roots Archives

An illustration showing the layers beneath the bark of a redwood tree: phloem, cambium, sapwood, and heartwood.

What lies beneath: Anatomy of redwoods

by Save the Redwoods League on February 21, 2023

Under the bark of coast redwoods and giant sequoias are many layers, each with an important job in the growth and protection of the tree. Bark – the outer layer of the tree, the bark, protects the tree from damage …

Aspens in Utah. Photo by Fool-On-The-Hill, Flickr Creative Commons

Meet an 80,000-Year-Old Tree

by Richard Campbell on April 17, 2013

Do you think a 2,000 year old redwood is ancient? A giant sequoia weighing 2,000 tons is heavy? What if I were to tell you that these weren’t even close to the oldest or the biggest? Sure, bristlecone pines live …