The most eco-friendly Christmas tree is one that lasts for years. Here’s how to choose, decorate, and care for a living tree
Courtesy of Monrovia
Giant sequoia (Sequoiadendron giganteum). Dense gray-green foliage; red bark. Better able to tolerate colder, drier climates than coast redwood.
Potentially a huge tree, to 80 feet or more. All zones.