You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Erin McDowell Every time Erin publishes a story, you’ll get an alert straight to your inbox!

Bark from a rainbow eucalyptus, by Christopher Martin. Older bark layers in shades of pastel purple, rusty red, and burnt orange peel away to reveal younger layers in chartreuse and dark green hues.

Among the world’s most spectacular trees is rainbow eucalyptus (E. deglupta). This evergreen, surprisingly cold-hardy native of Indonesia and the Philippines doesn’t boast notable flowers. But it does ...