What is the wicca tree?

There is no single specific Wicca or Wiccan tree. Individual Witches or Wiccan groups may use certain images and symbols, such as the Celtic World Tree, or the Kabala Tree of Life. Earth witches often work with specific trees, using bark, sap, leaves, seeds or wood from different trees for various spells, charms and other purposes. But there is no "Wicca Tree" as such.