Besides the bristlecone pine, the longest-living tree species in the United States are the giant sequoia (Sequoiadendron giganteum) with an average life span of 2,500 years, the redwood (Sequoia sempervirens) that can live an average life span of 1,000 to 3,500 years, the Douglas fir (Pseudotsuga menziesii) that can live to a ripe-old average age of 750 years, and the bald cypress (Taxodium distichum), with an average life span of 600 years.