Planning a local Arbor Day celebration? Contact your state or urban forester for assistance.

Arbor Day Dates

Learn when each state (and rest of the world) celebrates Arbor Day.

The History of Arbor Day

Read an illustrated account of how this holiday got its start.

Discover Ways to Celebrate

Make the most of Arbor Day in your family, school and community.

Find Celebration Materials

Enhance your Arbor Day celebration with tree seedlings, giveaway items, quotes, music and more.

Explore Educational Resources

Uncover a wealth of activities and information for educators.

Get Involved

Volunteer for a tree planting event—or plan one—with the help of our Volunteer Center.