The biggest of northern California’s giant redwood trees grow more than 250 ft. tall, with a circumference greater than 90 ft. at their base. The oldest have seen more than 3,000 years.

It’s a giant sequoia, a member of Sequoiadendron giganteum, one of several surviving species of redwoods. The living crown (this one atop the General Sherman, at center) was once a distant mystery.

After the discovery of the world's tallest tree, the area where the redwoods were would become Tall Trees Grove in Redwood ...

The council's tree experts confirmed the tree, which is about 23m (75.46 ft) tall and a descendant of the giant redwood trees in California, cannot be saved and 95% of the foliage had turned brown.

Documents suggest giant redwoods were first planted on the former Penllergare Estate, Swansea in 1842, a decade before the seeds are widely credited with being brought to Britain. Enzo's Homes ...