Garden tip: A tree once thought to be extinct

Garden tip: A tree once thought to be extinct

At a corner house in San Anselmo, a different redwood grows on three corners of the lot. The redwoods are the coast redwood, Sequoia sempervirens; the Sierra redwood, Sequoiadendron giganteum; and the dawn redwood, Metasequoia glyptostroboides. The house was a rental property, with tenants changing often. I was concerned about the survival of the dawn redwood. It’s a deciduous tree that loses its needles each fall. At that time, it looked half-d…