Sky Tower Ginkgo TreeA Stunning Tree That's Nearly Indestructible Why Sky Tower Ginkgo Trees? The Ginkgo Tree is often called a living fossil, having been around for more than 200 million years. That's why it's one of the hardiest and most adaptable trees you can purchase. And the Sky Tower Ginkgo gives you all of these benefits in a compact, dense tree form with rich, unbelievable color. The Sky Tower is totally adaptable, thriving in any soil or environmental condition