragglers Kym Pokorny | Mar 14, 2023 | News story Credit: Ed Peachey (Cropped from original) Controlling perennial bindweed takes persistence This invasive perennial makes itself at home by sinking roots as much as 9 feet into the soil and can stay as an unwanted guest for up to 20 years. Kym Pokorny | Apr 1, 2022 | News story Credit Lynn Ketchum (Cropped from original) As Russian thistle becomes resistant to glyphosate, OSU Extension weed scientist finds alternatives for wheat farmers Russian thistle thrives in the dry climate of eastern Oregon and Washington and if left unchecked develops an extensive root system that competes with wheat for water and nutrients. Kym Pokorny | Nov 2, 2021 | News story Credit Lynn Ketchum (Cropped from original) Could weeds be controlled by zapping them? Extension is investigating As organic production increases in the United States and Europe, non-chemical control becomes more essential. Kym Pokorny | Sep 21, 2021 | News story Roll up your sleeves: Use multiple strategies to control invasive weeds Keeping weeds at bay can be frustrating, but it can be done. Kym Pokorny | Aug 14, 2020 | News story Dig into hundreds of publications from OSU Extension online catalog Have a gardening question? Find an answer in one of OSU Extension's publications. Kym Pokorny | Nov 22, 2019 | News story Photo: Alyssa Cain (Cropped from original) OSU researchers present findings at Turf Field Day OSU Extension researchers presented field trial results on fine fescues and annual bluegrass at Turf Field Day. Chris Branam | Oct 10, 2019 | News story Photo by Ed Peachey (Cropped from original) How to manage three common weeds in the vegetable garden 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. Jul 26, 2013 | News story Invasive grass called false brome, threatens Oregon native plant diversity Oregon is the first state to list invasive non-native grass called false brome as a noxious weed. Mar 2, 2007 | News story Photo by Lynn Ketchum. (Cropped from original) English ivy is an invasive weed in Pacific Northwest English ivy can completely engulf shrubs and encircles tree trunks of all sizes, leaving nothing uncovered. Feb 2, 2007 | News story