National Arbor Day 2025. National arbor day always falls on the last friday in april, but many states observe arbor day on different dates throughout the year based on their best tree planting. 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 is observed in spring for the united states but globally dates vary depending on the region’s. Arbor day is a state holiday in nebraska that is observed on the last friday in april.
