Arbor Day Date 2024. Here is an arbor day calendar listing that tells you when arbor day is by state. The core purpose of arbor day is to raise awareness about the importance of trees in sustaining the environment, preventing erosion, providing oxygen, and supporting biodiversity.

By megan dukett | oct 9, 2024 | arbor week, updates attention young artists and tree lovers! National arbor day always falls on the last friday in april, but many states observe arbor day on different dates.