A Guide to Magical Trees
Apple Tree: The spirit of this tree holds the knowledge of eternal youth and beauty. It will keep you young and good looking.
Cedar Tree: The tree brings protection and healing. It also brings calm and balance to emotions and can make your dreams more vivid and more interesting.
Cherry Tree: The cherry tree brings new awakening and wisdom. It is associated with the phoenix and rebirth.
Oak Tree: The Oak is a very powerful tree and it gives great strength and endurance. It is a tree of ancient knowledge and is a doorway to the fairy world. According to legend, every acorn has its own fairy and bringing acorns into your home invites fairy into your life. I'm assuming our house has many fairies because my sons fill their pockets with acorns all the time.
Pine Tree: This tree is associated with water spirits and the ability to adapt to life.
Birch Tree: Beginning, Youth, and Renewal
Ivy: (I know this isn't a tree) Determination
I got this list from several sources, but a fun online source you can look at to see all the plant's symbolic meanings and to learn a little more about the Celtic philosophy and how their writing system related to plants and the spirits of nature you can go to: http://www.whats-your-sign.com/celtic-meaning-of-symbolic-trees.html . Happy planting!