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Be a part of OSU's commitment to the environment!
Discover urban horticulture and check out the partnership between OSU, Oregon Tilth and organic farmers.
It’s about making changes and informed choices, even small ones, that improve the quality of our lives and of the planet for future generations.
I'd like to eradicate of a patch of Poison Oak. It has a ground cover of about 150 SF and a few trunks (3" to 4" diameters) climbing quite high on a couple fir trees. It's leaves have begun turning red and falling off. I am quite sensitive to it.