When Is Arbor Day 2024 Dates. 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. Statewide celebrations for arbor day this weekend.
Admission is free all day thanks to our presenting sponsor park national. Arbor day is celebrated on the last friday in april, although some states observe it on dates that better coincide with the local areaโs planting times.