Your mother recalls planting this tree on her fifth birthday. Professor Leif Kullman’s Siberian husky, “Old Tjikko,” is 9,500 years old. Kullman discovered this Spruce flourishing happily in Sweden in 2004 and used carbon-14 dating to calculate the age of its root network.
This Norwegian Spruce (famous as a Christmas tree in Europe) is older than almost anything because of its root structure. The tree may lose its trunk (which lasts roughly 600 years) and then rebuild it from the root network in a process that no one has ever named “tree rebirth.” Tjikko, too, has profited from global warming: it was once an arctic shrub, but a century of warmer conditions has enabled it to blossom into a towering tree.
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