State tree.

RCW 1.20.020
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
That certain evergreen tree known and described as the western hemlock ( Tsuga heterophylla ) is hereby designated as the official tree of the state of Washington. That certain evergreen tree known and described as the western hemlock ( Tsuga heterophylla ) is hereby designated as the official tree of the state of Washington.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=1.20&full=trueFetched: 6/28/2026

Starting a business in Washington? Washington LLC guide: costs and requirements