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The 2024 Cherry Blossom Prediction Competition poster

Submit your predictions for cherry bloom time in 5 cities: Washington, D.C. and New York City (USA), Kyoto (Japan), Liestal-Weideli (Switzerland), and Vancouver BC. This is the first year NYC is participating and the candidate Yoshino Cherry tree is in Washington Square Park!

The International Cherry Blossom Prediction Competition provides the data (and a pot of up to $5K in cash and prizes for the winner). Your predictions are due February 29th at midnight anywhere in the world. Good luck—you are smarter than a groundhog!