How to Propagate coastal redwood?
Propagate by seed in containers in a cold frame in spring. Root softwood cuttings in summer or semi-ripe cuttings in late summer or autumn

coastal redwood · Sequoia sempervirens
Also known as: Californian evergreen redwood; Californian redwood; redwood
Grow in moderately fertile, moist but well-drained soil in full sun to light dappled shade
Propagate by seed in containers in a cold frame in spring. Root softwood cuttings in summer or semi-ripe cuttings in late summer or autumn