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Geneva official chestnut tree

Genève, Italy

Geneva official chestnut tree

The Geneva official chestnut tree is a horse chestnut tree planted in Geneva, Switzerland. Every year, the tree is observed by the secretary of the Grand Council of Geneva (the local parliament), and the opening of the first leaf is recorded and announced publicly as indicating the beginning of the

spring. The series of records started in 1818; it forms the oldest set of records of phenological events in Switzerland and is one of the living traditions in Switzerland. In 2023, the first leaf was observed on 3 March, slightly earlier than the observations made in recent years (in 2022, it was observed on 10 March)

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