Last weekend I cleaned out my gutters and found this tree cookie on my roof. I think the arborists left it there. I scooped it off the roof and took a closer look. I counted about 45 rings in this branch. So that means that in about 1970 this branch was just a little twig. Can you see the inner brown circle, the middle light brown circle and the outer beige circle? I moved in to this property at the edge of the middle circle and the outer circle. This oak tree cookie has a lot of history in it. Healthy oak tree years have wider bands. Years where the oak was stressed has thinner bands. If I knew more about trees I would be able to read this tree cookie like an autobiography.
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