California redwood trees, primarily coast redwoods (Sequoia sempervirens) and giant sequoias (Sequoiadendron giganteum), have a history spanning millions of years. Fossils indicate their ancestors thrived 100 million years ago across North America. As climates shifted, redwoods retreated to California’s fog-drenched coast and Sierra Nevada slopes. Coast redwoods, growing over 370 feet tall, and giant sequoias, with trunks up to 30 feet wide, became icons of resilience, surviving logging and fire