Browse resources Displaying 1 - 2 of 2 resources Credit: Amanda Loman (Cropped from original) Give overgrown trees a makeover with new OSU pruning video series Knowledge is everything when it comes to pruning mature trees. Kym Pokorny | Feb 18, 2022 | News story Fight ‘big four’ rose problems with prevention strategies There are steps you can take to control black spot, rust, downy mildew and powdery mildew. Kym Pokorny | Mar 2, 2020 | News story