Arbor Day 2025 Events. The 2025 arbor day celebration and tree planting event will be held outside in the morning on saturday, may 3, 2025. Arbor day is a holiday in which individuals and groups are encouraged to plant and care for trees.

Events for arbor day might include communal tree planting, education on how to plant a tree, exhibits, fairs, music, and open garden centers. Learn about arbor day and its founder, julius sterling morton, and find activities to do.