Keep yourself updated regarding various trees in your locality; provide updates regarding facts/importance/condition of a tree using Tree11 iPhone application. Add information about an existing tree or add a new tree with its photograph to the database by using this application. Citizens can report issues on the status or condition of a tree for e.g., needs water, dead branch, was mulched etc. Interesting facts about trees e.g., medicinal uses, historical importance and other trivia can also be reported and viewed. Citizens can also subscribe to a tree by submitting their email address.