Arbor Day Across America and Around the World
Arbor Day is The Morton Arboretum's signature holiday. In Illinois, the last Friday of April is Arbor Day, a special day set aside to plant, care for, and honor trees. Arbor Day is celebrated around the world on a variety of dates based on times of year most conducive for planting. learn more
Arbor Day
In Illinois, Arbor Day is on Friday, April 26, 2019.
Arbor Day Celebration 2019 at The Morton Arboretum
As the champion of trees, we have an exciting lineup of events to celebrate trees and their importance to our world! Save the dates, Friday, April 26 through Sunday, April 28 for the Arbor Day Plant Sale open to Members on Friday and Saturday and to the public on Sunday. Celebrate tree in the Children's Garden with family activities. LEARN MORE
Arbor Day in Your Community
Find ways we can help you celebrating Arbor Day in your community, including educational tree tag kits. LEARN MORE
Arbor Day History
The Morton Arboretum has a special connection to Arbor Day because the day was proposed in 1872 by J. Sterling Morton, the father of the Arboretum's founder, Joy Morton. LEARN MORE
Arbor Day in the Classroom
We help teachers, students, scout troops, community groups, and municipalities celebrate Arbor Day in the classroom in April or any time with tree tagging kits for discovering the value of trees, Tree Census lesson plans, and other support. LEARN MORE
Tree Champion Activity Sheet
Help us draw attention to trees. Download, 
Tree Champion Activity Sheet (PDF)
Be a Tree Champion with Us
Trees need champions today. That's why The Morton Arboretum is committed to scientifically informed action, both locally and globally. Join us as a champion of trees. We can show you how! LEARN MORE