Robert Graves wrote about the Celtic peoples who created a tree alphabet based on their twelve sacred trees, while yews and oak groves were places of worship for the Druids and later the church.
For the Greeks, the goddess Daphne turned into the laurel, which was sacred to Apollo.
This tree represents the fate of the world and determines the welfare of the universe.
Some Californian trees have been alive since before the Pyramids were built, in Gethsemane are trees that witnessed the crucifixion and in Sri Lanka trees that were alive in the time of the Buddha.
Sacred groves of ash and oak trees existed at sites like the holy place to the healing god Aesculapius at Epidaurus and to Athena on the Acropolis in her city of Athens.
Branches arch out into the sky and gigantic roots dig deeply into the ground, as trees symbolize the integration of heaven and earth, above and below.
Legends of a “World Tree” abound in almost all early cultures, such as the Tree of Good and Evil and the Tree of Life in the Garden of Eden, the Tree of Life of the Hebrew mystical Kabbalah, the sacred oak groves of the Druids and the apple trees sacred to Venus in the Garden of the Hesperides.
The Yggdrasil world ash tree in Norse myth rises up from the centre of the earth, its branches forming the heavens of the gods and its roots striking down into hell where a serpent is entwined at the world's dark core.