The Nootka Rose, Rosa nutkana, is a shrub native to the Pacific Northwest. It grows in moist, sunny sites at relatively low elevations. It has pink, five-petalled flowers and forms hips that can persist through the winter.
Although it looks sweet and unassuming, it is an aggressive spreader. I once planted one in a garden. By the next year, it was the garden. Don't be fooled - these pink plants are pushy.