How you find out the age of a tree?As the age of a man can be determined or assumed by grey hair and wrinkles in the face but what is the procedure to find out the age of a tree do you know? yes, there is a way to know the age of the tree too by counting the trunk rings of a tree helps you find out the age of a tree. What is the Scientific name is given for this I don't know? But, do you know this fact before. Knowledgeable members, please respond to the question.