The copper beech tree or purple beech tree is a really attractive tree with wonderful rich purple coloured leaves the beech tree is otherwise known as the mother of the woods in celtic lore young trees can arrive with green leaves that will change to purple the following season potentially a large tree it can grow to 120ft 36m it is too tall to be grown as a specimen tree in the average garden however it forms an excellent hedge as it can be clipped closely the leaves turn