What is what planting zone is portland oregon?

Portland, Oregon is located in USDA Hardiness Zone 8b. This means that the average minimum winter temperature in Portland falls between 15 and 20 degrees Fahrenheit (-9.4 to -6.7 degrees Celsius). This temperate climate allows for a wide variety of plants to thrive in the region, including perennials, shrubs, and trees. Gardeners in Portland can grow a diverse range of plants, including roses, hydrangeas, ferns, and Japanese maples. It is important to take into consideration the specific conditions of your garden, such as sunlight exposure and soil type, when choosing plants for your Portland garden.