Certified White
Jan/100
How do you estimate the age of a tree without damaging it (cutting or plugging)?
We have an old tree in our front yard that i think is >250 years old. It is looking ill and showing signs of sickness. We want to call a tree surgeon, but I know it will cost a lot more $$ than we have. One of our only hopes is to have the tree certified as a "Champion" and the county will take care of the upkeep. One of the qualifying conditions to certify a Champion is age. We'd like to know if we could estimate age without hurting "her". It's a female white oak.
hi first thing white oaks are male and female its called monoecious
to estimate a tree s age without taking a core sample which would have only been 3/16 '' dia hole to the centre of trunk..
here is a way measure circumference of tree at around 4 to 5 feet up take the figure measured divide by 3.1416 to get diameter then look up chart in link provided dia figure to white oak on far right hand side will give age of tree.
this estimation of tree age is 90% accurate in Forrest trees.
another problem in urban area like your front yard not good outcome as to changes in land can shorten life of tree. its said that feeding roots can extend three times the distance of the branches of the tree.
which would explain decline in your old tree.
it also explains that in your yard as different more light your tree could be younger than estimate on chart would indicate as is for trees growing in a forrest.
http://treetalk.mortonarb.org/areas-of-interest/do-you-know/how-to-tell-a-trees-age/556/
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