It bears noting that the best way to know the age of any tree is to count its annual growth rings. If a tree has been cut down this task is relatively easy. On living trees a core sample can be taken using a tool called an increment borer, and the rings can be counted in the wood collected in the sample. This is not so easy to do and involves drilling a hole into the living tree. A good starting point is to look at a certifiably old tree and study its characteristics.

Read More