Exotic Pest Reporting
Michael Shephard, USDA Forest Service, Bugwood.org
Orange hawkweed (Hieracium aurantiacum) is an invasive plant. It is a native of Europe and was first detected in Washington in 1984.
An ornamental plant widely grown in gardens for its very decorative flowers. It has been introduced into Australasia and North America and escaped from gardens and is considered an invasive species in some areas.