Two related species dominate the landscape on the Pacific Coast of California. One is Sequoia sempervirens also known as redwood. The other is Sequoia gigantica, or simply the 'Big Tree.'
Spruce is the name given to some 40 kinds of trees -- all evergreen and cone bearing and all member soft the pine family. Sitka spruce gets its name from Sitka Island in southeastern Alaska. Sitka spruce thrives in wet conditions.