Browse resources Displaying 1 - 4 of 4 resources Credit: adynue - stock.adobe.com (Cropped from original) Caring for roses and dahlias in Oregon Learn about planting, pruning and landscaping with these beautiful flowers. Feb 2024 | Collection Credit: Valerii Honcharuk - stock.adobe.com (Cropped from original) When should I prune my roses? Q: I live in the Willamette Valley near Salem. Old timers say Presidents Day is the time to prune roses. True?A: View answer | View all featured questions Credit: Jennifer Alexander (Cropped from original) General care for hydrangeas Look to this hydrangea how-to for advice on soil, water, pruning and more. Learn a simple pH trick that will turn blooms from pink to blue. Kristin VanHoose | Jun 2018 | Article Peer reviewed (Gray level) Take steps in fall to protect roses in winter Fall maintenance can help protect roses from winter weather. Follow these tips to keep your rose bushes happy and healthy. Barbara McMullen | May 2007 | Article Peer reviewed (Gray level)