Arbor Day Date 2025. It originated in nebraska city, neb., in the united states in 1872. Day of trees is observed in colombia on april 29 every year, and colombians celebrate the holiday by planting trees.
However, states are free to choose their own commemorative dates considering the best environment for trees to prosper. Arbor day is observed in spring for the united states but globally dates vary depending on the region’s climate and.