National Arbor Day 2024 Date. Learn all about national arbor day history, as well as state arbor day 2024 celebrations. National arbor day is on april 26, 2024.

National arbor day is always celebrated on the last friday in april, but many states observe arbor day on different dates based on the best tree planting times for their area. Arbor day, much like earth day, is a holiday that celebrates nature.