When Is Arbor Day 2025 Dates. Check also the date of arbor day in 2025 and in the following years. National arbor day is always celebrated on the last friday in april, but many states observe arbor day on different dates throughout the year based on best tree planting times in their area.

How many weeks until arbor day 2025. Arbor day is a holiday originally created in the united states to celebrate and encourage arbor day tree planting.