National Arbor Day 2024 Activities. 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. If you’re an educator looking to bring trees into the classroom, you’re in the right.

More than 800 trees will be given away for free during this year’s new braunfels community arbor day celebration! The 2024 event, happening on the heels of national arbor day and.