We have so many Oregon Grape shrubs on the restoration site. Some of them north of the Hanford stairs were planted by Earth Corps 10-15 years ago. Some of the ones south of the stairs were planted by a neighborhood group 6-10 years ago. All of shrubs had been crushed by blackberry vines but thrived once they were freed from those invasive plants. We have also planted new Oregon Grape shrubs throughout the site.