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WeedWise Program A conservation program of the Clackamas County SWCD

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Dipsacus fullonum_1560011_Ohio State Weed Lab

Ohio State Weed Lab , The Ohio State University, Bugwood.org

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Think twice before killing those thistles: Thistle Identification March 21, 2017
Staff Spotlight: Sarah Hamilton, WeedWise Specialist & CWMA Coordinator April 6, 2017
Himalayan Blackberry BMP Now Available January 8, 2015
Tansy Ragwort Poisons Livestock and Neighborly Relationships! July 27, 2016
Blessed Milkthistle invading pasture lands. June 3, 2016

May’s Weed of the Month: Orange Hawkweed May 6, 2024
Welcome Hayden! April 30, 2024
Happy Earth Day! April 22, 2024
Recently discovered organic herbicide shown to be safe and effective against nearly all invasive weeds! April 1, 2024
April’s Weed of the Month: Garlic Mustard April 1, 2024

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20 Questions Alliaria petiolata armeniacus Best Management Practices Blackberry BMP Christmas cinnabar moth Cirsium arvense Class A Class B Columbia Gorge CWMA CRISP Cytisus scoparius English ivy Fallopia japonica Fallopia sachalinensis Fallopia ×bohemica forest understory Garlic mustard Hedera canariensis Hedera helix Hedera hibernica Hieracium aurantiacum invasive IPM Irish ivy noxious Orange hawkweed Polygonum x bohemicum priority Ragwort resources Rubus Scotch broom slider Specialist staff Staff Spotlight Tansy thistle Weed-of-the-Month weed profile Weeds weedwise

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WeedWise Program