Long thought extinct, the wollemi pine was discovered in 1994 in a remote section of Australia. With only a small grove in existence, a plan was developed to save the tree from extinction by propagating it and selling its offspring. Trials in the U.S. have placed the wollemi pine in Zones 7 to 11. Grow it in full sun. Because this tree has been around since the time of the dinosaurs, it's safe to say it is long-lived. And apparently brontosaurus browsing isn't a problem.