Semper Virens. Heartwood. A knotty growth of bark, the burls are filled with unspotted bud tissue—should a redwood tree fall, a burl can sprout a new tree. The burls, which fetch thousands of ...

The grove of about 2,500 trees — mostly redwoods ... like rodents that love nothing more than to gnaw the bark off the base of a young redwood. It’s called girdling, and it prevents nutrients ...

Giant Redwood trees can reach more than 80m (262ft ... main characteristics include being very robust. The non-resinous bark and elevated crowns mean they are also resistant to fire.