Unofficial Nickname for the State of Washington
Washington was nicknamed "The Evergreen State" by pioneer C.T. Conover (a Seattle realtor and historian) for its abundant evergreen forests. All State Nicknames
Although "The Evergreen State" nickname is very well-known and widely used (appearing on the U.S. Mint's bicentennial commemorative quarter for Washington state), it has not been officially adopted by Washington's state legislature.