The state tree is called the Sitka Spruce. The largest and one of the most valuable trees in Alaska. The Sitka Spruce grows 160 feet in height and 3 to 5 feet in diameter. Its long and dark green needles surround twigs that bear cones. Its found throughout the southeast and the Kenai Peninsula and along the Gulf Coast and along the west coast of Cook inlet. The Sitka Spruce was adopt in 1962.