Browse resources Displaying 1 - 2 of 2 resources Photo: Lynn Ketchum (Cropped from original) How to recognize, treat and avoid lilac bacterial blight Blackened, wilted shoots on lilac mean trouble. Kym Pokorny | Mar 31, 2023 | News story Dig into hundreds of publications from OSU Extension online catalog Some publications and field guides, such as the popular Shrubs to Know in Pacific Northwest Forests and Trees to Know in Oregon and Washington, are available to purchase. Kym Pokorny | Nov 22, 2019 | News story