Arbor Day Holiday 2024 Schedule. Confirm the tree order and delivery schedule with nursery. Stay up to date with arbor day 2024 events and grant funding opportunities by following the kaulunani instagram page or the arbor day hawaiʻi facebook page.

The commonwealth of the northern marianna islands (cnmi) celebrates arbor day on october 1 every year. 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.