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Old Tjikko is one of the internet’s favorite trees. A Norway spruce growing near the treeline in Sweden, it is said to be the oldest tree in the world at 9,558 years. Over 26,000 web pages tell us about Old Tjikko, including the usually reliable National Geographic. As is common for such stories on the internet, […]
Everyone wants to know how old a particular tree might be. We will discuss this complicated and important subject in two stories. This month we will talk about unitary trees, and next month we will tackle the complex problem of aging clonal trees. A unitary tree is like a person – a single, integrated organism. Unitary […]